Java tutorial
/* * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package io.prestosql.tests; import com.google.common.collect.ArrayListMultimap; import com.google.common.collect.ImmutableList; import com.google.common.collect.ImmutableMap; import com.google.common.collect.ImmutableMultimap; import com.google.common.collect.ImmutableSet; import com.google.common.collect.Maps; import com.google.common.collect.Multimap; import com.google.common.collect.Multimaps; import com.google.common.collect.Ordering; import io.airlift.tpch.TpchTable; import io.prestosql.Session; import io.prestosql.SystemSessionProperties; import io.prestosql.metadata.FunctionListBuilder; import io.prestosql.metadata.SqlFunction; import io.prestosql.spi.session.PropertyMetadata; import io.prestosql.spi.type.Decimals; import io.prestosql.spi.type.SqlTimestampWithTimeZone; import io.prestosql.spi.type.VarcharType; import io.prestosql.sql.analyzer.FeaturesConfig.JoinDistributionType; import io.prestosql.sql.analyzer.FeaturesConfig.JoinReorderingStrategy; import io.prestosql.sql.analyzer.SemanticException; import io.prestosql.testing.MaterializedResult; import io.prestosql.testing.MaterializedRow; import io.prestosql.type.SqlIntervalDayTime; import io.prestosql.type.SqlIntervalYearMonth; import org.apache.commons.math3.stat.descriptive.DescriptiveStatistics; import org.intellij.lang.annotations.Language; import org.testng.annotations.DataProvider; import org.testng.annotations.Test; import java.math.BigDecimal; import java.time.ZonedDateTime; import java.time.format.DateTimeFormatter; import java.util.HashSet; import java.util.List; import java.util.Optional; import java.util.Set; import java.util.stream.IntStream; import static com.google.common.collect.Iterables.getOnlyElement; import static com.google.common.collect.Iterables.transform; import static io.prestosql.SystemSessionProperties.DISTRIBUTED_SORT; import static io.prestosql.SystemSessionProperties.JOIN_DISTRIBUTION_TYPE; import static io.prestosql.SystemSessionProperties.JOIN_REORDERING_STRATEGY; import static io.prestosql.connector.informationSchema.InformationSchemaMetadata.INFORMATION_SCHEMA; import static io.prestosql.operator.scalar.ApplyFunction.APPLY_FUNCTION; import static io.prestosql.operator.scalar.InvokeFunction.INVOKE_FUNCTION; import static io.prestosql.spi.type.BigintType.BIGINT; import static io.prestosql.spi.type.BooleanType.BOOLEAN; import static io.prestosql.spi.type.DecimalType.createDecimalType; import static io.prestosql.spi.type.DoubleType.DOUBLE; import static io.prestosql.spi.type.IntegerType.INTEGER; import static io.prestosql.spi.type.VarcharType.VARCHAR; import static io.prestosql.spi.type.VarcharType.createVarcharType; import static io.prestosql.sql.analyzer.SemanticErrorCode.INVALID_PARAMETER_USAGE; import static io.prestosql.sql.analyzer.SemanticErrorCode.MUST_BE_AGGREGATE_OR_GROUP_BY; import static io.prestosql.sql.tree.ExplainType.Type.DISTRIBUTED; import static io.prestosql.sql.tree.ExplainType.Type.IO; import static io.prestosql.sql.tree.ExplainType.Type.LOGICAL; import static io.prestosql.testing.MaterializedResult.resultBuilder; import static io.prestosql.testing.TestingAccessControlManager.TestingPrivilegeType.CREATE_TABLE; import static io.prestosql.testing.TestingAccessControlManager.TestingPrivilegeType.DELETE_TABLE; import static io.prestosql.testing.TestingAccessControlManager.TestingPrivilegeType.INSERT_TABLE; import static io.prestosql.testing.TestingAccessControlManager.TestingPrivilegeType.SELECT_COLUMN; import static io.prestosql.testing.TestingAccessControlManager.privilege; import static io.prestosql.testing.TestingSession.TESTING_CATALOG; import static io.prestosql.testing.TestngUtils.toDataProvider; import static io.prestosql.testing.assertions.Assert.assertEquals; import static io.prestosql.tests.QueryAssertions.assertContains; import static io.prestosql.tests.QueryAssertions.assertEqualsIgnoreOrder; import static io.prestosql.tests.QueryTemplate.parameter; import static io.prestosql.tests.QueryTemplate.queryTemplate; import static io.prestosql.tests.StatefulSleepingSum.STATEFUL_SLEEPING_SUM; import static io.prestosql.tests.StructuralTestUtil.mapType; import static io.prestosql.type.UnknownType.UNKNOWN; import static java.lang.String.format; import static java.util.stream.Collectors.joining; import static java.util.stream.Collectors.toList; import static java.util.stream.IntStream.range; import static org.assertj.core.api.Assertions.assertThat; import static org.testng.Assert.assertFalse; import static org.testng.Assert.assertNotEquals; import static org.testng.Assert.assertTrue; import static org.testng.Assert.fail; public abstract class AbstractTestQueries extends AbstractTestQueryFramework { // We can just use the default type registry, since we don't use any parametric types protected static final List<SqlFunction> CUSTOM_FUNCTIONS = new FunctionListBuilder() .aggregates(CustomSum.class).window(CustomRank.class).scalars(CustomAdd.class).scalars(CreateHll.class) .functions(APPLY_FUNCTION, INVOKE_FUNCTION, STATEFUL_SLEEPING_SUM).getFunctions(); public static final List<PropertyMetadata<?>> TEST_SYSTEM_PROPERTIES = ImmutableList.of( PropertyMetadata.stringProperty("test_string", "test string property", "test default", false), PropertyMetadata.longProperty("test_long", "test long property", 42L, false)); public static final List<PropertyMetadata<?>> TEST_CATALOG_PROPERTIES = ImmutableList.of( PropertyMetadata.stringProperty("connector_string", "connector string property", "connector default", false), PropertyMetadata.longProperty("connector_long", "connector long property", 33L, false), PropertyMetadata.booleanProperty("connector_boolean", "connector boolean property", true, false), PropertyMetadata.doubleProperty("connector_double", "connector double property", 99.0, false)); private static final DateTimeFormatter ZONED_DATE_TIME_FORMAT = DateTimeFormatter .ofPattern(SqlTimestampWithTimeZone.JSON_FORMAT); private static final String UNSUPPORTED_CORRELATED_SUBQUERY_ERROR_MSG = "line .*: Given correlated subquery is not supported"; protected AbstractTestQueries(QueryRunnerSupplier supplier) { super(supplier); } @Test public void testParsingError() { assertQueryFails("SELECT foo FROM", "line 1:16: mismatched input '<EOF>'. Expecting: .*"); } @Test public void selectLargeInterval() { MaterializedResult result = computeActual("SELECT INTERVAL '30' DAY"); assertEquals(result.getRowCount(), 1); assertEquals(result.getMaterializedRows().get(0).getField(0), new SqlIntervalDayTime(30, 0, 0, 0, 0)); result = computeActual("SELECT INTERVAL '" + Short.MAX_VALUE + "' YEAR"); assertEquals(result.getRowCount(), 1); assertEquals(result.getMaterializedRows().get(0).getField(0), new SqlIntervalYearMonth(Short.MAX_VALUE, 0)); } @Test public void selectNull() { assertQuery("SELECT NULL"); } @Test public void testAggregationOverUnknown() { assertQuery("SELECT clerk, min(totalprice), max(totalprice), min(nullvalue), max(nullvalue) " + "FROM (SELECT clerk, totalprice, null AS nullvalue FROM orders) " + "GROUP BY clerk"); } @Test public void testLimitIntMax() { assertQuery("SELECT orderkey FROM orders LIMIT " + Integer.MAX_VALUE); assertQuery("SELECT orderkey FROM orders ORDER BY orderkey LIMIT " + Integer.MAX_VALUE); } @Test public void testNonDeterministic() { MaterializedResult materializedResult = computeActual("SELECT rand() FROM orders LIMIT 10"); long distinctCount = materializedResult.getMaterializedRows().stream().map(row -> row.getField(0)) .distinct().count(); assertTrue(distinctCount >= 8, "rand() must produce different rows"); materializedResult = computeActual("SELECT apply(1, x -> x + rand()) FROM orders LIMIT 10"); distinctCount = materializedResult.getMaterializedRows().stream().map(row -> row.getField(0)).distinct() .count(); assertTrue(distinctCount >= 8, "rand() must produce different rows"); } @Test public void testLambdaCapture() { // Test for lambda expression without capture can be found in TestLambdaExpression assertQuery("SELECT apply(0, x -> x + c1) FROM (VALUES 1) t(c1)", "VALUES 1"); assertQuery("SELECT apply(0, x -> x + t.c1) FROM (VALUES 1) t(c1)", "VALUES 1"); assertQuery("SELECT apply(c1, x -> x + c2) FROM (VALUES (1, 2), (3, 4), (5, 6)) t(c1, c2)", "VALUES 3, 7, 11"); assertQuery("SELECT apply(c1 + 10, x -> apply(x + 100, y -> c1)) FROM (VALUES 1) t(c1)", "VALUES 1"); assertQuery("SELECT apply(c1 + 10, x -> apply(x + 100, y -> t.c1)) FROM (VALUES 1) t(c1)", "VALUES 1"); assertQuery("SELECT apply(CAST(ROW(10) AS ROW(x INTEGER)), r -> r.x)", "VALUES 10"); assertQuery("SELECT apply(CAST(ROW(10) AS ROW(x INTEGER)), r -> r.x) FROM (VALUES 1) u(x)", "VALUES 10"); assertQuery("SELECT apply(CAST(ROW(10) AS ROW(x INTEGER)), r -> r.x) FROM (VALUES 1) r(x)", "VALUES 10"); assertQuery( "SELECT apply(CAST(ROW(10) AS ROW(x INTEGER)), r -> apply(3, y -> y + r.x)) FROM (VALUES 1) u(x)", "VALUES 13"); assertQuery( "SELECT apply(CAST(ROW(10) AS ROW(x INTEGER)), r -> apply(3, y -> y + r.x)) FROM (VALUES 1) r(x)", "VALUES 13"); assertQuery( "SELECT apply(CAST(ROW(10) AS ROW(x INTEGER)), r -> apply(3, y -> y + r.x)) FROM (VALUES 'a') r(x)", "VALUES 13"); assertQuery( "SELECT apply(CAST(ROW(10) AS ROW(x INTEGER)), z -> apply(3, y -> y + r.x)) FROM (VALUES 1) r(x)", "VALUES 4"); // reference lambda variable of the not-immediately-enclosing lambda assertQuery("SELECT apply(1, x -> apply(10, y -> x)) FROM (VALUES 1000) t(x)", "VALUES 1"); assertQuery("SELECT apply(1, x -> apply(10, y -> x)) FROM (VALUES 'abc') t(x)", "VALUES 1"); assertQuery("SELECT apply(1, x -> apply(10, y -> apply(100, z -> x))) FROM (VALUES 1000) t(x)", "VALUES 1"); assertQuery("SELECT apply(1, x -> apply(10, y -> apply(100, z -> x))) FROM (VALUES 'abc') t(x)", "VALUES 1"); // in join post-filter assertQuery( "SELECT * FROM (VALUES true) t(x) left JOIN (VALUES 1001) t2(y) ON (apply(false, z -> apply(false, y -> x)))", "SELECT true, 1001"); } @Test public void testLambdaInAggregationContext() { assertQuery("SELECT apply(sum(x), i -> i * i) FROM (VALUES 1, 2, 3, 4, 5) t(x)", "SELECT 225"); assertQuery("SELECT apply(x, i -> i - 1), sum(y) FROM (VALUES (1, 10), (1, 20), (2, 50)) t(x,y) GROUP BY x", "VALUES (0, 30), (1, 50)"); assertQuery( "SELECT x, apply(sum(y), i -> i * 10) FROM (VALUES (1, 10), (1, 20), (2, 50)) t(x,y) GROUP BY x", "VALUES (1, 300), (2, 500)"); assertQuery("SELECT apply(8, x -> x + 1) FROM (VALUES (1, 2)) t(x,y) GROUP BY y", "SELECT 9"); assertQuery( "SELECT apply(CAST(ROW(1) AS ROW(someField BIGINT)), x -> x.someField) FROM (VALUES (1,2)) t(x,y) GROUP BY y", "SELECT 1"); assertQuery("SELECT apply(sum(x), x -> x * x) FROM (VALUES 1, 2, 3, 4, 5) t(x)", "SELECT 225"); // nested lambda expression uses the same variable name assertQuery("SELECT apply(sum(x), x -> apply(x, x -> x * x)) FROM (VALUES 1, 2, 3, 4, 5) t(x)", "SELECT 225"); } @Test public void testLambdaInSubqueryContext() { assertQuery("SELECT apply(x, i -> i * i) FROM (SELECT 10 x)", "SELECT 100"); assertQuery("SELECT apply((SELECT 10), i -> i * i)", "SELECT 100"); // with capture assertQuery("SELECT apply(x, i -> i * x) FROM (SELECT 10 x)", "SELECT 100"); assertQuery("SELECT apply(x, y -> y * x) FROM (SELECT 10 x, 3 y)", "SELECT 100"); assertQuery("SELECT apply(x, z -> y * x) FROM (SELECT 10 x, 3 y)", "SELECT 30"); } @Test public void testLambdaInValuesAndUnnest() { assertQuery("SELECT * FROM UNNEST(transform(sequence(1, 5), x -> x * x))", "SELECT * FROM (VALUES 1, 4, 9, 16, 25)"); assertQuery("SELECT x[5] FROM (VALUES transform(sequence(1, 5), x -> x * x)) t(x)", "SELECT 25"); } @Test public void testTryLambdaRepeated() { assertQuery("SELECT x + x FROM (SELECT apply(a, i -> i * i) x FROM (VALUES 3) t(a))", "SELECT 18"); assertQuery("SELECT apply(a, i -> i * i) + apply(a, i -> i * i) FROM (VALUES 3) t(a)", "SELECT 18"); assertQuery("SELECT apply(a, i -> i * i), apply(a, i -> i * i) FROM (VALUES 3) t(a)", "SELECT 9, 9"); assertQuery("SELECT try(10 / a) + try(10 / a) FROM (VALUES 5) t(a)", "SELECT 4"); assertQuery("SELECT try(10 / a), try(10 / a) FROM (VALUES 5) t(a)", "SELECT 2, 2"); } @Test public void testNonDeterministicFilter() { MaterializedResult materializedResult = computeActual( "SELECT u FROM ( SELECT if(rand() > 0.5, 0, 1) AS u ) WHERE u <> u"); assertEquals(materializedResult.getRowCount(), 0); materializedResult = computeActual( "SELECT u, v FROM ( SELECT if(rand() > 0.5, 0, 1) AS u, 4*4 AS v ) WHERE u <> u and v > 10"); assertEquals(materializedResult.getRowCount(), 0); materializedResult = computeActual( "SELECT u, v, w FROM ( SELECT if(rand() > 0.5, 0, 1) AS u, 4*4 AS v, 'abc' AS w ) WHERE v > 10"); assertEquals(materializedResult.getRowCount(), 1); } @Test public void testNonDeterministicProjection() { MaterializedResult materializedResult = computeActual( "SELECT r, r + 1 FROM (SELECT rand(100) r FROM orders) LIMIT 10"); assertEquals(materializedResult.getRowCount(), 10); for (MaterializedRow materializedRow : materializedResult) { assertEquals(materializedRow.getFieldCount(), 2); assertEquals(((Number) materializedRow.getField(0)).intValue() + 1, materializedRow.getField(1)); } } @Test public void testMapSubscript() { assertQuery("SELECT map(array[1], array['aa'])[1]", "SELECT 'aa'"); assertQuery("SELECT map(array['a'], array['aa'])['a']", "SELECT 'aa'"); assertQuery("SELECT map(array[array[1,1]], array['a'])[array[1,1]]", "SELECT 'a'"); assertQuery("SELECT map(array[(1,2)], array['a'])[(1,2)]", "SELECT 'a'"); } @Test public void testVarbinary() { assertQuery("SELECT LENGTH(x) FROM (SELECT from_base64('gw==') AS x)", "SELECT 1"); assertQuery("SELECT LENGTH(from_base64('gw=='))", "SELECT 1"); } @Test public void testRowFieldAccessor() { //Dereference only assertQuery("SELECT a.col0 FROM (VALUES ROW (CAST(ROW(1, 2) AS ROW(col0 integer, col1 integer)))) AS t (a)", "SELECT 1"); assertQuery( "SELECT a.col0 FROM (VALUES ROW (CAST(ROW(1.0E0, 2.0E0) AS ROW(col0 integer, col1 integer)))) AS t (a)", "SELECT 1.0"); assertQuery( "SELECT a.col0 FROM (VALUES ROW (CAST(ROW(TRUE, FALSE) AS ROW(col0 boolean, col1 boolean)))) AS t (a)", "SELECT TRUE"); assertQuery( "SELECT a.col1 FROM (VALUES ROW (CAST(ROW(1.0, 'kittens') AS ROW(col0 varchar, col1 varchar)))) AS t (a)", "SELECT 'kittens'"); assertQuery( "SELECT a.col2.col1 FROM (VALUES ROW(CAST(ROW(1.0, ARRAY[2], row(3, 4.0)) AS ROW(col0 double, col1 array(int), col2 row(col0 integer, col1 double))))) t(a)", "SELECT 4.0"); // mixture of row field reference and table field reference assertQuery("SELECT CAST(row(1, t.x) AS row(col0 bigint, col1 bigint)).col1 FROM (VALUES 1, 2, 3) t(x)", "SELECT * FROM (VALUES 1, 2, 3)"); assertQuery( "SELECT Y.col1 FROM (SELECT CAST(row(1, t.x) AS row(col0 bigint, col1 bigint)) AS Y FROM (VALUES 1, 2, 3) t(x)) test_t", "SELECT * FROM (VALUES 1, 2, 3)"); // Subscript + Dereference assertQuery( "SELECT a.col1[2] FROM (VALUES ROW(CAST(ROW(1.0, ARRAY[22, 33, 44, 55], row(3, 4.0E0)) AS ROW(col0 double, col1 array(integer), col2 row(col0 integer, col1 double))))) t(a)", "SELECT 33"); assertQuery( "SELECT a.col1[2].col0, a.col1[2].col1 FROM (VALUES ROW(cast(row(1.0, ARRAY[row(31, 4.1E0), row(32, 4.2E0)], row(3, 4.0E0)) AS ROW(col0 double, col1 array(row(col0 integer, col1 double)), col2 row(col0 integer, col1 double))))) t(a)", "SELECT 32, 4.2"); assertQuery("SELECT CAST(row(11, 12) AS row(col0 bigint, col1 bigint)).col0", "SELECT 11"); } @Test public void testRowFieldAccessorInAggregate() { assertQuery("SELECT a.col0, SUM(a.col1[2]), SUM(a.col2.col0), SUM(a.col2.col1) FROM " + "(VALUES " + "ROW(CAST(ROW(1.0, ARRAY[2, 13, 4], row(11, 4.1E0)) AS ROW(col0 double, col1 array(integer), col2 row(col0 integer, col1 double)))), " + "ROW(CAST(ROW(2.0, ARRAY[2, 23, 4], row(12, 14.0E0)) AS ROW(col0 double, col1 array(integer), col2 row(col0 integer, col1 double)))), " + "ROW(CAST(ROW(1.0, ARRAY[22, 33, 44], row(13, 5.0E0)) AS ROW(col0 double, col1 array(integer), col2 row(col0 integer, col1 double))))) t(a) " + "GROUP BY a.col0", "SELECT * FROM VALUES (1.0, 46, 24, 9.1), (2.0, 23, 12, 14.0)"); assertQuery("SELECT a.col2.col0, SUM(a.col0), SUM(a.col1[2]), SUM(a.col2.col1) FROM " + "(VALUES " + "ROW(CAST(ROW(1.0, ARRAY[2, 13, 4], row(11, 4.1E0)) AS ROW(col0 double, col1 array(integer), col2 row(col0 integer, col1 double)))), " + "ROW(CAST(ROW(2.0, ARRAY[2, 23, 4], row(11, 14.0E0)) AS ROW(col0 double, col1 array(integer), col2 row(col0 integer, col1 double)))), " + "ROW(CAST(ROW(7.0, ARRAY[22, 33, 44], row(13, 5.0E0)) AS ROW(col0 double, col1 array(integer), col2 row(col0 integer, col1 double))))) t(a) " + "GROUP BY a.col2.col0", "SELECT * FROM VALUES (11, 3.0, 36, 18.1), (13, 7.0, 33, 5.0)"); assertQuery( "SELECT a.col1[1].col0, SUM(a.col0), SUM(a.col1[1].col1), SUM(a.col1[2].col0), SUM(a.col2.col1) FROM " + "(VALUES " + "ROW(CAST(ROW(1.0, ARRAY[row(31, 4.5E0), row(12, 4.2E0)], row(3, 4.0E0)) AS ROW(col0 double, col1 array(row(col0 integer, col1 double)), col2 row(col0 integer, col1 double)))), " + "ROW(CAST(ROW(3.1, ARRAY[row(41, 3.1E0), row(32, 4.2E0)], row(6, 6.0E0)) AS ROW(col0 double, col1 array(row(col0 integer, col1 double)), col2 row(col0 integer, col1 double)))), " + "ROW(CAST(ROW(2.2, ARRAY[row(31, 4.2E0), row(22, 4.2E0)], row(5, 4.0E0)) AS ROW(col0 double, col1 array(row(col0 integer, col1 double)), col2 row(col0 integer, col1 double))))) t(a) " + "GROUP BY a.col1[1].col0", "SELECT * FROM VALUES (31, 3.2, 8.7, 34, 8.0), (41, 3.1, 3.1, 32, 6.0)"); assertQuery( "SELECT a.col1[1].col0, SUM(a.col0), SUM(a.col1[1].col1), SUM(a.col1[2].col0), SUM(a.col2.col1) FROM " + "(VALUES " + "ROW(CAST(ROW(2.2, ARRAY[row(31, 4.2E0), row(22, 4.2E0)], row(5, 4.0E0)) AS ROW(col0 double, col1 array(row(col0 integer, col1 double)), col2 row(col0 integer, col1 double)))), " + "ROW(CAST(ROW(1.0, ARRAY[row(31, 4.5E0), row(12, 4.2E0)], row(3, 4.1E0)) AS ROW(col0 double, col1 array(row(col0 integer, col1 double)), col2 row(col0 integer, col1 double)))), " + "ROW(CAST(ROW(3.1, ARRAY[row(41, 3.1E0), row(32, 4.2E0)], row(6, 6.0E0)) AS ROW(col0 double, col1 array(row(col0 integer, col1 double)), col2 row(col0 integer, col1 double)))), " + "ROW(CAST(ROW(3.3, ARRAY[row(41, 3.1E0), row(32, 4.2E0)], row(6, 6.0E0)) AS ROW(col0 double, col1 array(row(col0 integer, col1 double)), col2 row(col0 integer, col1 double)))) " + ") t(a) " + "GROUP BY a.col1[1]", "SELECT * FROM VALUES (31, 2.2, 4.2, 22, 4.0), (31, 1.0, 4.5, 12, 4.1), (41, 6.4, 6.2, 64, 12.0)"); assertQuery("SELECT a.col1[2], SUM(a.col0), SUM(a.col1[1]), SUM(a.col2.col1) FROM " + "(VALUES " + "ROW(CAST(ROW(1.0, ARRAY[2, 13, 4], row(11, 4.1E0)) AS ROW(col0 double, col1 array(integer), col2 row(col0 integer, col1 double)))), " + "ROW(CAST(ROW(2.0, ARRAY[2, 13, 4], row(12, 14.0E0)) AS ROW(col0 double, col1 array(integer), col2 row(col0 integer, col1 double)))), " + "ROW(CAST(ROW(7.0, ARRAY[22, 33, 44], row(13, 5.0E0)) AS ROW(col0 double, col1 array(integer), col2 row(col0 integer, col1 double))))) t(a) " + "GROUP BY a.col1[2]", "SELECT * FROM VALUES (13, 3.0, 4, 18.1), (33, 7.0, 22, 5.0)"); assertQuery("SELECT a.col2.col0, SUM(a.col2.col1) FROM " + "(VALUES " + "ROW(CAST(ROW(2.2, ARRAY[row(31, 4.2E0), row(22, 4.2E0)], row(5, 4.0E0)) AS ROW(col0 double, col1 array(row(col0 integer, col1 double)), col2 row(col0 integer, col1 double)))), " + "ROW(CAST(ROW(1.0, ARRAY[row(31, 4.5E0), row(12, 4.2E0)], row(3, 4.1E0)) AS ROW(col0 double, col1 array(row(col0 integer, col1 double)), col2 row(col0 integer, col1 double)))), " + "ROW(CAST(ROW(3.1, ARRAY[row(41, 3.1E0), row(32, 4.2E0)], row(6, 6.0E0)) AS ROW(col0 double, col1 array(row(col0 integer, col1 double)), col2 row(col0 integer, col1 double)))), " + "ROW(CAST(ROW(3.3, ARRAY[row(41, 3.1E0), row(32, 4.2E0)], row(6, 6.0E0)) AS ROW(col0 double, col1 array(row(col0 integer, col1 double)), col2 row(col0 integer, col1 double)))) " + ") t(a) " + "GROUP BY a.col2", "SELECT * FROM VALUES (5, 4.0), (3, 4.1), (6, 12.0)"); assertQuery("SELECT a.col2.col0, a.col0, SUM(a.col2.col1) FROM " + "(VALUES " + "ROW(CAST(ROW(1.0, ARRAY[2, 13, 4], row(11, 4.1E0)) AS ROW(col0 double, col1 array(integer), col2 row(col0 integer, col1 double)))), " + "ROW(CAST(ROW(2.0, ARRAY[2, 23, 4], row(11, 14.0E0)) AS ROW(col0 double, col1 array(integer), col2 row(col0 integer, col1 double)))), " + "ROW(CAST(ROW(1.5, ARRAY[2, 13, 4], row(11, 4.1E0)) AS ROW(col0 double, col1 array(integer), col2 row(col0 integer, col1 double)))), " + "ROW(CAST(ROW(1.5, ARRAY[2, 13, 4], row(11, 4.1E0)) AS ROW(col0 double, col1 array(integer), col2 row(col0 integer, col1 double)))), " + "ROW(CAST(ROW(7.0, ARRAY[22, 33, 44], row(13, 5.0E0)) AS ROW(col0 double, col1 array(integer), col2 row(col0 integer, col1 double))))) t(a) " + "WHERE a.col1[2] < 30 " + "GROUP BY 1, 2 ORDER BY 1", "SELECT * FROM VALUES (11, 1.0, 4.1), (11, 1.5, 8.2), (11, 2.0, 14.0)"); assertQuery("SELECT a[1].col0, COUNT(1) FROM " + "(VALUES " + "(ROW(CAST(ARRAY[row(31, 4.2E0), row(22, 4.2E0)] AS ARRAY(ROW(col0 integer, col1 double))))), " + "(ROW(CAST(ARRAY[row(31, 4.5E0), row(12, 4.2E0)] AS ARRAY(ROW(col0 integer, col1 double))))), " + "(ROW(CAST(ARRAY[row(41, 3.1E0), row(32, 4.2E0)] AS ARRAY(ROW(col0 integer, col1 double))))), " + "(ROW(CAST(ARRAY[row(31, 3.1E0), row(32, 4.2E0)] AS ARRAY(ROW(col0 integer, col1 double))))) " + ") t(a) " + "GROUP BY 1 " + "ORDER BY 2 DESC", "SELECT * FROM VALUES (31, 3), (41, 1)"); } @Test public void testRowFieldAccessorInWindowFunction() { assertQuery("SELECT a.col0, " + "SUM(a.col1[1].col1) OVER(PARTITION BY a.col2.col0), " + "SUM(a.col2.col1) OVER(PARTITION BY a.col2.col0) FROM " + "(VALUES " + "ROW(CAST(ROW(1.0, ARRAY[row(31, 14.5E0), row(12, 4.2E0)], row(3, 4.0E0)) AS ROW(col0 double, col1 array(ROW(col0 integer, col1 double)), col2 row(col0 integer, col1 double)))), " + "ROW(CAST(ROW(2.2, ARRAY[row(41, 13.1E0), row(32, 4.2E0)], row(6, 6.0E0)) AS ROW(col0 double, col1 array(ROW(col0 integer, col1 double)), col2 row(col0 integer, col1 double)))), " + "ROW(CAST(ROW(2.2, ARRAY[row(41, 17.1E0), row(45, 4.2E0)], row(7, 16.0E0)) AS ROW(col0 double, col1 array(ROW(col0 integer, col1 double)), col2 row(col0 integer, col1 double)))), " + "ROW(CAST(ROW(2.2, ARRAY[row(41, 13.1E0), row(32, 4.2E0)], row(6, 6.0E0)) AS ROW(col0 double, col1 array(ROW(col0 integer, col1 double)), col2 row(col0 integer, col1 double)))), " + "ROW(CAST(ROW(3.1, ARRAY[row(41, 13.1E0), row(32, 4.2E0)], row(6, 6.0E0)) AS ROW(col0 double, col1 array(ROW(col0 integer, col1 double)), col2 row(col0 integer, col1 double))))) t(a) ", "SELECT * FROM VALUES (1.0, 14.5, 4.0), (2.2, 39.3, 18.0), (2.2, 39.3, 18.0), (2.2, 17.1, 16.0), (3.1, 39.3, 18.0)"); assertQuery("SELECT a.col1[1].col0, " + "SUM(a.col0) OVER(PARTITION BY a.col1[1].col0), " + "SUM(a.col1[1].col1) OVER(PARTITION BY a.col1[1].col0), " + "SUM(a.col2.col1) OVER(PARTITION BY a.col1[1].col0) FROM " + "(VALUES " + "ROW(CAST(ROW(1.0, ARRAY[row(31, 14.5E0), row(12, 4.2E0)], row(3, 4.0E0)) AS ROW(col0 double, col1 array(row(col0 integer, col1 double)), col2 row(col0 integer, col1 double)))), " + "ROW(CAST(ROW(3.1, ARRAY[row(41, 13.1E0), row(32, 4.2E0)], row(6, 6.0E0)) AS ROW(col0 double, col1 array(row(col0 integer, col1 double)), col2 row(col0 integer, col1 double)))), " + "ROW(CAST(ROW(2.2, ARRAY[row(31, 14.2E0), row(22, 5.2E0)], row(5, 4.0E0)) AS ROW(col0 double, col1 array(row(col0 integer, col1 double)), col2 row(col0 integer, col1 double))))) t(a) " + "WHERE a.col1[2].col1 > a.col2.col0", "SELECT * FROM VALUES (31, 3.2, 28.7, 8.0), (31, 3.2, 28.7, 8.0)"); } @Test public void testRowFieldAccessorInJoin() { assertQuery( "" + "SELECT t.a.col1, custkey, orderkey FROM " + "(VALUES " + "ROW(CAST(ROW(1, 11) AS ROW(col0 integer, col1 integer))), " + "ROW(CAST(ROW(2, 22) AS ROW(col0 integer, col1 integer))), " + "ROW(CAST(ROW(3, 33) AS ROW(col0 integer, col1 integer)))) t(a) " + "INNER JOIN orders " + "ON t.a.col0 = orders.orderkey", "SELECT * FROM VALUES (11, 370, 1), (22, 781, 2), (33, 1234, 3)"); } @Test public void testRowCast() { assertQuery("SELECT CAST(row(1, 2) AS row(aa bigint, bb boolean)).aa", "SELECT 1"); assertQuery("SELECT CAST(row(1, 2) AS row(aa bigint, bb boolean)).bb", "SELECT true"); assertQuery("SELECT CAST(row(1, 2) AS row(aa bigint, bb varchar)).bb", "SELECT '2'"); assertQuery("SELECT CAST(row(true, array[0, 2]) AS row(aa boolean, bb array(boolean))).bb[1]", "SELECT false"); assertQuery( "SELECT CAST(row(0.1, array[0, 2], row(1, 0.5)) AS row(aa bigint, bb array(boolean), cc row(dd varchar, ee varchar))).cc.ee", "SELECT '0.5'"); assertQuery( "SELECT CAST(array[row(0.1, array[0, 2], row(1, 0.5))] AS array<row(aa bigint, bb array(boolean), cc row(dd varchar, ee varchar))>)[1].cc.ee", "SELECT '0.5'"); } @Test public void testDereferenceInSubquery() { assertQuery("" + "SELECT x " + "FROM (" + " SELECT a.x" + " FROM (VALUES 1, 2, 3) a(x)" + ") " + "GROUP BY x", "SELECT * FROM VALUES 1, 2, 3"); assertQuery( "" + "SELECT t2.*, max(t1.b) AS max_b " + "FROM (VALUES (1, 'a'), (2, 'b'), (1, 'c'), (3, 'd')) t1(a, b) " + "INNER JOIN " + "(VALUES 1, 2, 3, 4) t2(a) " + "ON t1.a = t2.a " + "GROUP BY t2.a", "SELECT * FROM VALUES (1, 'c'), (2, 'b'), (3, 'd')"); assertQuery( "" + "SELECT t2.*, max(t1.b1) AS max_b1 " + "FROM (VALUES (1, 'a'), (2, 'b'), (1, 'c'), (3, 'd')) t1(a1, b1) " + "INNER JOIN " + "(VALUES (1, 11, 111), (2, 22, 222), (3, 33, 333), (4, 44, 444)) t2(a2, b2, c2) " + "ON t1.a1 = t2.a2 " + "GROUP BY t2.a2, t2.b2, t2.c2", "SELECT * FROM VALUES (1, 11, 111, 'c'), (2, 22, 222, 'b'), (3, 33, 333, 'd')"); assertQuery("" + "SELECT custkey, orders2 " + "FROM (" + " SELECT x.custkey, SUM(x.orders) + 1 orders2 " + " FROM ( " + " SELECT x.custkey, COUNT(x.orderkey) orders " + " FROM orders x " + " WHERE x.custkey < 100 " + " GROUP BY x.custkey " + " ) x " + " GROUP BY x.custkey" + ") " + "ORDER BY custkey"); } @Test public void testDereferenceInFunctionCall() { assertQuery("" + "SELECT COUNT(DISTINCT custkey) " + "FROM ( " + " SELECT x.custkey " + " FROM orders x " + " WHERE custkey < 100 " + ") t"); } @Test public void testDereferenceInComparison() { assertQuery("" + "SELECT orders.custkey, orders.orderkey " + "FROM orders " + "WHERE orders.custkey > orders.orderkey AND orders.custkey < 200.3"); } @Test public void testMissingRowFieldInGroupBy() { assertQueryFails( "SELECT a.col0, count(*) FROM (VALUES ROW(cast(ROW(1, 1) AS ROW(col0 integer, col1 integer)))) t(a)", "line 1:8: 'a.col0' must be an aggregate expression or appear in GROUP BY clause"); } @Test public void testWhereWithRowField() { assertQuery( "SELECT a.col0 FROM (VALUES ROW(CAST(ROW(1, 2) AS ROW(col0 integer, col1 integer)))) AS t (a) WHERE a.col0 > 0", "SELECT 1"); assertQuery( "SELECT SUM(a.col0) FROM (VALUES ROW(CAST(ROW(1, 2) AS ROW(col0 integer, col1 integer)))) AS t (a) WHERE a.col0 <= 0", "SELECT null"); assertQuery( "SELECT a.col0 FROM (VALUES ROW(CAST(ROW(1, 2) AS ROW(col0 integer, col1 integer)))) AS t (a) WHERE a.col0 < a.col1", "SELECT 1"); assertQuery( "SELECT SUM(a.col0) FROM (VALUES ROW(CAST(ROW(1, 2) AS ROW(col0 integer, col1 integer)))) AS t (a) WHERE a.col0 < a.col1", "SELECT 1"); assertQuery( "SELECT SUM(a.col0) FROM (VALUES ROW(CAST(ROW(1, 2) AS ROW(col0 integer, col1 integer)))) AS t (a) WHERE a.col0 > a.col1", "SELECT null"); } @Test public void testUnnest() { assertQuery("SELECT 1 FROM (VALUES (ARRAY[1])) AS t (a) CROSS JOIN UNNEST(a)", "SELECT 1"); assertQuery("SELECT x[1] FROM UNNEST(ARRAY[ARRAY[1, 2, 3]]) t(x)", "SELECT 1"); assertQuery("SELECT x[1][2] FROM UNNEST(ARRAY[ARRAY[ARRAY[1, 2, 3]]]) t(x)", "SELECT 2"); assertQuery("SELECT x[2] FROM UNNEST(ARRAY[MAP(ARRAY[1,2], ARRAY['hello', 'hi'])]) t(x)", "SELECT 'hi'"); assertQuery("SELECT * FROM UNNEST(ARRAY[1, 2, 3])", "SELECT * FROM VALUES (1), (2), (3)"); assertQuery("SELECT a FROM UNNEST(ARRAY[1, 2, 3]) t(a)", "SELECT * FROM VALUES (1), (2), (3)"); assertQuery("SELECT a, b FROM UNNEST(ARRAY[1, 2], ARRAY[3, 4]) t(a, b)", "SELECT * FROM VALUES (1, 3), (2, 4)"); assertQuery("SELECT a, b FROM UNNEST(ARRAY[1, 2, 3], ARRAY[4, 5]) t(a, b)", "SELECT * FROM VALUES (1, 4), (2, 5), (3, NULL)"); assertQuery("SELECT a FROM UNNEST(ARRAY[1, 2, 3], ARRAY[4, 5]) t(a, b)", "SELECT * FROM VALUES 1, 2, 3"); assertQuery("SELECT b FROM UNNEST(ARRAY[1, 2, 3], ARRAY[4, 5]) t(a, b)", "SELECT * FROM VALUES 4, 5, NULL"); assertQuery("SELECT count(*) FROM UNNEST(ARRAY[1, 2, 3], ARRAY[4, 5])", "SELECT 3"); assertQuery("SELECT a FROM UNNEST(ARRAY['kittens', 'puppies']) t(a)", "SELECT * FROM VALUES ('kittens'), ('puppies')"); assertQuery("" + "SELECT c " + "FROM UNNEST(ARRAY[1, 2, 3], ARRAY[4, 5]) t(a, b) " + "CROSS JOIN (values (8), (9)) t2(c)", "SELECT * FROM VALUES 8, 8, 8, 9, 9, 9"); assertQuery("" + "SELECT a.custkey, t.e " + "FROM (SELECT custkey, ARRAY[1, 2, 3] AS my_array FROM orders ORDER BY orderkey LIMIT 1) a " + "CROSS JOIN UNNEST(my_array) t(e)", "SELECT * FROM (SELECT custkey FROM orders ORDER BY orderkey LIMIT 1) CROSS JOIN (VALUES (1), (2), (3))"); assertQuery("" + "SELECT a.custkey, t.e " + "FROM (SELECT custkey, ARRAY[1, 2, 3] AS my_array FROM orders ORDER BY orderkey LIMIT 1) a, " + "UNNEST(my_array) t(e)", "SELECT * FROM (SELECT custkey FROM orders ORDER BY orderkey LIMIT 1) CROSS JOIN (VALUES (1), (2), (3))"); assertQuery( "SELECT * FROM UNNEST(ARRAY[0, 1]) CROSS JOIN UNNEST(ARRAY[0, 1]) CROSS JOIN UNNEST(ARRAY[0, 1])", "SELECT * FROM VALUES (0, 0, 0), (0, 0, 1), (0, 1, 0), (0, 1, 1), (1, 0, 0), (1, 0, 1), (1, 1, 0), (1, 1, 1)"); assertQuery("SELECT * FROM UNNEST(ARRAY[0, 1]), UNNEST(ARRAY[0, 1]), UNNEST(ARRAY[0, 1])", "SELECT * FROM VALUES (0, 0, 0), (0, 0, 1), (0, 1, 0), (0, 1, 1), (1, 0, 0), (1, 0, 1), (1, 1, 0), (1, 1, 1)"); assertQuery("SELECT a, b FROM UNNEST(MAP(ARRAY[1,2], ARRAY['cat', 'dog'])) t(a, b)", "SELECT * FROM VALUES (1, 'cat'), (2, 'dog')"); assertQuery("SELECT a, b FROM UNNEST(MAP(ARRAY[1,2], ARRAY['cat', NULL])) t(a, b)", "SELECT * FROM VALUES (1, 'cat'), (2, NULL)"); assertQuery("SELECT 1 FROM (VALUES (ARRAY[1])) AS t (a) CROSS JOIN UNNEST(a) WITH ORDINALITY", "SELECT 1"); assertQuery("SELECT * FROM UNNEST(ARRAY[1, 2, 3]) WITH ORDINALITY", "SELECT * FROM VALUES (1, 1), (2, 2), (3, 3)"); assertQuery("SELECT b FROM UNNEST(ARRAY[10, 20, 30]) WITH ORDINALITY t(a, b)", "SELECT * FROM VALUES (1), (2), (3)"); assertQuery("SELECT a, b, c FROM UNNEST(ARRAY[10, 20, 30], ARRAY[4, 5]) WITH ORDINALITY t(a, b, c)", "SELECT * FROM VALUES (10, 4, 1), (20, 5, 2), (30, NULL, 3)"); assertQuery("SELECT a, b FROM UNNEST(ARRAY['kittens', 'puppies']) WITH ORDINALITY t(a, b)", "SELECT * FROM VALUES ('kittens', 1), ('puppies', 2)"); assertQuery("" + "SELECT c " + "FROM UNNEST(ARRAY[1, 2, 3], ARRAY[4, 5]) WITH ORDINALITY t(a, b, c) " + "CROSS JOIN (values (8), (9)) t2(d)", "SELECT * FROM VALUES 1, 1, 2, 2, 3, 3"); assertQuery("" + "SELECT a.custkey, t.e, t.f " + "FROM (SELECT custkey, ARRAY[10, 20, 30] AS my_array FROM orders ORDER BY orderkey LIMIT 1) a " + "CROSS JOIN UNNEST(my_array) WITH ORDINALITY t(e, f)", "SELECT * FROM (SELECT custkey FROM orders ORDER BY orderkey LIMIT 1) CROSS JOIN (VALUES (10, 1), (20, 2), (30, 3))"); assertQuery("" + "SELECT a.custkey, t.e, t.f " + "FROM (SELECT custkey, ARRAY[10, 20, 30] AS my_array FROM orders ORDER BY orderkey LIMIT 1) a, " + "UNNEST(my_array) WITH ORDINALITY t(e, f)", "SELECT * FROM (SELECT custkey FROM orders ORDER BY orderkey LIMIT 1) CROSS JOIN (VALUES (10, 1), (20, 2), (30, 3))"); assertQuery("SELECT * FROM orders, UNNEST(ARRAY[1])", "SELECT orders.*, 1 FROM orders"); assertQueryFails("SELECT * FROM (VALUES array[2, 2]) a(x) LEFT OUTER JOIN UNNEST(x) ON true", "line .*: UNNEST on other than the right side of CROSS JOIN is not supported"); assertQueryFails("SELECT * FROM (VALUES array[2, 2]) a(x) RIGHT OUTER JOIN UNNEST(x) ON true", "line .*: UNNEST on other than the right side of CROSS JOIN is not supported"); assertQueryFails("SELECT * FROM (VALUES array[2, 2]) a(x) FULL OUTER JOIN UNNEST(x) ON true", "line .*: UNNEST on other than the right side of CROSS JOIN is not supported"); } @Test public void testArrays() { assertQuery("SELECT a[1] FROM (SELECT ARRAY[orderkey] AS a FROM orders ORDER BY orderkey) t", "SELECT orderkey FROM orders"); assertQuery( "SELECT a[1 + CAST(round(rand()) AS BIGINT)] FROM (SELECT ARRAY[orderkey, orderkey] AS a FROM orders ORDER BY orderkey) t", "SELECT orderkey FROM orders"); assertQuery("SELECT a[1] + 1 FROM (SELECT ARRAY[orderkey] AS a FROM orders ORDER BY orderkey) t", "SELECT orderkey + 1 FROM orders"); assertQuery("SELECT a[1] FROM (SELECT ARRAY[orderkey + 1] AS a FROM orders ORDER BY orderkey) t", "SELECT orderkey + 1 FROM orders"); assertQuery("SELECT a[1][1] FROM (SELECT ARRAY[ARRAY[orderkey + 1]] AS a FROM orders ORDER BY orderkey) t", "SELECT orderkey + 1 FROM orders"); assertQuery( "SELECT CARDINALITY(a) FROM (SELECT ARRAY[orderkey, orderkey + 1] AS a FROM orders ORDER BY orderkey) t", "SELECT 2 FROM orders"); } @Test public void testArrayAgg() { assertQuery("SELECT clerk, cardinality(array_agg(orderkey)) FROM orders GROUP BY clerk", "SELECT clerk, count(*) FROM orders GROUP BY clerk"); } @Test public void testReduceAgg() { assertQuery("SELECT x, reduce_agg(y, 1, (a, b) -> a * b, (a, b) -> a * b) " + "FROM (VALUES (1, 5), (1, 6), (1, 7), (2, 8), (2, 9), (3, 10)) AS t(x, y) " + "GROUP BY x", "VALUES (1, 5 * 6 * 7), (2, 8 * 9), (3, 10)"); assertQuery("SELECT x, reduce_agg(y, 0, (a, b) -> a + b, (a, b) -> a + b) " + "FROM (VALUES (1, 5), (1, 6), (1, 7), (2, 8), (2, 9), (3, 10)) AS t(x, y) " + "GROUP BY x", "VALUES (1, 5 + 6 + 7), (2, 8 + 9), (3, 10)"); assertQuery("SELECT x, reduce_agg(y, 1, (a, b) -> a * b, (a, b) -> a * b) " + "FROM (VALUES (1, CAST(5 AS DOUBLE)), (1, 6), (1, 7), (2, 8), (2, 9), (3, 10)) AS t(x, y) " + "GROUP BY x", "VALUES (1, CAST(5 AS DOUBLE) * 6 * 7), (2, 8 * 9), (3, 10)"); assertQuery("SELECT x, reduce_agg(y, 0, (a, b) -> a + b, (a, b) -> a + b) " + "FROM (VALUES (1, CAST(5 AS DOUBLE)), (1, 6), (1, 7), (2, 8), (2, 9), (3, 10)) AS t(x, y) " + "GROUP BY x", "VALUES (1, CAST(5 AS DOUBLE) + 6 + 7), (2, 8 + 9), (3, 10)"); } @Test public void testRows() { // Using JSON_FORMAT(CAST(_ AS JSON)) because H2 does not support ROW type assertQuery("SELECT JSON_FORMAT(CAST(ROW(1 + 2, CONCAT('a', 'b')) AS JSON))", "SELECT '[3,\"ab\"]'"); assertQuery("SELECT JSON_FORMAT(CAST(ROW(a + b) AS JSON)) FROM (VALUES (1, 2)) AS t(a, b)", "SELECT '[3]'"); assertQuery( "SELECT JSON_FORMAT(CAST(ROW(1, ROW(9, a, ARRAY[], NULL), ROW(1, 2)) AS JSON)) FROM (VALUES ('a')) t(a)", "SELECT '[1,[9,\"a\",[],null],[1,2]]'"); assertQuery( "SELECT JSON_FORMAT(CAST(ROW(ROW(ROW(ROW(ROW(a, b), c), d), e), f) AS JSON)) FROM (VALUES (ROW(0, 1), 2, '3', NULL, ARRAY[5], ARRAY[])) t(a, b, c, d, e, f)", "SELECT '[[[[[[0,1],2],\"3\"],null],[5]],[]]'"); assertQuery( "SELECT JSON_FORMAT(CAST(ARRAY_AGG(ROW(a, b)) AS JSON)) FROM (VALUES (1, 2), (3, 4), (5, 6)) t(a, b)", "SELECT '[[1,2],[3,4],[5,6]]'"); assertQuery("SELECT CONTAINS(ARRAY_AGG(ROW(a, b)), ROW(1, 2)) FROM (VALUES (1, 2), (3, 4), (5, 6)) t(a, b)", "SELECT TRUE"); assertQuery( "SELECT JSON_FORMAT(CAST(ARRAY_AGG(ROW(c, d)) AS JSON)) FROM (VALUES (ARRAY[1, 3, 5], ARRAY[2, 4, 6])) AS t(a, b) CROSS JOIN UNNEST(a, b) AS u(c, d)", "SELECT '[[1,2],[3,4],[5,6]]'"); assertQuery("SELECT JSON_FORMAT(CAST(ROW(x, y, z) AS JSON)) FROM (VALUES ROW(1, NULL, '3')) t(x,y,z)", "SELECT '[1,null,\"3\"]'"); assertQuery( "SELECT JSON_FORMAT(CAST(ROW(x, y, z) AS JSON)) FROM (VALUES ROW(1, CAST(NULL AS INTEGER), '3')) t(x,y,z)", "SELECT '[1,null,\"3\"]'"); } @Test public void testMaps() { assertQuery( "SELECT m[max_key] FROM (SELECT map_agg(orderkey, orderkey) m, max(orderkey) max_key FROM orders)", "SELECT max(orderkey) FROM orders"); // Make sure that even if the map constructor throws with the NULL key the block builders are left in a consistent state // and the TRY() call eventually succeeds and return NULL values. assertQuery("SELECT JSON_FORMAT(CAST(TRY(MAP(ARRAY[NULL], ARRAY[x])) AS JSON)) FROM (VALUES 1, 2) t(x)", "SELECT * FROM (VALUES NULL, NULL)"); } @Test public void testValues() { assertQuery("VALUES 1, 2, 3, 4"); assertQuery("VALUES 1, 3, 2, 4 ORDER BY 1", "SELECT * FROM (VALUES 1, 3, 2, 4) ORDER BY 1"); assertQuery("VALUES (1.1, 2, 'foo'), (sin(3.3), 2+2, 'bar')"); assertQuery("VALUES (1.1, 2), (sin(3.3), 2+2) ORDER BY 1", "VALUES (sin(3.3), 2+2), (1.1, 2)"); assertQuery("VALUES (1.1, 2), (sin(3.3), 2+2) LIMIT 1", "VALUES (1.1, 2)"); assertQuery("SELECT * FROM (VALUES (1.1, 2), (sin(3.3), 2+2))"); assertQuery("SELECT 1.1 in (VALUES (1.1), (2.2))", "VALUES (TRUE)"); assertQuery("" + "WITH a AS (VALUES (1.1, 2), (sin(3.3), 2+2)) " + "SELECT * FROM a", "VALUES (1.1, 2), (sin(3.3), 2+2)"); // implicit coersions assertQuery("VALUES 1, 2.2, 3, 4.4"); assertQuery("VALUES (1, 2), (3.3, 4.4)"); assertQuery("VALUES true, 1.0 in (1, 2, 3)"); } @Test public void testSpecialFloatingPointValues() { MaterializedResult actual = computeActual("SELECT nan(), infinity(), -infinity()"); MaterializedRow row = getOnlyElement(actual.getMaterializedRows()); assertEquals(row.getField(0), Double.NaN); assertEquals(row.getField(1), Double.POSITIVE_INFINITY); assertEquals(row.getField(2), Double.NEGATIVE_INFINITY); } @Test public void testMaxMinStringWithNulls() { assertQuery( "SELECT custkey, MAX(NULLIF(orderstatus, 'O')), MIN(NULLIF(orderstatus, 'O')) FROM orders GROUP BY custkey"); } @Test public void testApproxPercentile() { MaterializedResult raw = computeActual("SELECT orderstatus, orderkey, totalprice FROM orders"); Multimap<String, Long> orderKeyByStatus = ArrayListMultimap.create(); Multimap<String, Double> totalPriceByStatus = ArrayListMultimap.create(); for (MaterializedRow row : raw.getMaterializedRows()) { orderKeyByStatus.put((String) row.getField(0), ((Number) row.getField(1)).longValue()); totalPriceByStatus.put((String) row.getField(0), (Double) row.getField(2)); } MaterializedResult actual = computeActual( "" + "SELECT orderstatus, " + " approx_percentile(orderkey, 0.5), " + " approx_percentile(totalprice, 0.5)," + " approx_percentile(orderkey, 2, 0.5)," + " approx_percentile(totalprice, 2, 0.5)\n" + "FROM orders\n" + "GROUP BY orderstatus"); for (MaterializedRow row : actual.getMaterializedRows()) { String status = (String) row.getField(0); Long orderKey = ((Number) row.getField(1)).longValue(); Double totalPrice = (Double) row.getField(2); Long orderKeyWeighted = ((Number) row.getField(3)).longValue(); Double totalPriceWeighted = (Double) row.getField(4); List<Long> orderKeys = Ordering.natural().sortedCopy(orderKeyByStatus.get(status)); List<Double> totalPrices = Ordering.natural().sortedCopy(totalPriceByStatus.get(status)); // verify real rank of returned value is within 1% of requested rank assertTrue(orderKey >= orderKeys.get((int) (0.49 * orderKeys.size()))); assertTrue(orderKey <= orderKeys.get((int) (0.51 * orderKeys.size()))); assertTrue(orderKeyWeighted >= orderKeys.get((int) (0.49 * orderKeys.size()))); assertTrue(orderKeyWeighted <= orderKeys.get((int) (0.51 * orderKeys.size()))); assertTrue(totalPrice >= totalPrices.get((int) (0.49 * totalPrices.size()))); assertTrue(totalPrice <= totalPrices.get((int) (0.51 * totalPrices.size()))); assertTrue(totalPriceWeighted >= totalPrices.get((int) (0.49 * totalPrices.size()))); assertTrue(totalPriceWeighted <= totalPrices.get((int) (0.51 * totalPrices.size()))); } } @Test public void testComplexQuery() { assertQueryOrdered("SELECT sum(orderkey), row_number() OVER (ORDER BY orderkey) " + "FROM orders " + "WHERE orderkey <= 10 " + "GROUP BY orderkey " + "HAVING sum(orderkey) >= 3 " + "ORDER BY orderkey DESC " + "LIMIT 3", "VALUES (7, 5), (6, 4), (5, 3)"); } @Test public void testWhereNull() { // This query is has this strange shape to force the compiler to leave a true on the stack // with the null flag set so if the filter method is not handling nulls correctly, this // query will fail assertQuery( "SELECT custkey FROM orders WHERE custkey = custkey AND CAST(nullif(custkey, custkey) AS boolean) AND CAST(nullif(custkey, custkey) AS boolean)"); } @Test public void testJoinWithMultiFieldGroupBy() { assertQuery( "SELECT orderstatus FROM lineitem JOIN (SELECT DISTINCT orderkey, orderstatus FROM orders) T on lineitem.orderkey = T.orderkey"); } @Test public void testDistinctMultipleFields() { assertQuery("SELECT DISTINCT custkey, orderstatus FROM orders"); } @Test public void testDistinctJoin() { assertQuery("SELECT COUNT(DISTINCT CAST(b.quantity AS BIGINT)), a.orderstatus " + "FROM orders a " + "JOIN lineitem b " + "ON a.orderkey = b.orderkey " + "GROUP BY a.orderstatus"); } @Test public void testArithmeticNegation() { assertQuery("SELECT -custkey FROM orders"); } @Test public void testDistinct() { assertQuery("SELECT DISTINCT custkey FROM orders"); } @Test public void testDistinctHaving() { assertQuery("SELECT COUNT(DISTINCT clerk) AS count " + "FROM orders " + "GROUP BY orderdate " + "HAVING COUNT(DISTINCT clerk) > 1"); } @Test public void testDistinctWindow() { MaterializedResult actual = computeActual( "SELECT RANK() OVER (PARTITION BY orderdate ORDER BY COUNT(DISTINCT clerk)) rnk " + "FROM orders " + "GROUP BY orderdate, custkey " + "ORDER BY rnk " + "LIMIT 1"); MaterializedResult expected = resultBuilder(getSession(), BIGINT).row(1L).build(); assertEquals(actual, expected); } @Test public void testDistinctLimit() { assertQuery("" + "SELECT DISTINCT orderstatus, custkey " + "FROM (SELECT orderstatus, custkey FROM orders ORDER BY orderkey LIMIT 10) " + "LIMIT 10"); assertQuery("SELECT COUNT(*) FROM (SELECT DISTINCT orderstatus, custkey FROM orders LIMIT 10)"); assertQuery("SELECT DISTINCT custkey, orderstatus FROM orders WHERE custkey = 1268 LIMIT 2"); assertQuery("" + "SELECT DISTINCT x " + "FROM (VALUES 1) t(x) JOIN (VALUES 10, 20) u(a) ON t.x < u.a " + "LIMIT 100", "SELECT 1"); } @Test public void testDistinctWithOrderBy() { assertQueryOrdered("SELECT DISTINCT custkey FROM orders ORDER BY custkey LIMIT 10"); } @Test public void testDistinctWithOrderByNotInSelect() { assertQueryFails("SELECT DISTINCT custkey FROM orders ORDER BY orderkey LIMIT 10", "line 1:1: For SELECT DISTINCT, ORDER BY expressions must appear in select list"); } @Test public void testOrderByLimit() { assertQueryOrdered("SELECT custkey, orderstatus FROM orders ORDER BY orderkey DESC LIMIT 10"); } @Test public void testOrderByExpressionWithLimit() { assertQueryOrdered("SELECT custkey, orderstatus FROM orders ORDER BY orderkey + 1 DESC LIMIT 10"); } @Test public void testOrderByWithOutputColumnReference() { assertQueryOrdered("SELECT a*2 AS b FROM (VALUES -1, 0, 2) t(a) ORDER BY b*-1", "VALUES 4, 0, -2"); assertQueryOrdered("SELECT a*2 AS b FROM (VALUES -1, 0, 2) t(a) ORDER BY b", "VALUES -2, 0, 4"); assertQueryOrdered("SELECT a*-2 AS a FROM (VALUES -1, 0, 2) t(a) ORDER BY a*-1", "VALUES 2, 0, -4"); assertQueryOrdered("SELECT a*-2 AS a FROM (VALUES -1, 0, 2) t(a) ORDER BY t.a*-1", "VALUES -4, 0, 2"); assertQueryOrdered("SELECT a*-2 FROM (VALUES -1, 0, 2) t(a) ORDER BY a*-1", "VALUES -4, 0, 2"); assertQueryOrdered("SELECT a*-2 FROM (VALUES -1, 0, 2) t(a) ORDER BY t.a*-1", "VALUES -4, 0, 2"); assertQueryOrdered("SELECT a, a* -1 AS a FROM (VALUES -1, 0, 2) t(a) ORDER BY t.a", "VALUES (-1, 1), (0, 0), (2, -2)"); assertQueryOrdered("SELECT a, a* -2 AS b FROM (VALUES -1, 0, 2) t(a) ORDER BY a + b", "VALUES (2, -4), (0, 0), (-1, 2)"); assertQueryOrdered("SELECT a AS b, a* -2 AS a FROM (VALUES -1, 0, 2) t(a) ORDER BY a + b", "VALUES (2, -4), (0, 0), (-1, 2)"); assertQueryOrdered("SELECT a* -2 AS a FROM (VALUES -1, 0, 2) t(a) ORDER BY a + t.a", "VALUES -4, 0, 2"); assertQueryOrdered("SELECT k, SUM(a) a, SUM(b) a FROM (VALUES (1, 2, 3)) t(k, a, b) GROUP BY k ORDER BY k", "VALUES (1, 2, 3)"); // coercions assertQueryOrdered("SELECT 1 x ORDER BY degrees(x)", "VALUES 1"); assertQueryOrdered("SELECT a + 1 AS b FROM (VALUES 1, 2) t(a) ORDER BY -1.0 * b", "VALUES 3, 2"); assertQueryOrdered("SELECT a AS b FROM (VALUES 1, 2) t(a) ORDER BY -1.0 * b", "VALUES 2, 1"); assertQueryOrdered("SELECT a AS a FROM (VALUES 1, 2) t(a) ORDER BY -1.0 * a", "VALUES 2, 1"); assertQueryOrdered("SELECT 1 x ORDER BY degrees(x)", "VALUES 1"); // groups assertQueryOrdered( "SELECT max(a+b), min(a+b) AS a FROM (values (1,2),(3,2),(1,5)) t(a,b) GROUP BY a ORDER BY max(t.a+t.b)", "VALUES (5, 5), (6, 3)"); assertQueryOrdered( "SELECT max(a+b), min(a+b) AS a FROM (values (1,2),(3,2),(1,5)) t(a,b) GROUP BY a ORDER BY max(t.a+t.b)*-0.1", "VALUES (6, 3), (5, 5)"); assertQueryOrdered("SELECT max(a) FROM (values (1,2), (2,1)) t(a,b) GROUP BY b ORDER BY max(b*1.0)", "VALUES 2, 1"); assertQueryOrdered("SELECT max(a) AS b FROM (values (1,2), (2,1)) t(a,b) GROUP BY b ORDER BY b", "VALUES 1, 2"); assertQueryOrdered("SELECT max(a) FROM (values (1,2), (2,1)) t(a,b) GROUP BY b ORDER BY b*1.0", "VALUES 2, 1"); assertQueryOrdered( "SELECT max(a)*100 AS c FROM (values (1,2), (2,1)) t(a,b) GROUP BY b ORDER BY max(b) + c", "VALUES 100, 200"); assertQueryOrdered("SELECT max(a) FROM (values (1,2), (2,1)) t(a,b) GROUP BY b ORDER BY b", "VALUES 2, 1"); assertQueryOrdered("SELECT max(a) FROM (values (1,2), (2,1)) t(a,b) GROUP BY t.b ORDER BY t.b*1.0", "VALUES 2, 1"); assertQueryOrdered( "SELECT -(a+b) AS a, -(a+b) AS b, a+b FROM (values (41, 42), (-41, -42)) t(a,b) GROUP BY a+b ORDER BY a+b", "VALUES (-83, -83, 83), (83, 83, -83)"); assertQueryOrdered( "SELECT c.a FROM (SELECT CAST(ROW(-a.a) AS ROW(a BIGINT)) a FROM (VALUES (2), (1)) a(a) GROUP BY a.a ORDER BY a.a) t(c)", "VALUES -2, -1"); assertQueryOrdered( "SELECT -a AS a FROM (values (1,2),(3,2)) t(a,b) GROUP BY GROUPING SETS ((a), (a, b)) ORDER BY -a", "VALUES -1, -1, -3, -3"); assertQueryOrdered( "SELECT a AS foo FROM (values (1,2),(3,2)) t(a,b) GROUP BY GROUPING SETS ((a), (a, b)) HAVING b IS NOT NULL ORDER BY -a", "VALUES 3, 1"); assertQueryOrdered("SELECT max(a) FROM (values (1,2),(3,2)) t(a,b) ORDER BY max(-a)", "VALUES 3"); assertQueryFails("SELECT max(a) AS a FROM (values (1,2)) t(a,b) GROUP BY b ORDER BY max(a+b)", ".*Invalid reference to output projection attribute from ORDER BY aggregation"); assertQueryOrdered("SELECT -a AS a, a AS b FROM (VALUES 1, 2) t(a) GROUP BY t.a ORDER BY a", "VALUES (-2, 2), (-1, 1)"); assertQueryOrdered("SELECT -a AS a, a AS b FROM (VALUES 1, 2) t(a) GROUP BY t.a ORDER BY t.a", "VALUES (-1, 1), (-2, 2)"); assertQueryOrdered("SELECT -a AS a, a AS b FROM (VALUES 1, 2) t(a) GROUP BY a ORDER BY t.a", "VALUES (-1, 1), (-2, 2)"); assertQueryOrdered("SELECT -a AS a, a AS b FROM (VALUES 1, 2) t(a) GROUP BY a ORDER BY t.a+2*a", "VALUES (-2, 2), (-1, 1)"); assertQueryOrdered("SELECT -a AS a, a AS b FROM (VALUES 1, 2) t(a) GROUP BY t.a ORDER BY t.a+2*a", "VALUES (-2, 2), (-1, 1)"); // lambdas assertQueryOrdered( "SELECT x AS y FROM (values (1,2), (2,3)) t(x, y) GROUP BY x ORDER BY apply(x, x -> -x) + 2*x", "VALUES 1, 2"); assertQueryOrdered( "SELECT -y AS x FROM (values (1,2), (2,3)) t(x, y) GROUP BY y ORDER BY apply(x, x -> -x)", "VALUES -2, -3"); assertQueryOrdered( "SELECT -y AS x FROM (values (1,2), (2,3)) t(x, y) GROUP BY y ORDER BY sum(apply(-y, x -> x * 1.0))", "VALUES -3, -2"); // distinct assertQueryOrdered("SELECT DISTINCT -a AS b FROM (VALUES 1, 2) t(a) ORDER BY b", "VALUES -2, -1"); assertQueryOrdered("SELECT DISTINCT -a AS b FROM (VALUES 1, 2) t(a) ORDER BY 1", "VALUES -2, -1"); assertQueryOrdered("SELECT DISTINCT max(a) AS b FROM (values (1,2), (2,1)) t(a,b) GROUP BY b ORDER BY b", "VALUES 1, 2"); assertQueryFails("SELECT DISTINCT -a AS b FROM (VALUES (1, 2), (3, 4)) t(a, c) ORDER BY c", ".*For SELECT DISTINCT, ORDER BY expressions must appear in select list"); assertQueryFails("SELECT DISTINCT -a AS b FROM (VALUES (1, 2), (3, 4)) t(a, c) ORDER BY 2", ".*ORDER BY position 2 is not in select list"); // window assertQueryOrdered("SELECT a FROM (VALUES 1, 2) t(a) ORDER BY -row_number() OVER ()", "VALUES 2, 1"); assertQueryOrdered( "SELECT -a AS a, first_value(-a) OVER (ORDER BY a ROWS 0 PRECEDING) AS b FROM (VALUES 1, 2) t(a) ORDER BY first_value(a) OVER (ORDER BY a ROWS 0 PRECEDING)", "VALUES (-2, -2), (-1, -1)"); assertQueryOrdered( "SELECT -a AS a FROM (VALUES 1, 2) t(a) ORDER BY first_value(a+t.a*2) OVER (ORDER BY a ROWS 0 PRECEDING)", "VALUES -1, -2"); assertQueryFails("SELECT a, a* -1 AS a FROM (VALUES -1, 0, 2) t(a) ORDER BY a", ".*'a' is ambiguous"); } @Test public void testOrderByWithAggregation() { assertQuery("" + "SELECT x, sum(cast(x AS double))\n" + "FROM (VALUES '1.0') t(x)\n" + "GROUP BY x\n" + "ORDER BY sum(cast(t.x AS double))", "VALUES ('1.0', 1.0)"); queryTemplate( "SELECT count(*) %output% FROM (SELECT substr(name,1,1) letter FROM nation) x GROUP BY %groupBy% ORDER BY %orderBy%") .replaceAll(parameter("output").of("", ", letter", ", letter AS y"), parameter("groupBy").of("x.letter", "letter"), parameter("orderBy").of("x.letter", "letter")) .forEach(this::assertQueryOrdered); } @Test public void testGroupByOrderByLimit() { assertQueryOrdered( "SELECT custkey, SUM(totalprice) FROM orders GROUP BY custkey ORDER BY SUM(totalprice) DESC LIMIT 10"); } @Test public void testLimitZero() { assertQuery("SELECT custkey, totalprice FROM orders LIMIT 0"); } @Test public void testLimitAll() { assertQuery("SELECT custkey, totalprice FROM orders LIMIT ALL", "SELECT custkey, totalprice FROM orders"); } @Test public void testOrderByLimitZero() { assertQuery("SELECT custkey, totalprice FROM orders ORDER BY orderkey LIMIT 0"); } @Test public void testOrderByLimitAll() { assertQuery("SELECT custkey, totalprice FROM orders ORDER BY orderkey LIMIT ALL", "SELECT custkey, totalprice FROM orders ORDER BY orderkey"); } @Test public void testRepeatedAggregations() { assertQuery("SELECT SUM(orderkey), SUM(orderkey) FROM orders"); } @Test public void testRepeatedOutputs() { assertQuery("SELECT orderkey a, orderkey b FROM orders WHERE orderstatus = 'F'"); } @Test public void testRepeatedOutputs2() { // this test exposed a bug that wasn't caught by other tests that resulted in the execution engine // trying to read orderkey as the second field, causing a type mismatch assertQuery("SELECT orderdate, orderdate, orderkey FROM orders"); } @Test public void testLimit() { MaterializedResult actual = computeActual("SELECT orderkey FROM orders LIMIT 10"); MaterializedResult all = computeExpected("SELECT orderkey FROM orders", actual.getTypes()); assertEquals(actual.getMaterializedRows().size(), 10); assertContains(all, actual); } @Test public void testLimitWithAggregation() { MaterializedResult actual = computeActual( "SELECT custkey, SUM(CAST(totalprice * 100 AS BIGINT)) FROM orders GROUP BY custkey LIMIT 10"); MaterializedResult all = computeExpected( "SELECT custkey, SUM(CAST(totalprice * 100 AS BIGINT)) FROM orders GROUP BY custkey", actual.getTypes()); assertEquals(actual.getMaterializedRows().size(), 10); assertContains(all, actual); } @Test public void testLimitInInlineView() { MaterializedResult actual = computeActual( "SELECT orderkey FROM (SELECT orderkey FROM orders LIMIT 100) T LIMIT 10"); MaterializedResult all = computeExpected("SELECT orderkey FROM orders", actual.getTypes()); assertEquals(actual.getMaterializedRows().size(), 10); assertContains(all, actual); } @Test public void testCountAll() { assertQuery("SELECT COUNT(*) FROM orders"); assertQuery("SELECT COUNT(42) FROM orders", "SELECT COUNT(*) FROM orders"); assertQuery("SELECT COUNT(42 + 42) FROM orders", "SELECT COUNT(*) FROM orders"); assertQuery("SELECT COUNT(null) FROM orders", "SELECT 0"); } @Test public void testCountColumn() { assertQuery("SELECT COUNT(orderkey) FROM orders"); assertQuery("SELECT COUNT(orderstatus) FROM orders"); assertQuery("SELECT COUNT(orderdate) FROM orders"); assertQuery("SELECT COUNT(1) FROM orders"); assertQuery("SELECT COUNT(NULLIF(orderstatus, 'F')) FROM orders"); assertQuery("SELECT COUNT(CAST(NULL AS BIGINT)) FROM orders"); // todo: make COUNT(null) work } @Test public void testWildcard() { assertQuery("SELECT * FROM orders"); } @Test public void testMultipleWildcards() { assertQuery("SELECT *, 123, * FROM orders"); } @Test public void testMixedWildcards() { assertQuery("SELECT *, orders.*, orderkey FROM orders"); } @Test public void testQualifiedWildcardFromAlias() { assertQuery("SELECT T.* FROM orders T"); } @Test public void testQualifiedWildcardFromInlineView() { assertQuery("SELECT T.* FROM (SELECT orderkey + custkey FROM orders) T"); } @Test public void testQualifiedWildcard() { assertQuery("SELECT orders.* FROM orders"); } @Test public void testAverageAll() { assertQuery("SELECT AVG(totalprice) FROM orders"); } @Test public void testVariance() { // int64 assertQuery("SELECT VAR_SAMP(custkey) FROM orders"); assertQuery("SELECT VAR_SAMP(custkey) FROM (SELECT custkey FROM orders ORDER BY custkey LIMIT 2) T"); assertQuery("SELECT VAR_SAMP(custkey) FROM (SELECT custkey FROM orders ORDER BY custkey LIMIT 1) T"); assertQuery("SELECT VAR_SAMP(custkey) FROM (SELECT custkey FROM orders LIMIT 0) T"); // double assertQuery("SELECT VAR_SAMP(totalprice) FROM orders"); assertQuery( "SELECT VAR_SAMP(totalprice) FROM (SELECT totalprice FROM orders ORDER BY totalprice LIMIT 2) T"); assertQuery( "SELECT VAR_SAMP(totalprice) FROM (SELECT totalprice FROM orders ORDER BY totalprice LIMIT 1) T"); assertQuery("SELECT VAR_SAMP(totalprice) FROM (SELECT totalprice FROM orders LIMIT 0) T"); } @Test public void testVariancePop() { // int64 assertQuery("SELECT VAR_POP(custkey) FROM orders"); assertQuery("SELECT VAR_POP(custkey) FROM (SELECT custkey FROM orders ORDER BY custkey LIMIT 2) T"); assertQuery("SELECT VAR_POP(custkey) FROM (SELECT custkey FROM orders ORDER BY custkey LIMIT 1) T"); assertQuery("SELECT VAR_POP(custkey) FROM (SELECT custkey FROM orders LIMIT 0) T"); // double assertQuery("SELECT VAR_POP(totalprice) FROM orders"); assertQuery( "SELECT VAR_POP(totalprice) FROM (SELECT totalprice FROM orders ORDER BY totalprice LIMIT 2) T"); assertQuery( "SELECT VAR_POP(totalprice) FROM (SELECT totalprice FROM orders ORDER BY totalprice LIMIT 1) T"); assertQuery("SELECT VAR_POP(totalprice) FROM (SELECT totalprice FROM orders LIMIT 0) T"); } @Test public void testStdDev() { // int64 assertQuery("SELECT STDDEV_SAMP(custkey) FROM orders"); assertQuery("SELECT STDDEV_SAMP(custkey) FROM (SELECT custkey FROM orders ORDER BY custkey LIMIT 2) T"); assertQuery("SELECT STDDEV_SAMP(custkey) FROM (SELECT custkey FROM orders ORDER BY custkey LIMIT 1) T"); assertQuery("SELECT STDDEV_SAMP(custkey) FROM (SELECT custkey FROM orders LIMIT 0) T"); // double assertQuery("SELECT STDDEV_SAMP(totalprice) FROM orders"); assertQuery( "SELECT STDDEV_SAMP(totalprice) FROM (SELECT totalprice FROM orders ORDER BY totalprice LIMIT 2) T"); assertQuery( "SELECT STDDEV_SAMP(totalprice) FROM (SELECT totalprice FROM orders ORDER BY totalprice LIMIT 1) T"); assertQuery("SELECT STDDEV_SAMP(totalprice) FROM (SELECT totalprice FROM orders LIMIT 0) T"); } @Test public void testStdDevPop() { // int64 assertQuery("SELECT STDDEV_POP(custkey) FROM orders"); assertQuery("SELECT STDDEV_POP(custkey) FROM (SELECT custkey FROM orders ORDER BY custkey LIMIT 2) T"); assertQuery("SELECT STDDEV_POP(custkey) FROM (SELECT custkey FROM orders ORDER BY custkey LIMIT 1) T"); assertQuery("SELECT STDDEV_POP(custkey) FROM (SELECT custkey FROM orders LIMIT 0) T"); // double assertQuery("SELECT STDDEV_POP(totalprice) FROM orders"); assertQuery( "SELECT STDDEV_POP(totalprice) FROM (SELECT totalprice FROM orders ORDER BY totalprice LIMIT 2) T"); assertQuery( "SELECT STDDEV_POP(totalprice) FROM (SELECT totalprice FROM orders ORDER BY totalprice LIMIT 1) T"); assertQuery("SELECT STDDEV_POP(totalprice) FROM (SELECT totalprice FROM orders LIMIT 0) T"); } @Test public void testJoinCoercion() { assertQuery("SELECT COUNT(*) FROM orders t JOIN (SELECT * FROM orders LIMIT 1) t2 ON sin(t2.custkey) = 0"); } @Test public void testJoinCoercionOnEqualityComparison() { assertQuery( "SELECT o.clerk, avg(o.shippriority), COUNT(l.linenumber) FROM orders o LEFT OUTER JOIN lineitem l ON o.orderkey=l.orderkey AND o.shippriority=1 GROUP BY o.clerk"); } @Test public void testRollupOverUnion() { assertQuery( "" + "SELECT orderstatus, sum(orderkey)\n" + "FROM (SELECT orderkey, orderstatus\n" + " FROM orders\n" + " UNION ALL\n" + " SELECT orderkey, orderstatus\n" + " FROM orders) x\n" + "GROUP BY ROLLUP (orderstatus)", "VALUES ('P', 21470000),\n" + "('O', 439774330),\n" + "('F', 438500670),\n" + "(NULL, 899745000)"); assertQuery( "SELECT regionkey, count(*) FROM (" + " SELECT regionkey FROM nation " + " UNION ALL " + " SELECT * FROM (VALUES 2, 100) t(regionkey)) " + "GROUP BY ROLLUP (regionkey)", "SELECT * FROM (VALUES (0, 5), (1, 5), (2, 6), (3, 5), (4, 5), (100, 1), (NULL, 27))"); } @Test public void testGrouping() { assertQuery( "SELECT a, b AS t, sum(c), grouping(a, b) + grouping(a) " + "FROM (VALUES ('h', 'j', 11), ('k', 'l', 7)) AS t (a, b, c) " + "GROUP BY GROUPING SETS ( (a), (b)) " + "ORDER BY grouping(b) ASC", "VALUES (NULL, 'j', 11, 3), (NULL, 'l', 7, 3), ('h', NULL, 11, 1), ('k', NULL, 7, 1)"); assertQuery( "SELECT a, sum(b), grouping(a) FROM (VALUES ('h', 11, 0), ('k', 7, 0)) AS t (a, b, c) GROUP BY GROUPING SETS (a)", "VALUES ('h', 11, 0), ('k', 7, 0)"); assertQuery( "SELECT a, b, sum(c), grouping(a, b) FROM (VALUES ('h', 'j', 11), ('k', 'l', 7) ) AS t (a, b, c) GROUP BY GROUPING SETS ( (a), (b)) HAVING grouping(a, b) > 1 ", "VALUES (NULL, 'j', 11, 2), (NULL, 'l', 7, 2)"); assertQuery("SELECT a, grouping(a) * 1.0 FROM (VALUES (1) ) AS t (a) GROUP BY a", "VALUES (1, 0.0)"); assertQuery("SELECT a, grouping(a), grouping(a) FROM (VALUES (1) ) AS t (a) GROUP BY a", "VALUES (1, 0, 0)"); assertQuery( "SELECT grouping(a) FROM (VALUES ('h', 'j', 11), ('k', 'l', 7)) AS t (a, b, c) GROUP BY GROUPING SETS (a,c), c*2", "VALUES (0), (1), (0), (1)"); } @Test public void testGroupingWithFortyArguments() { // This test ensures we correctly pick the bigint implementation version of the grouping // function which supports up to 62 columns. Semantically it is exactly the same as // TestGroupingOperationFunction#testMoreThanThirtyTwoArguments. That test is a little easier to // understand and verify. String fortyLetterSequence = "aa, ab, ac, ad, ae, af, ag, ah, ai, aj, ak, al, am, an, ao, ap, aq, ar, asa, at, au, av, aw, ax, ay, az, " + "ba, bb, bc, bd, be, bf, bg, bh, bi, bj, bk, bl, bm, bn"; String fortyIntegers = "1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, " + "31, 32, 33, 34, 35, 36, 37, 38, 39, 40"; // 20, 2, 13, 33, 40, 9 , 14 (corresponding indices from Left to right in the above fortyLetterSequence) String groupingSet1 = "at, ab, am, bg, bn, ai, an"; // 28, 4, 5, 29, 31, 10 (corresponding indices from left to right in the above fortyLetterSequence) String groupingSet2 = "bb, ad, ae, bc, be, aj"; String query = String.format( "SELECT grouping(%s) FROM (VALUES (%s)) AS t(%s) GROUP BY GROUPING SETS ((%s), (%s), (%s))", fortyLetterSequence, fortyIntegers, fortyLetterSequence, fortyLetterSequence, groupingSet1, groupingSet2); assertQuery(query, "VALUES (0), (822283861886), (995358664191)"); } @Test public void testGroupingInWindowFunction() { assertQuery( "SELECT orderkey, custkey, sum(totalprice), grouping(orderkey)+grouping(custkey) AS g, " + " rank() OVER (PARTITION BY grouping(orderkey)+grouping(custkey), " + " CASE WHEN grouping(orderkey) = 0 THEN custkey END ORDER BY orderkey ASC) AS r " + "FROM orders " + "GROUP BY ROLLUP (orderkey, custkey) " + "ORDER BY orderkey, custkey " + "LIMIT 10", "VALUES (1, 370, 172799.49, 0, 1), " + " (1, NULL, 172799.49, 1, 1), " + " (2, 781, 38426.09, 0, 1), " + " (2, NULL, 38426.09, 1, 2), " + " (3, 1234, 205654.30, 0, 1), " + " (3, NULL, 205654.30, 1, 3), " + " (4, 1369, 56000.91, 0, 1), " + " (4, NULL, 56000.91, 1, 4), " + " (5, 445, 105367.67, 0, 1), " + " (5, NULL, 105367.67, 1, 5)"); } @Test public void testGroupingInTableSubquery() { // In addition to testing grouping() in subqueries, the following tests also // ensure correct behavior in the case of alternating GROUPING SETS and GROUP BY // clauses in the same plan. This is significant because grouping() with GROUP BY // works only with a special re-write that should not happen in the presence of // GROUPING SETS. // Inner query has a single GROUP BY and outer query has GROUPING SETS assertQuery("SELECT orderkey, custkey, sum(agg_price) AS outer_sum, grouping(orderkey, custkey), g " + "FROM " + " (SELECT orderkey, custkey, sum(totalprice) AS agg_price, grouping(custkey, orderkey) AS g " + " FROM orders " + " GROUP BY orderkey, custkey " + " ORDER BY agg_price ASC " + " LIMIT 5) AS t " + "GROUP BY GROUPING SETS ((orderkey, custkey), g) " + "ORDER BY outer_sum", "VALUES (35271, 334, 874.89, 0, NULL), " + " (28647, 1351, 924.33, 0, NULL), " + " (58145, 862, 929.03, 0, NULL), " + " (8354, 634, 974.04, 0, NULL), " + " (37415, 301, 986.63, 0, NULL), " + " (NULL, NULL, 4688.92, 3, 0)"); // Inner query has GROUPING SETS and outer query has GROUP BY assertQuery("SELECT orderkey, custkey, g, sum(agg_price) AS outer_sum, grouping(orderkey, custkey) " + "FROM " + " (SELECT orderkey, custkey, sum(totalprice) AS agg_price, grouping(custkey, orderkey) AS g " + " FROM orders " + " GROUP BY GROUPING SETS ((custkey), (orderkey)) " + " ORDER BY agg_price ASC " + " LIMIT 5) AS t " + "GROUP BY orderkey, custkey, g", "VALUES (28647, NULL, 2, 924.33, 0), " + " (8354, NULL, 2, 974.04, 0), " + " (37415, NULL, 2, 986.63, 0), " + " (58145, NULL, 2, 929.03, 0), " + " (35271, NULL, 2, 874.89, 0)"); // Inner query has GROUPING SETS but no grouping and outer query has a simple GROUP BY assertQuery( "SELECT orderkey, custkey, sum(agg_price) AS outer_sum, grouping(orderkey, custkey) " + "FROM " + " (SELECT orderkey, custkey, sum(totalprice) AS agg_price " + " FROM orders " + " GROUP BY GROUPING SETS ((custkey), (orderkey)) " + " ORDER BY agg_price ASC NULLS FIRST) AS t " + "GROUP BY orderkey, custkey " + "ORDER BY outer_sum ASC NULLS FIRST " + "LIMIT 5", "VALUES (35271, NULL, 874.89, 0), " + " (28647, NULL, 924.33, 0), " + " (58145, NULL, 929.03, 0), " + " (8354, NULL, 974.04, 0), " + " (37415, NULL, 986.63, 0)"); } @Test public void testIntersect() { assertQuery("SELECT regionkey FROM nation WHERE nationkey < 7 " + "INTERSECT SELECT regionkey FROM nation WHERE nationkey > 21"); assertQuery("SELECT regionkey FROM nation WHERE nationkey < 7 " + "INTERSECT DISTINCT SELECT regionkey FROM nation WHERE nationkey > 21", "VALUES 1, 3"); assertQuery("WITH wnation AS (SELECT nationkey, regionkey FROM nation) " + "SELECT regionkey FROM wnation WHERE nationkey < 7 " + "INTERSECT SELECT regionkey FROM wnation WHERE nationkey > 21", "VALUES 1, 3"); assertQuery("SELECT num FROM (SELECT 1 AS num FROM nation WHERE nationkey=10 " + "INTERSECT SELECT 1 FROM nation WHERE nationkey=20) T"); assertQuery("SELECT nationkey, nationkey / 2 FROM (SELECT nationkey FROM nation WHERE nationkey < 10 " + "INTERSECT SELECT nationkey FROM nation WHERE nationkey > 4) T WHERE nationkey % 2 = 0"); assertQuery("SELECT regionkey FROM (SELECT regionkey FROM nation WHERE nationkey < 7 " + "INTERSECT SELECT regionkey FROM nation WHERE nationkey > 21) " + "UNION SELECT 4"); assertQuery("SELECT regionkey FROM (SELECT regionkey FROM nation WHERE nationkey < 7 " + "UNION SELECT regionkey FROM nation WHERE nationkey > 21) " + "INTERSECT SELECT 1"); assertQuery("SELECT regionkey FROM (SELECT regionkey FROM nation WHERE nationkey < 7 " + "INTERSECT SELECT regionkey FROM nation WHERE nationkey > 21) " + "UNION ALL SELECT 3"); assertQuery("SELECT regionkey FROM (SELECT regionkey FROM nation WHERE nationkey < 7 " + "INTERSECT SELECT regionkey FROM nation WHERE nationkey > 21) " + "UNION ALL SELECT 3"); assertQuery("SELECT * FROM (VALUES 1, 2) " + "INTERSECT SELECT * FROM (VALUES 1.0, 2)", "VALUES 1.0, 2.0"); assertQuery("SELECT NULL, NULL INTERSECT SELECT NULL, NULL FROM nation"); MaterializedResult emptyResult = computeActual( "SELECT 100 INTERSECT (SELECT regionkey FROM nation WHERE nationkey <10)"); assertEquals(emptyResult.getMaterializedRows().size(), 0); } @Test public void testIntersectWithAggregation() { assertQuery( "SELECT COUNT(*) FROM nation INTERSECT SELECT COUNT(regionkey) FROM nation HAVING SUM(regionkey) IS NOT NULL"); assertQuery( "SELECT SUM(nationkey), COUNT(name) FROM (SELECT nationkey,name FROM nation INTERSECT SELECT regionkey, name FROM nation) n"); assertQuery( "SELECT COUNT(*) * 2 FROM nation INTERSECT (SELECT SUM(nationkey) FROM nation GROUP BY regionkey ORDER BY 1 LIMIT 2)"); assertQuery( "SELECT COUNT(a) FROM (SELECT nationkey AS a FROM (SELECT nationkey FROM nation INTERSECT SELECT regionkey FROM nation) n1 INTERSECT SELECT regionkey FROM nation) n2"); assertQuery( "SELECT COUNT(*), SUM(2), regionkey FROM (SELECT nationkey, regionkey FROM nation INTERSECT SELECT regionkey, regionkey FROM nation) n GROUP BY regionkey"); assertQuery( "SELECT COUNT(*) FROM (SELECT nationkey FROM nation INTERSECT SELECT 2) n1 INTERSECT SELECT regionkey FROM nation"); } @Test public void testIntersectAllFails() { assertQueryFails("SELECT * FROM (VALUES 1, 2, 3, 4) INTERSECT ALL SELECT * FROM (VALUES 3, 4)", "line 1:35: INTERSECT ALL not yet implemented"); } @Test public void testExcept() { assertQuery("SELECT regionkey FROM nation WHERE nationkey < 7 " + "EXCEPT SELECT regionkey FROM nation WHERE nationkey > 21"); assertQuery("SELECT regionkey FROM nation WHERE nationkey < 7 " + "EXCEPT DISTINCT SELECT regionkey FROM nation WHERE nationkey > 21", "VALUES 0, 4"); assertQuery("WITH wnation AS (SELECT nationkey, regionkey FROM nation) " + "SELECT regionkey FROM wnation WHERE nationkey < 7 " + "EXCEPT SELECT regionkey FROM wnation WHERE nationkey > 21", "VALUES 0, 4"); assertQuery("SELECT num FROM (SELECT 1 AS num FROM nation WHERE nationkey=10 " + "EXCEPT SELECT 2 FROM nation WHERE nationkey=20) T"); assertQuery("SELECT nationkey, nationkey / 2 FROM (SELECT nationkey FROM nation WHERE nationkey < 10 " + "EXCEPT SELECT nationkey FROM nation WHERE nationkey > 4) T WHERE nationkey % 2 = 0"); assertQuery("SELECT regionkey FROM (SELECT regionkey FROM nation WHERE nationkey < 7 " + "EXCEPT SELECT regionkey FROM nation WHERE nationkey > 21) " + "UNION SELECT 3"); assertQuery("SELECT regionkey FROM (SELECT regionkey FROM nation WHERE nationkey < 7 " + "UNION SELECT regionkey FROM nation WHERE nationkey > 21) " + "EXCEPT SELECT 1"); assertQuery("SELECT regionkey FROM (SELECT regionkey FROM nation WHERE nationkey < 7 " + "EXCEPT SELECT regionkey FROM nation WHERE nationkey > 21) " + "UNION ALL SELECT 4"); assertQuery("SELECT * FROM (VALUES 1, 2) " + "EXCEPT SELECT * FROM (VALUES 3.0, 2)"); assertQuery("SELECT NULL, NULL EXCEPT SELECT NULL, NULL FROM nation"); assertQuery("(SELECT * FROM (VALUES 1) EXCEPT SELECT * FROM (VALUES 0))" + "EXCEPT (SELECT * FROM (VALUES 1) EXCEPT SELECT * FROM (VALUES 1))"); MaterializedResult emptyResult = computeActual( "SELECT 0 EXCEPT (SELECT regionkey FROM nation WHERE nationkey <10)"); assertEquals(emptyResult.getMaterializedRows().size(), 0); } @Test public void testExceptWithAggregation() { assertQuery( "SELECT COUNT(*) FROM nation EXCEPT SELECT COUNT(regionkey) FROM nation WHERE regionkey < 3 HAVING SUM(regionkey) IS NOT NULL"); assertQuery( "SELECT SUM(nationkey), COUNT(name) FROM (SELECT nationkey, name FROM nation WHERE nationkey < 6 EXCEPT SELECT regionkey, name FROM nation) n"); assertQuery( "(SELECT SUM(nationkey) FROM nation GROUP BY regionkey ORDER BY 1 LIMIT 2) EXCEPT SELECT COUNT(*) * 2 FROM nation"); assertQuery( "SELECT COUNT(a) FROM (SELECT nationkey AS a FROM (SELECT nationkey FROM nation EXCEPT SELECT regionkey FROM nation) n1 EXCEPT SELECT regionkey FROM nation) n2"); assertQuery( "SELECT COUNT(*), SUM(2), regionkey FROM (SELECT nationkey, regionkey FROM nation EXCEPT SELECT regionkey, regionkey FROM nation) n GROUP BY regionkey HAVING regionkey < 3"); assertQuery( "SELECT COUNT(*) FROM (SELECT nationkey FROM nation EXCEPT SELECT 10) n1 EXCEPT SELECT regionkey FROM nation"); } @Test public void testExceptAllFails() { assertQueryFails("SELECT * FROM (VALUES 1, 2, 3, 4) EXCEPT ALL SELECT * FROM (VALUES 3, 4)", "line 1:35: EXCEPT ALL not yet implemented"); } @Test public void testSelectWithComparison() { assertQuery("SELECT orderkey FROM lineitem WHERE tax < discount"); } @Test public void testInlineView() { assertQuery("SELECT orderkey, custkey FROM (SELECT orderkey, custkey FROM orders) U"); } @Test public void testAliasedInInlineView() { assertQuery("SELECT x, y FROM (SELECT orderkey x, custkey y FROM orders) U"); } @Test public void testInlineViewWithProjections() { assertQuery("SELECT x + 1, y FROM (SELECT orderkey * 10 x, custkey y FROM orders) u"); } @Test public void testJoinWithLessThanInJoinClause() { assertQuery( "SELECT n.nationkey, r.regionkey FROM region r JOIN nation n ON n.regionkey = r.regionkey AND n.name < r.name"); assertQuery( "SELECT l.suppkey, n.nationkey, l.partkey, n.regionkey FROM nation n JOIN lineitem l ON l.suppkey = n.nationkey AND l.partkey < n.regionkey"); // test with single null value in build side assertQuery( "SELECT b FROM nation n, (VALUES (0, CAST(-1 AS BIGINT)), (0, NULL), (0, CAST(0 AS BIGINT))) t(a, b) WHERE n.regionkey - 100 < t.b AND n.nationkey = t.a", "VALUES -1, 0"); // test with single (first) null value in build side assertQuery( "SELECT b FROM nation n, (VALUES (0, NULL), (0, CAST(-1 AS BIGINT)), (0, CAST(0 AS BIGINT))) t(a, b) WHERE n.regionkey - 100 < t.b AND n.nationkey = t.a", "VALUES -1, 0"); // test with multiple null values in build side assertQuery( "SELECT b FROM nation n, (VALUES (0, NULL), (0, NULL), (0, CAST(-1 AS BIGINT)), (0, NULL)) t(a, b) WHERE n.regionkey - 100 < t.b AND n.nationkey = t.a", "VALUES -1"); // test with only null value in build side assertQuery( "SELECT b FROM nation n, (VALUES (0, NULL)) t(a, b) WHERE n.regionkey - 100 < t.b AND n.nationkey = t.a", "SELECT 1 WHERE FALSE"); // test with function predicate in ON clause assertQuery( "SELECT n.nationkey, r.regionkey FROM nation n JOIN region r ON n.regionkey = r.regionkey AND length(n.name) < length(substr(r.name, 5))"); assertQuery("SELECT * FROM " + "(VALUES (1,1),(2,1)) t1(a,b), " + "(VALUES (1,1),(1,2),(2,1)) t2(x,y) " + "WHERE a=x and b<=y", "VALUES (1,1,1,1), (1,1,1,2), (2,1,2,1)"); assertQuery("SELECT * FROM " + "(VALUES (1,1),(2,1)) t1(a,b), " + "(VALUES (1,1),(1,2),(2,1)) t2(x,y) " + "WHERE a=x and b<y", "VALUES (1,1,1,2)"); } @Test public void testJoinWithGreaterThanInJoinClause() { assertQuery( "SELECT n.nationkey, r.regionkey FROM region r JOIN nation n ON n.regionkey = r.regionkey AND n.name > r.name AND r.regionkey = 0"); assertQuery( "SELECT l.suppkey, n.nationkey, l.partkey, n.regionkey FROM nation n JOIN lineitem l ON l.suppkey = n.nationkey AND l.partkey > n.regionkey"); // test with single null value in build side assertQuery( "SELECT b FROM nation n, (VALUES (0, CAST(-1 AS BIGINT)), (0, NULL), (0, CAST(0 AS BIGINT))) t(a, b) WHERE n.regionkey + 100 > t.b AND n.nationkey = t.a", "VALUES -1, 0"); // test with single (first) null value in build side assertQuery( "SELECT b FROM nation n, (VALUES (0, NULL), (0, CAST(-1 AS BIGINT)), (0, CAST(0 AS BIGINT))) t(a, b) WHERE n.regionkey + 100 > t.b AND n.nationkey = t.a", "VALUES -1, 0"); // test with multiple null values in build side assertQuery( "SELECT b FROM nation n, (VALUES (0, NULL), (0, NULL), (0, CAST(-1 AS BIGINT)), (0, NULL)) t(a, b) WHERE n.regionkey + 100 > t.b AND n.nationkey = t.a", "VALUES -1"); // test with only null value in build side assertQuery( "SELECT b FROM nation n, (VALUES (0, NULL)) t(a, b) WHERE n.regionkey + 100 > t.b AND n.nationkey = t.a", "SELECT 1 WHERE FALSE"); /// test with function predicate in ON clause assertQuery( "SELECT n.nationkey, r.regionkey FROM nation n JOIN region r ON n.regionkey = r.regionkey AND length(n.name) > length(substr(r.name, 5))"); assertQuery("SELECT * FROM " + "(VALUES (1,1),(2,1)) t1(a,b), " + "(VALUES (1,1),(1,2),(2,1)) t2(x,y) " + "WHERE a=x and b>=y", "VALUES (1,1,1,1), (2,1,2,1)"); assertQuery("SELECT * FROM " + "(VALUES (1,1),(2,1)) t1(a,b), " + "(VALUES (1,1),(1,2),(2,1)) t2(x,y) " + "WHERE a=x and b>y", "SELECT 1 WHERE FALSE"); } @Test public void testJoinWithRangePredicatesinJoinClause() { assertQuery("SELECT COUNT(*) " + "FROM (SELECT * FROM lineitem WHERE orderkey % 16 = 0 AND partkey % 2 = 0) lineitem " + "JOIN (SELECT * FROM orders WHERE orderkey % 16 = 0 AND custkey % 2 = 0) orders " + "ON lineitem.orderkey % 8 = orders.orderkey % 8 AND lineitem.linenumber % 2 = 0 " + "AND orders.custkey % 8 < 7 AND lineitem.suppkey % 10 < orders.custkey % 7 AND lineitem.suppkey % 7 > orders.custkey % 7"); assertQuery("SELECT COUNT(*) " + "FROM (SELECT * FROM lineitem WHERE orderkey % 16 = 0 AND partkey % 2 = 0) lineitem " + "JOIN (SELECT * FROM orders WHERE orderkey % 16 = 0 AND custkey % 2 = 0) orders " + "ON lineitem.orderkey % 8 = orders.orderkey % 8 AND lineitem.linenumber % 2 = 0 " + "AND orders.custkey % 8 < lineitem.linenumber % 2 AND lineitem.suppkey % 10 < orders.custkey % 7 AND lineitem.suppkey % 7 > orders.custkey % 7"); } @Test public void testJoinWithMultipleLessThanPredicatesDifferentOrders() { // test that fast inequality join is not sensitive to order of search conjuncts. assertQuery( "SELECT count(*) FROM lineitem l JOIN nation n ON l.suppkey % 5 = n.nationkey % 5 AND l.partkey % 3 < n.regionkey AND l.partkey % 3 + 1 < n.regionkey AND l.partkey % 3 + 2 < n.regionkey"); assertQuery( "SELECT count(*) FROM lineitem l JOIN nation n ON l.suppkey % 5 = n.nationkey % 5 AND l.partkey % 3 + 2 < n.regionkey AND l.partkey % 3 + 1 < n.regionkey AND l.partkey % 3 < n.regionkey"); assertQuery( "SELECT count(*) FROM lineitem l JOIN nation n ON l.suppkey % 5 = n.nationkey % 5 AND l.partkey % 3 > n.regionkey AND l.partkey % 3 + 1 > n.regionkey AND l.partkey % 3 + 2 > n.regionkey"); assertQuery( "SELECT count(*) FROM lineitem l JOIN nation n ON l.suppkey % 5 = n.nationkey % 5 AND l.partkey % 3 + 2 > n.regionkey AND l.partkey % 3 + 1 > n.regionkey AND l.partkey % 3 > n.regionkey"); } @Test public void testJoinWithLessThanOnDatesInJoinClause() { assertQuery( "SELECT o.orderkey, o.orderdate, l.shipdate FROM orders o JOIN lineitem l ON l.orderkey = o.orderkey AND l.shipdate < o.orderdate + INTERVAL '10' DAY", "SELECT o.orderkey, o.orderdate, l.shipdate FROM orders o JOIN lineitem l ON l.orderkey = o.orderkey AND l.shipdate < DATEADD('DAY', 10, o.orderdate)"); assertQuery( "SELECT o.orderkey, o.orderdate, l.shipdate FROM lineitem l JOIN orders o ON l.orderkey = o.orderkey AND l.shipdate < DATE_ADD('DAY', 10, o.orderdate)", "SELECT o.orderkey, o.orderdate, l.shipdate FROM orders o JOIN lineitem l ON l.orderkey = o.orderkey AND l.shipdate < DATEADD('DAY', 10, o.orderdate)"); assertQuery( "SELECT o.orderkey, o.orderdate, l.shipdate FROM orders o JOIN lineitem l ON o.orderkey=l.orderkey AND o.orderdate + INTERVAL '2' DAY <= l.shipdate AND l.shipdate < o.orderdate + INTERVAL '7' DAY", "SELECT o.orderkey, o.orderdate, l.shipdate FROM orders o JOIN lineitem l ON o.orderkey=l.orderkey AND DATEADD('DAY', 2, o.orderdate) <= l.shipdate AND l.shipdate < DATEADD('DAY', 7, o.orderdate)"); } @Test public void testJoinWithNonDeterministicLessThan() { MaterializedRow actualRow = getOnlyElement( computeActual("SELECT count(*) FROM " + "customer c1 JOIN customer c2 ON c1.nationkey=c2.nationkey " + "WHERE c1.custkey - RANDOM(CAST(c1.custkey AS BIGINT)) < c2.custkey") .getMaterializedRows()); assertEquals(actualRow.getFieldCount(), 1); long actualCount = (Long) actualRow.getField(0); // this should be around ~69000 MaterializedRow expectedAtLeastRow = getOnlyElement( computeActual("SELECT count(*) FROM " + "customer c1 JOIN customer c2 ON c1.nationkey=c2.nationkey " + "WHERE c1.custkey < c2.custkey").getMaterializedRows()); assertEquals(expectedAtLeastRow.getFieldCount(), 1); long expectedAtLeastCount = (Long) expectedAtLeastRow.getField(0); // this is exactly 45022 // Technically non-deterministic unit test but has hopefully a next to impossible chance of a false positive assertTrue(actualCount > expectedAtLeastCount); } @Test public void testSimpleJoin() { assertQuery("SELECT COUNT(*) FROM lineitem JOIN orders ON lineitem.orderkey = orders.orderkey"); assertQuery("" + "SELECT COUNT(*) FROM " + "(SELECT orderkey FROM lineitem WHERE orderkey < 1000) a " + "JOIN " + "(SELECT orderkey FROM orders WHERE orderkey < 2000) b " + "ON NOT (a.orderkey <= b.orderkey)"); } @Test public void testJoinWithRightConstantEquality() { assertQuery("SELECT COUNT(*) FROM lineitem JOIN orders ON lineitem.orderkey = 2"); } @Test public void testJoinWithLeftConstantEquality() { assertQuery("SELECT COUNT(*) FROM lineitem JOIN orders ON orders.orderkey = 2"); } @Test public void testSimpleJoinWithLeftConstantEquality() { assertQuery( "SELECT COUNT(*) FROM lineitem JOIN orders ON lineitem.orderkey = orders.orderkey AND orders.orderkey = 2"); } @Test public void testSimpleJoinWithRightConstantEquality() { assertQuery( "SELECT COUNT(*) FROM lineitem JOIN orders ON lineitem.orderkey = orders.orderkey AND lineitem.orderkey = 2"); } @Test public void testJoinDoubleClauseWithLeftOverlap() { // Checks to make sure that we properly handle duplicate field references in join clauses assertQuery( "SELECT COUNT(*) FROM lineitem JOIN orders ON lineitem.orderkey = orders.orderkey AND lineitem.orderkey = orders.custkey"); } @Test public void testJoinDoubleClauseWithRightOverlap() { // Checks to make sure that we properly handle duplicate field references in join clauses assertQuery( "SELECT COUNT(*) FROM lineitem JOIN orders ON lineitem.orderkey = orders.orderkey AND orders.orderkey = lineitem.partkey"); } @Test public void testJoinWithAlias() { assertQuery("SELECT * FROM (lineitem JOIN orders ON lineitem.orderkey = orders.orderkey) x"); } @Test public void testJoinWithConstantExpression() { assertQuery( "SELECT COUNT(*) FROM lineitem JOIN orders ON lineitem.orderkey = orders.orderkey AND 123 = 123"); } @Test public void testJoinWithConstantTrueExpressionWithCoercion() { // Covers https://github.com/prestodb/presto/issues/7520 assertQuery( "SELECT count(*) > 0 FROM nation JOIN region ON (cast(1.2 AS real) = CAST(1.2 AS decimal(2,1)))"); } @Test public void testJoinWithCanonicalizedConstantTrueExpressionWithCoercion() { // Covers https://github.com/prestodb/presto/issues/7520 assertQuery( "SELECT count(*) > 0 FROM nation JOIN region ON CAST((CASE WHEN (TRUE IS NOT NULL) THEN '1.2' ELSE '1.2' END) AS real) = CAST(1.2 AS decimal(2,1))"); } @Test public void testJoinWithConstantPredicatePushDown() { assertQuery("" + "SELECT\n" + " a.orderstatus\n" + " , a.clerk\n" + "FROM (\n" + " SELECT DISTINCT orderstatus, clerk FROM orders\n" + ") a\n" + "INNER JOIN (\n" + " SELECT DISTINCT orderstatus, clerk FROM orders\n" + ") b\n" + "ON\n" + " a.orderstatus = b.orderstatus\n" + " and a.clerk = b.clerk\n" + "where a.orderstatus = 'F'\n"); } @Test public void testJoinWithInferredFalseJoinClause() { assertQuery("" + "SELECT COUNT(*)\n" + "FROM orders\n" + "JOIN lineitem\n" + "ON CAST(orders.orderkey AS VARCHAR) = CAST(lineitem.orderkey AS VARCHAR)\n" + "WHERE orders.orderkey = 1 AND lineitem.orderkey = 2\n"); } @Test public void testJoinUsing() { assertQuery("SELECT COUNT(*) FROM lineitem JOIN orders USING (orderkey)", "SELECT COUNT(*) FROM lineitem JOIN orders ON lineitem.orderkey = orders.orderkey"); } @Test public void testJoinCriteriaCoercion() { assertQuery("SELECT * FROM (VALUES (1.0, 2.0)) x (a, b) JOIN (VALUES (1, 3)) y (a, b) ON x.a = y.a", "VALUES (1.0, 2.0, 1, 3)"); assertQuery( "SELECT * FROM (VALUES (1, 2)) x (a, b) JOIN (VALUES (SMALLINT '1', SMALLINT '3')) y (a, b) ON x.a = y.a", "VALUES (1, 2, 1, 3)"); // short decimal, long decimal assertQuery(format("SELECT * FROM " + " (VALUES (CAST(1 AS DECIMAL(%1$d,0)), 2)) x (a, b) , " + " (VALUES (CAST(0 AS DECIMAL(%1$d,0)), SMALLINT '3')) y (a, b) " + " WHERE x.a = y.a + 1", Decimals.MAX_SHORT_PRECISION), "VALUES (1, 2, 0, 3)"); assertQuery(format("SELECT * FROM " + " (VALUES (CAST(1 AS DECIMAL(%1$d,0)), 2)) x (a, b) " + " INNER JOIN " + " (VALUES (CAST(0 AS DECIMAL(%1$d,0)), SMALLINT '3')) y (a, b) " + " ON x.a = y.a + 1", Decimals.MAX_SHORT_PRECISION), "VALUES (1, 2, 0, 3)"); assertQuery(format("SELECT * FROM " + " (VALUES (CAST(1 AS DECIMAL(%1$d,0)), 2)) x (a, b) " + " LEFT JOIN (VALUES (CAST(0 AS DECIMAL(%1$d,0)), SMALLINT '3')) y (a, b) " + " ON x.a = y.a + 1", Decimals.MAX_SHORT_PRECISION), "VALUES (1, 2, 0, 3)"); assertQuery(format( "SELECT * FROM " + " (VALUES CAST(1 AS decimal(%d,0))) t1 (a), " + " (VALUES CAST(1 AS decimal(%d,0))) t2 (b) " + " WHERE a = b", Decimals.MAX_SHORT_PRECISION, Decimals.MAX_SHORT_PRECISION + 1), "VALUES (1, 1)"); } @Test public void testJoinWithReversedComparison() { assertQuery("SELECT COUNT(*) FROM lineitem JOIN orders ON orders.orderkey = lineitem.orderkey"); } @Test public void testJoinWithComplexExpressions() { assertQuery( "SELECT SUM(custkey) FROM lineitem JOIN orders ON lineitem.orderkey = CAST(orders.orderkey AS BIGINT)"); } @Test public void testJoinWithComplexExpressions2() { assertQuery( "SELECT SUM(custkey) FROM lineitem JOIN orders ON lineitem.orderkey = CASE WHEN orders.custkey = 1 and orders.orderstatus = 'F' THEN orders.orderkey ELSE NULL END"); } @Test public void testJoinWithComplexExpressions3() { assertQuery("SELECT SUM(custkey) FROM lineitem JOIN orders ON lineitem.orderkey + 1 = orders.orderkey + 1", // H2 takes a million years because it can't join efficiently on a non-indexed field/expression "SELECT SUM(custkey) FROM lineitem JOIN orders ON lineitem.orderkey = orders.orderkey "); } @Test public void testJoinWithNormalization() { assertQuery( "SELECT COUNT(*) FROM nation a JOIN nation b on not ((a.nationkey + b.nationkey) <> b.nationkey)"); assertQuery("SELECT COUNT(*) FROM nation a JOIN nation b on not (a.nationkey <> b.nationkey)"); assertQuery("SELECT COUNT(*) FROM nation a JOIN nation b on not (a.nationkey = b.nationkey)"); assertQuery("SELECT COUNT(*) FROM nation a JOIN nation b on not (not CAST(a.nationkey AS boolean))"); assertQuery("SELECT COUNT(*) FROM nation a JOIN nation b on not not not (a.nationkey = b.nationkey)"); } @Test public void testSelfJoin() { assertQuery("SELECT COUNT(*) FROM orders a JOIN orders b on a.orderkey = b.orderkey"); } @Test public void testWildcardFromJoin() { assertQuery( "SELECT * FROM (SELECT orderkey, partkey FROM lineitem) a JOIN (SELECT orderkey, custkey FROM orders) b using (orderkey)", "SELECT a.orderkey, a.partkey, b.custkey FROM (SELECT orderkey, partkey FROM lineitem) a JOIN (SELECT orderkey, custkey FROM orders) b on a.orderkey = b.orderkey"); } @Test public void testQualifiedWildcardFromJoin() { assertQuery( "SELECT a.*, b.* FROM (SELECT orderkey, partkey FROM lineitem) a JOIN (SELECT orderkey, custkey FROM orders) b using (orderkey)", "SELECT a.partkey, b.custkey FROM (SELECT orderkey, partkey FROM lineitem) a JOIN (SELECT orderkey, custkey FROM orders) b on a.orderkey = b.orderkey"); } @Test public void testJoinAggregations() { assertQuery("SELECT x + y FROM (" + " SELECT orderdate, COUNT(*) x FROM orders GROUP BY orderdate) a JOIN (" + " SELECT orderdate, COUNT(*) y FROM orders GROUP BY orderdate) b ON a.orderdate = b.orderdate"); } @Test public void testNonEqualityJoin() { assertQuery( "SELECT COUNT(*) FROM lineitem JOIN orders ON lineitem.orderkey = orders.orderkey AND lineitem.quantity + length(orders.comment) > 7"); assertQuery( "SELECT COUNT(*) FROM lineitem JOIN orders ON lineitem.orderkey = orders.orderkey AND NOT lineitem.quantity > 2"); assertQuery( "SELECT COUNT(*) FROM lineitem JOIN orders ON NOT NOT lineitem.orderkey = orders.orderkey AND NOT NOT lineitem.quantity > 2"); assertQuery( "SELECT COUNT(*) FROM lineitem JOIN orders ON lineitem.orderkey = orders.orderkey AND NOT NOT NOT lineitem.quantity > 2"); assertQuery( "SELECT COUNT(*) FROM lineitem JOIN orders ON lineitem.orderkey = orders.orderkey AND lineitem.quantity > 2"); assertQuery( "SELECT COUNT(*) FROM lineitem JOIN orders ON lineitem.orderkey = orders.orderkey AND lineitem.quantity <= 2"); assertQuery( "SELECT COUNT(*) FROM lineitem JOIN orders ON lineitem.orderkey = orders.orderkey AND lineitem.quantity != 2"); assertQuery( "SELECT COUNT(*) FROM lineitem JOIN orders ON lineitem.orderkey = orders.orderkey AND lineitem.shipdate > orders.orderdate"); assertQuery( "SELECT COUNT(*) FROM lineitem JOIN orders ON lineitem.orderkey = orders.orderkey AND orders.orderdate < lineitem.shipdate"); assertQuery( "SELECT COUNT(*) FROM lineitem JOIN orders ON lineitem.orderkey = orders.orderkey AND orders.comment LIKE '%forges%'"); assertQuery( "SELECT COUNT(*) FROM lineitem JOIN orders ON lineitem.orderkey = orders.orderkey AND orders.comment LIKE lineitem.comment"); assertQuery( "SELECT COUNT(*) FROM lineitem JOIN orders ON lineitem.orderkey = orders.orderkey AND lineitem.comment LIKE '%forges%'"); assertQuery( "SELECT COUNT(*) FROM lineitem JOIN orders ON lineitem.orderkey = orders.orderkey AND lineitem.comment LIKE orders.comment"); assertQuery( "SELECT COUNT(*) FROM lineitem JOIN orders ON lineitem.orderkey = orders.orderkey AND orders.comment NOT LIKE '%forges%'"); assertQuery( "SELECT COUNT(*) FROM lineitem JOIN orders ON lineitem.orderkey = orders.orderkey AND orders.comment NOT LIKE lineitem.comment"); assertQuery( "SELECT COUNT(*) FROM lineitem JOIN orders ON lineitem.orderkey = orders.orderkey AND NOT (orders.comment LIKE '%forges%')"); assertQuery( "SELECT COUNT(*) FROM lineitem JOIN orders ON lineitem.orderkey = orders.orderkey AND NOT (orders.comment LIKE lineitem.comment)"); assertQuery( "SELECT COUNT(*) FROM lineitem JOIN orders ON lineitem.orderkey = orders.orderkey AND lineitem.quantity + length(orders.comment) > 7"); assertQuery("SELECT COUNT(*) FROM lineitem JOIN orders ON lineitem.orderkey = orders.orderkey AND NULL"); assertQuery("SELECT * FROM (VALUES 1, 2) t1(a) JOIN (VALUES 10, 11) t2(b) ON a > 1", "VALUES (2, 11), (2, 10)"); assertQuery("SELECT COUNT(*) FROM (VALUES 1, 2) t1(a) JOIN (VALUES 10, 11) t2(b) ON a > 2", "VALUES (0)"); assertQuery("SELECT * FROM (VALUES 1, 2) t1(a) JOIN (VALUES 10, 11) t2(b) ON a+9 > b", "VALUES (2, 10)"); } @Test public void testNonEqualityLeftJoin() { assertQuery( "SELECT COUNT(*) FROM " + " (SELECT * FROM lineitem ORDER BY orderkey,linenumber LIMIT 5) l " + " LEFT OUTER JOIN " + " (SELECT * FROM orders ORDER BY orderkey LIMIT 5) o " + " ON " + " o.custkey != 1000 WHERE o.orderkey IS NULL"); assertQuery( "SELECT COUNT(*) FROM lineitem LEFT OUTER JOIN orders ON lineitem.orderkey = orders.orderkey AND orders.custkey > 1000 WHERE orders.orderkey IS NULL"); assertQuery( "SELECT COUNT(*) FROM lineitem LEFT OUTER JOIN orders ON lineitem.orderkey = orders.orderkey AND orders.custkey > 1000.0 WHERE orders.orderkey IS NULL"); assertQuery( "SELECT COUNT(*) FROM lineitem LEFT OUTER JOIN orders ON lineitem.orderkey = orders.orderkey AND orders.custkey > orders.totalprice WHERE orders.orderkey IS NULL"); assertQuery( "SELECT COUNT(*) FROM lineitem LEFT OUTER JOIN orders ON lineitem.orderkey = orders.orderkey AND orders.custkey > lineitem.quantity WHERE orders.orderkey IS NULL"); assertQuery( "SELECT COUNT(*) FROM lineitem LEFT OUTER JOIN orders ON lineitem.orderkey = orders.orderkey AND lineitem.quantity > 5 WHERE orders.orderkey IS NULL"); assertQuery( "SELECT * FROM (VALUES (1,1), (1,2)) t1(a,b) LEFT OUTER JOIN (VALUES (1,1), (1,2)) t2(c,d) ON a=c AND b > d", "VALUES (1, 2, 1, 1), (1, 1, NULL, NULL)"); assertQuery( "SELECT * FROM (VALUES (1,1), (1,2)) t1(a,b) LEFT OUTER JOIN (VALUES (1,1), (1,2)) t2(c,d) ON a=c AND b < d", "VALUES (1, 1, 1, 2), (1, 2, NULL, NULL)"); assertQuery( "SELECT * FROM (VALUES (1,1), (1,2)) t1(a,b) LEFT OUTER JOIN (VALUES (1,1), (1,2)) t2(c,d) ON a=c AND b > 2", "VALUES (1, 1, NULL, NULL), (1, 2, NULL, NULL)"); assertQuery( "SELECT * FROM (VALUES (1,1), (1,2)) t1(a,b) LEFT OUTER JOIN (VALUES (1,1), (1,2)) t2(c,d) ON a=c AND d > 2", "VALUES (1, 1, NULL, NULL), (1, 2, NULL, NULL)"); assertQuery( "SELECT * FROM (VALUES (1,1), (1,2)) t1(a,b) LEFT OUTER JOIN (VALUES (1,1), (1,2)) t2(c,d) ON a=c AND b > 0", "VALUES (1, 1, 1, 1), (1, 1, 1, 2), (1, 2, 1, 1), (1, 2, 1, 2)"); assertQuery( "SELECT * FROM (VALUES (1,1), (1,2)) t1(a,b) LEFT OUTER JOIN (VALUES (1,1), (1,2)) t2(c,d) ON a=c AND d > 0", "VALUES (1, 1, 1, 1), (1, 1, 1, 2), (1, 2, 1, 1), (1, 2, 1, 2)"); assertQuery( "SELECT * FROM (VALUES (1,1), (1,2)) t1(a,b) LEFT OUTER JOIN (VALUES (1,1), (1,2)) t2(c,d) ON a=c AND c = d", "VALUES (1, 1, 1, 1), (1, 2, 1, 1)"); assertQuery( "SELECT * FROM (VALUES (1,1), (1,2)) t1(a,b) LEFT OUTER JOIN (VALUES (1,1), (1,2)) t2(c,d) ON a=c AND c < d", "VALUES (1, 1, 1, 2), (1, 2, 1, 2)"); assertQuery( "SELECT * FROM (VALUES (1,1), (1,2)) t1(a,b) LEFT OUTER JOIN (VALUES (1,1), (1,2)) t2(c,d) ON c = d", "VALUES (1, 1, 1, 1), (1, 2, 1, 1)"); assertQuery( "SELECT * FROM (VALUES (1,1), (1,2)) t1(a,b) LEFT OUTER JOIN (VALUES (1,1), (1,2)) t2(c,d) ON c < d", "VALUES (1, 1, 1, 2), (1, 2, 1, 2)"); assertQuery("SELECT * FROM (VALUES 1, 2) t1(a) LEFT OUTER JOIN (VALUES 10, 11) t2(b) ON 1 = 1", "VALUES (1, 10), (1, 11), (2, 10), (2, 11)"); assertQuery("SELECT * FROM (VALUES 1, 2) t1(a) LEFT OUTER JOIN (VALUES 10, 11) t2(b) ON a > 1", "VALUES (1, NULL), (2, 11), (2, 10)"); assertQuery("SELECT * FROM (VALUES 1, 2) t1(a) LEFT OUTER JOIN (VALUES 10, 11) t2(b) ON b > 10", "VALUES (1, 11), (2, 11)"); assertQuery("SELECT * FROM (VALUES 1, 2) t1(a) LEFT OUTER JOIN (VALUES 10, 11) t2(b) ON a > b", "VALUES (1, NULL), (2, NULL)"); assertQuery("SELECT * FROM (VALUES 1, 2) t1(a) LEFT OUTER JOIN (VALUES 10, 11) t2(b) ON a < b", "VALUES (1, 10), (1, 11), (2, 10), (2, 11)"); assertQuery( "SELECT * FROM (VALUES 1) t1(a) LEFT OUTER JOIN (VALUES (1,2,2), (1,2,3), (1, 2, NULL)) t2(x,y,z) ON a=x AND y = z", "VALUES (1, 1, 2, 2)"); // left join which gets converted to inner join without equality conditions. // all symbols pruned by original join assertQuery( "SELECT 1 FROM (VALUES 1, 20) t1(a) LEFT OUTER JOIN (VALUES 10, 11) t2(b) ON a > b WHERE b IS NOT NULL", "VALUES (1), (1)"); } @Test public void testNonEqalityJoinWithScalarRequiringSessionParameter() { assertQuery( "SELECT * FROM (VALUES (1,1), (1,2)) t1(a,b) LEFT OUTER JOIN (VALUES (1,1), (1,2)) t2(c,d) ON a=c AND from_unixtime(b) > current_timestamp", "VALUES (1, 1, NULL, NULL), (1, 2, NULL, NULL)"); } @Test public void testNonEqualityJoinWithTryInFilter() { assertQuery( "SELECT * FROM (VALUES (1,1), (1,2)) t1(a,b) LEFT OUTER JOIN (VALUES (1,1), (1,2)) t2(c,d) " + " ON a=c AND TRY(1 / (b-a) != 1000)", "VALUES (1, 1, NULL, NULL), (1, 2, 1, 1), (1, 2, 1, 2)"); // use of scalar requiring session parameter within try assertQuery( "SELECT * FROM (VALUES (1,1), (1,2)) t1(a,b) LEFT OUTER JOIN (VALUES (1,1), (1,2)) t2(c,d) " + " ON a=c AND TRY(1 / (b-a) != 1000 OR from_unixtime(b) > current_timestamp)", "VALUES (1, 1, NULL, NULL), (1, 2, 1, 1), (1, 2, 1, 2)"); } @Test public void testLeftJoinWithEmptyInnerTable() { // Use orderkey = rand() to create an empty relation assertQuery( "SELECT * FROM lineitem a LEFT JOIN (SELECT * FROM orders WHERE orderkey = rand()) b ON a.orderkey = b.orderkey"); assertQuery( "SELECT * FROM lineitem a LEFT JOIN (SELECT * FROM orders WHERE orderkey = rand()) b ON a.orderkey > b.orderkey"); assertQuery("SELECT * FROM lineitem a LEFT JOIN (SELECT * FROM orders WHERE orderkey = rand()) b ON 1 = 1"); assertQuery( "SELECT * FROM lineitem a LEFT JOIN (SELECT * FROM orders WHERE orderkey = rand()) b ON b.orderkey > 1"); assertQuery( "SELECT * FROM lineitem a LEFT JOIN (SELECT * FROM orders WHERE orderkey = rand()) b ON b.orderkey > b.totalprice"); } @Test public void testRightJoinWithEmptyInnerTable() { // Use orderkey = rand() to create an empty relation assertQuery( "SELECT * FROM orders b RIGHT JOIN (SELECT * FROM orders WHERE orderkey = rand()) a ON a.orderkey = b.orderkey"); assertQuery( "SELECT * FROM orders b LEFT JOIN (SELECT * FROM orders WHERE orderkey = rand()) a ON a.orderkey > b.orderkey"); assertQuery("SELECT * FROM orders b LEFT JOIN (SELECT * FROM orders WHERE orderkey = rand()) a ON 1 = 1"); assertQuery( "SELECT * FROM orders b LEFT JOIN (SELECT * FROM orders WHERE orderkey = rand()) a ON b.orderkey > 1"); assertQuery( "SELECT * FROM orders b LEFT JOIN (SELECT * FROM orders WHERE orderkey = rand()) a ON b.orderkey > b.totalprice"); } @Test public void testNonEqualityRightJoin() { assertQuery( "SELECT COUNT(*) FROM " + " (SELECT * FROM lineitem ORDER BY orderkey,linenumber LIMIT 5) l " + " RIGHT OUTER JOIN " + " (SELECT * FROM orders ORDER BY orderkey LIMIT 5) o " + " ON " + " l.quantity != 5 WHERE l.orderkey IS NULL"); assertQuery( "SELECT COUNT(*) FROM lineitem RIGHT OUTER JOIN orders ON lineitem.orderkey = orders.orderkey AND lineitem.quantity > 5 WHERE lineitem.orderkey IS NULL"); assertQuery( "SELECT COUNT(*) FROM lineitem RIGHT OUTER JOIN orders ON lineitem.orderkey = orders.orderkey AND lineitem.quantity > 5.0 WHERE lineitem.orderkey IS NULL"); assertQuery( "SELECT COUNT(*) FROM lineitem RIGHT OUTER JOIN orders ON lineitem.orderkey = orders.orderkey AND lineitem.quantity > lineitem.suppkey WHERE lineitem.orderkey IS NULL"); assertQuery( "SELECT COUNT(*) FROM lineitem RIGHT OUTER JOIN orders ON lineitem.orderkey = orders.orderkey AND lineitem.quantity*1000 > orders.totalprice WHERE lineitem.orderkey IS NULL"); assertQuery( "SELECT COUNT(*) FROM lineitem RIGHT OUTER JOIN orders ON lineitem.orderkey = orders.orderkey AND orders.totalprice > 1000 WHERE lineitem.orderkey IS NULL"); assertQuery( "SELECT * FROM (VALUES (1,1), (1,2)) t1(a,b) RIGHT OUTER JOIN (VALUES (1,1), (1,2)) t2(c,d) ON a=c AND b > d", "VALUES (1, 2, 1, 1), (NULL, NULL, 1, 2)"); assertQuery( "SELECT * FROM (VALUES (1,1), (1,2)) t1(a,b) RIGHT OUTER JOIN (VALUES (1,1), (1,2)) t2(c,d) ON a=c AND b < d", "VALUES (1, 1, 1, 2), (NULL, NULL, 1, 1)"); assertQuery( "SELECT * FROM (VALUES (1,1), (1,2)) t1(a,b) RIGHT OUTER JOIN (VALUES (1,1), (1,2)) t2(c,d) ON a=c AND b > 2", "VALUES (NULL, NULL, 1, 1), (NULL, NULL, 1, 2)"); assertQuery( "SELECT * FROM (VALUES (1,1), (1,2)) t1(a,b) RIGHT OUTER JOIN (VALUES (1,1), (1,2)) t2(c,d) ON a=c AND d > 2", "VALUES (NULL, NULL, 1, 1), (NULL, NULL, 1, 2)"); assertQuery( "SELECT * FROM (VALUES (1,1), (1,2)) t1(a,b) RIGHT OUTER JOIN (VALUES (1,1), (1,2)) t2(c,d) ON a=c AND b > 0", "VALUES (1, 1, 1, 1), (1, 1, 1, 2), (1, 2, 1, 1), (1, 2, 1, 2)"); assertQuery( "SELECT * FROM (VALUES (1,1), (1,2)) t1(a,b) RIGHT OUTER JOIN (VALUES (1,1), (1,2)) t2(c,d) ON a=c AND d > 0", "VALUES (1, 1, 1, 1), (1, 1, 1, 2), (1, 2, 1, 1), (1, 2, 1, 2)"); assertQuery( "SELECT * FROM (VALUES (1,1), (1,2)) t1(a,b) RIGHT OUTER JOIN (VALUES (1,1), (1,2)) t2(c,d) ON a=c AND c = d", "VALUES (1, 2, 1, 1), (1, 1, 1, 1), (NULL, NULL, 1, 2)"); assertQuery( "SELECT * FROM (VALUES (1,1), (1,2)) t1(a,b) RIGHT OUTER JOIN (VALUES (1,1), (1,2)) t2(c,d) ON a=c AND c < d", "VALUES (NULL, NULL, 1, 1), (1, 2, 1, 2), (1, 1, 1, 2)"); assertQuery( "SELECT * FROM (VALUES (1,1), (1,2)) t1(a,b) RIGHT OUTER JOIN (VALUES (1,1), (1,2)) t2(c,d) ON c = d", "VALUES (1, 1, 1, 1), (1, 2, 1, 1), (NULL, NULL, 1, 2)"); assertQuery( "SELECT * FROM (VALUES (1,1), (1,2)) t1(a,b) RIGHT OUTER JOIN (VALUES (1,1), (1,2)) t2(c,d) ON c < d", "VALUES (NULL, NULL, 1, 1), (1, 1, 1, 2), (1, 2, 1, 2)"); assertQuery("SELECT * FROM (VALUES 1, 2) t1(a) RIGHT OUTER JOIN (VALUES 10, 11) t2(b) ON 1 = 1", "VALUES (1, 10), (1, 11), (2, 10), (2, 11)"); assertQuery("SELECT * FROM (VALUES 1, 2) t1(a) RIGHT OUTER JOIN (VALUES 10, 11) t2(b) ON a > 1", "VALUES (2, 11), (2, 10)"); assertQuery("SELECT * FROM (VALUES 1, 2) t1(a) RIGHT OUTER JOIN (VALUES 10, 11) t2(b) ON b > 10", "VALUES (NULL, 10), (1, 11), (2, 11)"); assertQuery("SELECT * FROM (VALUES 1, 2) t1(a) RIGHT OUTER JOIN (VALUES 10, 11) t2(b) ON a > b", "VALUES (NULL, 10), (NULL, 11)"); assertQuery("SELECT * FROM (VALUES 1, 2) t1(a) RIGHT OUTER JOIN (VALUES 10, 11) t2(b) ON a < b", "VALUES (1, 10), (1, 11), (2, 10), (2, 11)"); } @Test public void testJoinUsingSymbolsFromJustOneSideOfJoin() { assertQuery("SELECT b FROM (VALUES 1, 2) t1(a) RIGHT OUTER JOIN (VALUES 10, 11) t2(b) ON b > 10", "VALUES (10), (11), (11)"); assertQuery("SELECT a FROM (VALUES 1, 2) t1(a) RIGHT OUTER JOIN (VALUES 10, 11) t2(b) ON a > 1", "VALUES (2), (2)"); assertQuery("SELECT b FROM (VALUES 1, 2) t1(a) LEFT OUTER JOIN (VALUES 10, 11) t2(b) ON b > 10", "VALUES (11), (11)"); assertQuery("SELECT a FROM (VALUES 1, 2) t1(a) LEFT OUTER JOIN (VALUES 10, 11) t2(b) ON a > 1", "VALUES (1), (2), (2)"); assertQuery("SELECT a FROM (VALUES 1, 2) t1(a) JOIN (VALUES 10, 11) t2(b) ON a > 1", "VALUES (2), (2)"); assertQuery("SELECT b FROM (VALUES 1, 2) t1(a) JOIN (VALUES 10, 11) t2(b) ON b > 10", "VALUES (11), (11)"); } @Test public void testJoinsWithTrueJoinCondition() { // inner join assertQuery("SELECT * FROM (VALUES 0, 1) t1(a) JOIN (VALUES 10, 11) t2(b) ON TRUE", "VALUES (0, 10), (0, 11), (1, 10), (1, 11)"); assertQuery("SELECT * FROM (SELECT 1 WHERE FALSE) t1(a) JOIN (VALUES 10, 11) t2(b) ON TRUE", "SELECT 1 WHERE FALSE"); assertQuery("SELECT * FROM (VALUES 0, 1) t1(a) JOIN (SELECT 1 WHERE FALSE) t2(b) ON TRUE", "SELECT 1 WHERE FALSE"); assertQuery("SELECT * FROM (SELECT 1 WHERE FALSE) t1(a) JOIN (SELECT 1 WHERE FALSE) t2(b) ON TRUE", "SELECT 1 WHERE FALSE"); // left join assertQuery("SELECT * FROM (VALUES 0, 1) t1(a) LEFT JOIN (VALUES 10, 11) t2(b) ON TRUE", "VALUES (0, 10), (0, 11), (1, 10), (1, 11)"); assertQuery("SELECT * FROM (SELECT 1 WHERE FALSE) t1(a) LEFT JOIN (VALUES 10, 11) t2(b) ON TRUE", "SELECT 1 WHERE FALSE"); assertQuery("SELECT * FROM (VALUES 0, 1) t1(a) LEFT JOIN (SELECT 1 WHERE FALSE) t2(b) ON TRUE", "VALUES (0, NULL), (1, NULL)"); assertQuery("SELECT * FROM (SELECT 1 WHERE FALSE) t1(a) LEFT JOIN (SELECT 1 WHERE FALSE) t2(b) ON TRUE", "SELECT 1 WHERE FALSE"); // right join assertQuery("SELECT * FROM (VALUES 0, 1) t1(a) RIGHT JOIN (VALUES 10, 11) t2(b) ON TRUE", "VALUES (0, 10), (0, 11), (1, 10), (1, 11)"); assertQuery("SELECT * FROM (SELECT 1 WHERE FALSE) t1(a) RIGHT JOIN (VALUES 10, 11) t2(b) ON TRUE", "VALUES (NULL, 10), (NULL, 11)"); assertQuery("SELECT * FROM (VALUES 0, 1) t1(a) RIGHT JOIN (SELECT 1 WHERE FALSE) t2(b) ON TRUE", "SELECT 1 WHERE FALSE"); assertQuery("SELECT * FROM (SELECT 1 WHERE FALSE) t1(a) RIGHT JOIN (SELECT 1 WHERE FALSE) t2(b) ON TRUE", "SELECT 1 WHERE FALSE"); // full join assertQuery("SELECT * FROM (VALUES 0, 1) t1(a) FULL JOIN (VALUES 10, 11) t2(b) ON TRUE", "VALUES (0, 10), (0, 11), (1, 10), (1, 11)"); assertQuery("SELECT * FROM (SELECT 1 WHERE FALSE) t1(a) FULL JOIN (VALUES 10, 11) t2(b) ON TRUE", "VALUES (NULL, 10), (NULL, 11)"); assertQuery("SELECT * FROM (VALUES 0, 1) t1(a) FULL JOIN (SELECT 1 WHERE FALSE) t2(b) ON TRUE", "VALUES (0, NULL), (1, NULL)"); assertQuery("SELECT * FROM (SELECT 1 WHERE FALSE) t1(a) FULL JOIN (SELECT 1 WHERE FALSE) t2(b) ON TRUE", "SELECT 1 WHERE FALSE"); } @Test public void testNonEqualityFullJoin() { assertQuery( "SELECT COUNT(*) FROM lineitem FULL JOIN orders ON lineitem.orderkey = orders.orderkey AND lineitem.quantity > 5 WHERE lineitem.orderkey IS NULL OR orders.orderkey IS NULL", "SELECT COUNT(*) FROM " + "(SELECT lineitem.orderkey AS o1, orders.orderkey AS o2 FROM lineitem LEFT OUTER JOIN orders ON lineitem.orderkey = orders.orderkey AND lineitem.quantity > 5 " + " UNION ALL " + "SELECT lineitem.orderkey AS o1, orders.orderkey AS o2 FROM lineitem RIGHT OUTER JOIN orders ON lineitem.orderkey = orders.orderkey AND lineitem.quantity > 5 " + " WHERE lineitem.orderkey IS NULL) " + " WHERE o1 IS NULL OR o2 IS NULL"); assertQuery( "SELECT COUNT(*) FROM lineitem FULL OUTER JOIN orders ON lineitem.orderkey = orders.orderkey AND orders.custkey > 1000 WHERE lineitem.orderkey IS NULL OR orders.orderkey IS NULL", "SELECT COUNT(*) FROM " + "(SELECT lineitem.orderkey AS o1, orders.orderkey AS o2 FROM lineitem LEFT OUTER JOIN orders ON lineitem.orderkey = orders.orderkey AND orders.custkey > 1000 " + " UNION ALL " + "SELECT lineitem.orderkey AS o1, orders.orderkey AS o2 FROM lineitem RIGHT OUTER JOIN orders ON lineitem.orderkey = orders.orderkey AND orders.custkey > 1000 " + " WHERE lineitem.orderkey IS NULL) " + " WHERE o1 IS NULL OR o2 IS NULL"); assertQuery( "SELECT COUNT(*) FROM lineitem FULL OUTER JOIN orders ON lineitem.orderkey = orders.orderkey AND orders.custkey > lineitem.quantity WHERE lineitem.orderkey IS NULL OR orders.orderkey IS NULL", "SELECT COUNT(*) FROM " + "(SELECT lineitem.orderkey AS o1, orders.orderkey AS o2 FROM lineitem LEFT OUTER JOIN orders ON lineitem.orderkey = orders.orderkey AND orders.custkey > lineitem.quantity " + " UNION ALL " + "SELECT lineitem.orderkey AS o1, orders.orderkey AS o2 FROM lineitem RIGHT OUTER JOIN orders ON lineitem.orderkey = orders.orderkey AND orders.custkey > lineitem.quantity " + " WHERE lineitem.orderkey IS NULL) " + " WHERE o1 IS NULL OR o2 IS NULL"); assertQuery( "SELECT * FROM (VALUES (1,1), (1,2)) t1(a,b) FULL OUTER JOIN (VALUES (1,1), (1,2)) t2(c,d) ON a=c AND b > d", "VALUES (1, 2, 1, 1), (NULL, NULL, 1, 2), (1, 1, NULL, NULL)"); assertQuery( "SELECT * FROM (VALUES (1,1), (1,2)) t1(a,b) FULL OUTER JOIN (VALUES (1,1), (1,2)) t2(c,d) ON a=c AND b < d", "VALUES (1, 1, 1, 2), (NULL, NULL, 1, 1), (1, 2, NULL, NULL)"); assertQuery( "SELECT * FROM (VALUES (1,1), (1,2)) t1(a,b) FULL OUTER JOIN (VALUES (1,1), (1,2)) t2(c,d) ON a=c AND b > 2", "VALUES (NULL, NULL, 1, 1), (NULL, NULL, 1, 2), (1, 1, NULL, NULL), (1, 2, NULL, NULL)"); assertQuery( "SELECT * FROM (VALUES (1,1), (1,2)) t1(a,b) FULL OUTER JOIN (VALUES (1,1), (1,2)) t2(c,d) ON a=c AND d > 2", "VALUES (NULL, NULL, 1, 1), (NULL, NULL, 1, 2), (1, 1, NULL, NULL), (1, 2, NULL, NULL)"); assertQuery( "SELECT * FROM (VALUES (1,1), (1,2)) t1(a,b) FULL OUTER JOIN (VALUES (1,1), (1,2)) t2(c,d) ON a=c AND b > 0", "VALUES (1, 1, 1, 1), (1, 1, 1, 2), (1, 2, 1, 1), (1, 2, 1, 2)"); assertQuery( "SELECT * FROM (VALUES (1,1), (1,2)) t1(a,b) FULL OUTER JOIN (VALUES (1,1), (1,2)) t2(c,d) ON a=c AND d > 0", "VALUES (1, 1, 1, 1), (1, 1, 1, 2), (1, 2, 1, 1), (1, 2, 1, 2)"); assertQuery("SELECT * FROM (VALUES 1, 2) t1(a) FULL OUTER JOIN (VALUES 10, 11) t2(b) ON a > 1", "VALUES (2, 11), (2, 10), (1, NULL)"); assertQuery("SELECT * FROM (VALUES 1, 2) t1(a) FULL OUTER JOIN (VALUES 10, 11) t2(b) ON b > 10", "VALUES (NULL, 10), (1, 11), (2, 11)"); assertQuery("SELECT * FROM (VALUES 1, 2) t1(a) FULL OUTER JOIN (VALUES 10, 11) t2(b) ON a > b", "VALUES (NULL, 10), (NULL, 11), (1, NULL), (2, NULL)"); assertQuery("SELECT * FROM (VALUES 1, 2) t1(a) FULL OUTER JOIN (VALUES 10, 11) t2(b) ON a < b", "VALUES (1, 10), (1, 11), (2, 10), (2, 11)"); } @Test public void testJoinOnMultipleFields() { assertQuery( "SELECT COUNT(*) FROM lineitem JOIN orders ON lineitem.orderkey = orders.orderkey AND lineitem.shipdate = orders.orderdate"); } @Test public void testJoinUsingMultipleFields() { assertQuery( "SELECT COUNT(*) FROM lineitem JOIN (SELECT orderkey, orderdate shipdate FROM orders) T USING (orderkey, shipdate)", "SELECT COUNT(*) FROM lineitem JOIN orders ON lineitem.orderkey = orders.orderkey AND lineitem.shipdate = orders.orderdate"); } @Test public void testColocatedJoinWithLocalUnion() { assertQuery( "SELECT count(*) FROM ((SELECT * FROM orders) union all (SELECT * FROM orders)) JOIN orders USING (orderkey)", "SELECT 2 * count(*) FROM orders"); } @Test public void testJoinWithNonJoinExpression() { assertQuery( "SELECT COUNT(*) FROM lineitem JOIN orders ON lineitem.orderkey = orders.orderkey AND orders.custkey = 1"); } @Test public void testJoinWithNullValues() { assertQuery("" + "SELECT *\n" + "FROM (\n" + " SELECT CASE WHEN orderkey % 3 = 0 THEN NULL ELSE orderkey END AS orderkey\n" + " FROM lineitem\n" + " WHERE partkey % 512 = 0\n" + ") AS lineitem \n" + "JOIN (\n" + " SELECT CASE WHEN orderkey % 2 = 0 THEN NULL ELSE orderkey END AS orderkey\n" + " FROM orders\n" + " WHERE custkey % 512 = 0\n" + ") AS orders\n" + "ON lineitem.orderkey = orders.orderkey"); } @Test public void testJoinWithMultipleInSubqueryClauses() { QueryTemplate.Parameter type = parameter("type").of(""); QueryTemplate.Parameter condition = parameter("condition").of("true"); QueryTemplate queryTemplate = queryTemplate( "SELECT * FROM (VALUES 1,2,3,4) t(x) %type% JOIN (VALUES 1,2,3,5) t2(y) ON %condition%", type, condition); QueryTemplate.Parameter twoDuplicatedInSubqueriesCondition = condition.of( "(x in (VALUES 1,2,3)) = (y in (VALUES 1,2,3)) AND (x in (VALUES 1,2,4)) = (y in (VALUES 1,2,4))"); assertQuery(queryTemplate.replace(twoDuplicatedInSubqueriesCondition), "VALUES (1,1), (1,2), (2,2), (2,1), (3,3)"); assertQuery( queryTemplate.replace(condition .of("(x in (VALUES 1,2)) = (y in (VALUES 1,2)) AND (x in (VALUES 1)) = (y in (VALUES 3))")), "VALUES (2,2), (2,1), (3,5), (4,5)"); assertQuery( queryTemplate.replace(condition.of( "(x in (VALUES 1,2)) = (y in (VALUES 1,2)) AND (x in (VALUES 1)) != (y in (VALUES 3))")), "VALUES (1,2), (1,1), (3, 3), (4,3)"); assertQuery( queryTemplate.replace(condition .of("(x in (VALUES 1)) = (y in (VALUES 1)) AND (x in (SELECT 2)) != (y in (SELECT 2))")), "VALUES (2,3), (2,5), (3, 2), (4,2)"); QueryTemplate.Parameter left = type.of("left"); QueryTemplate.Parameter right = type.of("right"); QueryTemplate.Parameter full = type.of("full"); for (QueryTemplate.Parameter joinType : ImmutableList.of(left, right, full)) { for (String joinCondition : ImmutableList.of("x IN (VALUES 1)", "y in (VALUES 1)")) { assertQueryFails(queryTemplate.replace(joinType, condition.of(joinCondition)), ".*IN with subquery predicate in join condition is not supported"); } } assertQuery(queryTemplate.replace(left, twoDuplicatedInSubqueriesCondition), "VALUES (1,1), (1,2), (2,2), (2,1), (3,3), (4, null)"); assertQuery(queryTemplate.replace(right, twoDuplicatedInSubqueriesCondition), "VALUES (1,1), (1,2), (2,2), (2,1), (3,3), (null, 5)"); assertQuery(queryTemplate.replace(full, twoDuplicatedInSubqueriesCondition), "VALUES (1,1), (1,2), (2,2), (2,1), (3,3), (4, null), (null, 5)"); } @Test public void testJoinWithInSubqueryToBeExecutedAsPostJoinFilter() { QueryTemplate.Parameter type = parameter("type").of(""); QueryTemplate.Parameter condition = parameter("condition").of("true"); QueryTemplate queryTemplate = queryTemplate( "SELECT * FROM (VALUES 1,2,3,4) t(x) %type% JOIN (VALUES 1,2,3,5) t2(y) ON %condition%", type, condition); assertQuery(queryTemplate.replace(condition.of("(x+y in (VALUES 4))")), "VALUES (1,3), (2,2), (3,1)"); assertQuery(queryTemplate.replace(condition.of("(x+y in (VALUES 4)) AND (x*y in (VALUES 4,5))")), "VALUES (2,2)"); assertQuery(queryTemplate.replace(condition.of("(x+y in (VALUES 4,5)) AND (x*y IN (VALUES 4,5))")), "VALUES (4,1), (2,2)"); assertQuery( queryTemplate.replace( condition.of("(x+y in (VALUES 4,5)) AND (x in (VALUES 4,5)) != (y in (VALUES 4,5))")), "VALUES (4,1)"); for (QueryTemplate.Parameter joinType : type.of("left", "right", "full")) { assertQueryFails( queryTemplate.replace(joinType, condition.of("(x+y in (VALUES 4,5)) AND (x in (VALUES 4,5)) != (y in (VALUES 4,5))")), ".*IN with subquery predicate in join condition is not supported"); } } @Test public void testOuterJoinWithComplexCorrelatedSubquery() { QueryTemplate.Parameter type = parameter("type"); QueryTemplate.Parameter condition = parameter("condition"); QueryTemplate queryTemplate = queryTemplate( "SELECT * FROM (VALUES 1,2,3,4) t(x) %type% JOIN (VALUES 1,2,3,5) t2(y) ON %condition%", type, condition); queryTemplate.replaceAll((query) -> assertQueryFails(query, "line .*: .* is not supported"), ImmutableList.of(type.of("left"), type.of("right"), type.of("full")), ImmutableList.of(condition.of("EXISTS(SELECT 1 WHERE x = y)"), condition.of("(SELECT x = y)"), condition.of("true IN (SELECT x = y)"))); } @Test public void testJoinWithMultipleScalarSubqueryClauses() { QueryTemplate.Parameter type = parameter("type").of(""); QueryTemplate.Parameter condition = parameter("condition"); QueryTemplate queryTemplate = queryTemplate( "SELECT * FROM (VALUES 1,2,3,4) t(x) %type% JOIN (VALUES 1,2,3,5) t2(y) ON %condition%", type, condition); QueryTemplate.Parameter multipleScalarJoinCondition = condition .of("(x = (VALUES 1)) AND (y = (VALUES 2)) AND (x in (VALUES 2)) = (y in (VALUES 1))"); assertQuery(queryTemplate.replace(multipleScalarJoinCondition), "VALUES (1,2)"); assertQuery( queryTemplate.replace(condition .of("(x = (VALUES 2)) = (y > (VALUES 0)) AND (x > (VALUES 1)) = (y < (VALUES 3))")), "VALUES (2,2), (2,1)"); assertQuery( queryTemplate.replace(condition .of("(x = (VALUES 1)) = (y = (VALUES 1)) AND (x = (SELECT 2)) != (y = (SELECT 3))")), "VALUES (2,5), (2,2), (3,3), (4,3)"); assertQuery(queryTemplate.replace(type.of("left"), multipleScalarJoinCondition), "VALUES (1,2), (2,null), (3, null), (4, null)"); assertQuery(queryTemplate.replace(type.of("right"), multipleScalarJoinCondition), "VALUES (1,2), (null,1), (null, 3), (null, 5)"); assertQuery(queryTemplate.replace(type.of("full"), multipleScalarJoinCondition), "VALUES (1,2), (2,null), (3, null), (4, null), (null,1), (null, 3), (null, 5)"); } @Test public void testJoinWithScalarSubqueryToBeExecutedAsPostJoinFilter() { QueryTemplate.Parameter type = parameter("type").of(""); QueryTemplate.Parameter condition = parameter("condition"); QueryTemplate queryTemplate = queryTemplate( "SELECT * FROM (VALUES 1,2,3,4) t(x) %type% JOIN (VALUES 1,2,3,5) t2(y) ON %condition%", type, condition); QueryTemplate.Parameter xPlusYEqualsSubqueryJoinCondition = condition.of("(x+y = (SELECT 4))"); assertQuery(queryTemplate.replace(xPlusYEqualsSubqueryJoinCondition), "VALUES (1,3), (2,2), (3,1)"); assertQuery(queryTemplate.replace(condition.of("(x+y = (VALUES 4)) AND (x*y = (VALUES 4))")), "VALUES (2,2)"); // all combination of duplicated subquery assertQuery( queryTemplate.replace(condition.of("x+y > (VALUES 3) AND (x = (VALUES 3)) != (y = (VALUES 3))")), "VALUES (3,1), (3,2), (1,3), (2,3), (4,3), (3,5)"); assertQuery( queryTemplate.replace(condition.of("x+y >= (VALUES 5) AND (x = (VALUES 3)) != (y = (VALUES 3))")), "VALUES (3,2), (2,3), (4,3), (3,5)"); assertQuery( queryTemplate.replace(condition.of("x+y >= (VALUES 3) AND (x = (VALUES 5)) != (y = (VALUES 3))")), "VALUES (1,3), (2,3), (3,3), (4,3)"); assertQuery( queryTemplate.replace(condition.of("x+y >= (VALUES 3) AND (x = (VALUES 3)) != (y = (VALUES 5))")), "VALUES (3,1), (3,2), (3,3), (1,5), (2,5), (4,5)"); assertQuery( queryTemplate.replace(condition.of("x+y >= (VALUES 4) AND (x = (VALUES 3)) != (y = (VALUES 5))")), "VALUES (3,1), (3,2), (3,3), (1,5), (2,5), (4,5)"); // non inner joins assertQuery(queryTemplate.replace(type.of("left"), xPlusYEqualsSubqueryJoinCondition), "VALUES (1,3), (2,2), (3,1), (4, null)"); assertQuery(queryTemplate.replace(type.of("right"), xPlusYEqualsSubqueryJoinCondition), "VALUES (1,3), (2,2), (3,1), (null, 5)"); assertQuery(queryTemplate.replace(type.of("full"), xPlusYEqualsSubqueryJoinCondition), "VALUES (1,3), (2,2), (3,1), (4, null), (null, 5)"); } @Test public void testJoinWithScalarSubqueryInOnClause() { assertQuery( "SELECT count() FROM nation a" + " INNER JOIN nation b ON a.name = (SELECT max(name) FROM nation)" + " INNER JOIN nation c ON c.name = split_part(b.name,'<',2)", "SELECT 0"); } @Test public void testJoinWithScalarSubqueryToBeExecutedAsPostJoinFilterWithEmptyInnerTable() { String noOutputQuery = "SELECT 1 WHERE false"; QueryTemplate.Parameter type = parameter("type").of(""); QueryTemplate.Parameter condition = parameter("condition"); QueryTemplate queryTemplate = queryTemplate( "SELECT * FROM (" + noOutputQuery + ") t(x) %type% JOIN (VALUES 1) t2(y) ON %condition%", type); QueryTemplate.Parameter xPlusYEqualsSubqueryJoinCondition = condition.of("(x+y = (SELECT 4))"); assertQuery(queryTemplate.replace(xPlusYEqualsSubqueryJoinCondition), noOutputQuery); assertQuery(queryTemplate.replace(condition.of("(x+y = (VALUES 4)) AND (x*y = (VALUES 4))")), noOutputQuery); // non inner joins assertQuery(queryTemplate.replace(xPlusYEqualsSubqueryJoinCondition, type.of("left")), noOutputQuery); assertQuery(queryTemplate.replace(xPlusYEqualsSubqueryJoinCondition, type.of("right")), "VALUES (null,1)"); assertQuery(queryTemplate.replace(xPlusYEqualsSubqueryJoinCondition, type.of("full")), "VALUES (null,1)"); } @Test public void testInUncorrelatedSubquery() { assertQuery("SELECT CASE WHEN false THEN 1 IN (VALUES 2) END", "SELECT NULL"); assertQuery( "SELECT x FROM (VALUES 2) t(x) WHERE MAP(ARRAY[8589934592], ARRAY[x]) IN (VALUES MAP(ARRAY[8589934592],ARRAY[2]))", "SELECT 2"); assertQuery("SELECT a IN (VALUES 2), a FROM (VALUES (2)) t(a)", "SELECT TRUE, 2"); } @Test public void testJoinWithExpressionsThatMayReturnNull() { assertQuery("" + "SELECT *\n" + "FROM (\n" + " SELECT a, nullif(a, 1)\n" + " FROM (VALUES 1) w(a)\n" + ") t(a,b)\n" + "JOIN (VALUES 1) u(x) ON t.a = u.x", "SELECT 1, NULL, 1"); assertQuery( "" + "SELECT *\n" + "FROM (\n" + " SELECT a, contains(array[2, null], a)\n" + " FROM (VALUES 1) w(a)\n" + ") t(a,b)\n" + "JOIN (VALUES 1) u(x) ON t.a = u.x\n", "SELECT 1, NULL, 1"); assertQuery("" + "SELECT *\n" + "FROM (\n" + " SELECT a, array[null][a]\n" + " FROM (VALUES 1) w(a)\n" + ") t(a,b)\n" + "JOIN (VALUES 1) u(x) ON t.a = u.x", "SELECT 1, NULL, 1"); assertQuery("" + "SELECT *\n" + "FROM (\n" + " SELECT a, try(a / 0)\n" + " FROM (VALUES 1) w(a)\n" + ") t(a,b)\n" + "JOIN (VALUES 1) u(x) ON t.a = u.x", "SELECT 1, NULL, 1"); } @Test public void testLeftFilteredJoin() { // Test predicate move around assertQuery( "SELECT custkey, linestatus, tax, totalprice, orderstatus FROM (SELECT * FROM lineitem WHERE orderkey % 2 = 0) a JOIN orders ON a.orderkey = orders.orderkey"); } @Test public void testRightFilteredJoin() { // Test predicate move around assertQuery( "SELECT custkey, linestatus, tax, totalprice, orderstatus FROM lineitem JOIN (SELECT * FROM orders WHERE orderkey % 2 = 0) a ON lineitem.orderkey = a.orderkey"); } @Test public void testJoinWithFullyPushedDownJoinClause() { assertQuery("SELECT COUNT(*) FROM lineitem JOIN orders ON orders.custkey = 1 AND lineitem.orderkey = 1"); } @Test public void testJoinPredicateMoveAround() { assertQuery("SELECT COUNT(*)\n" + "FROM (SELECT * FROM lineitem WHERE orderkey % 16 = 0 AND partkey % 2 = 0) lineitem\n" + "JOIN (SELECT * FROM orders WHERE orderkey % 16 = 0 AND custkey % 2 = 0) orders\n" + "ON lineitem.orderkey % 8 = orders.orderkey % 8 AND lineitem.linenumber % 2 = 0\n" + "WHERE orders.custkey % 8 < 7 AND orders.custkey % 8 = lineitem.orderkey % 8 AND lineitem.suppkey % 7 > orders.custkey % 7"); } @Test public void testSimpleFullJoin() { assertQuery("SELECT a, b FROM (VALUES (1), (2)) t (a) FULL OUTER JOIN (VALUES (1), (3)) u (b) ON a = b", "SELECT * FROM (VALUES (1, 1), (2, NULL), (NULL, 3))"); assertQuery("SELECT COUNT(*) FROM lineitem FULL JOIN orders ON lineitem.orderkey = orders.orderkey", "SELECT COUNT(*) FROM (" + "SELECT lineitem.orderkey, orders.orderkey AS o2 FROM lineitem LEFT OUTER JOIN orders ON lineitem.orderkey = orders.orderkey " + "UNION ALL " + "SELECT lineitem.orderkey, orders.orderkey AS o2 FROM lineitem RIGHT OUTER JOIN orders ON lineitem.orderkey = orders.orderkey " + "WHERE lineitem.orderkey IS NULL" + ")"); assertQuery("SELECT COUNT(*) FROM lineitem FULL OUTER JOIN orders ON lineitem.orderkey = orders.orderkey", "SELECT COUNT(*) FROM (" + "SELECT lineitem.orderkey, orders.orderkey AS o2 FROM lineitem LEFT OUTER JOIN orders ON lineitem.orderkey = orders.orderkey " + "UNION ALL " + "SELECT lineitem.orderkey, orders.orderkey AS o2 FROM lineitem RIGHT OUTER JOIN orders ON lineitem.orderkey = orders.orderkey " + "WHERE lineitem.orderkey IS NULL" + ")"); // The above outer join queries will produce the same result even if they are inner join. // The below query uses "orderkey = custkey" as join condition. assertQuery("SELECT COUNT(*) FROM lineitem FULL JOIN orders ON lineitem.orderkey = orders.custkey", "SELECT COUNT(*) FROM (" + "SELECT lineitem.orderkey, orders.orderkey AS o2 FROM lineitem LEFT OUTER JOIN orders ON lineitem.orderkey = orders.custkey " + "UNION ALL " + "SELECT lineitem.orderkey, orders.orderkey AS o2 FROM lineitem RIGHT OUTER JOIN orders ON lineitem.orderkey = orders.custkey " + "WHERE lineitem.orderkey IS NULL" + ")"); } @Test public void testFullJoinNormalizedToLeft() { assertQuery( "SELECT COUNT(*) FROM lineitem FULL JOIN orders ON lineitem.orderkey = orders.orderkey WHERE lineitem.orderkey IS NOT NULL", "SELECT COUNT(*) FROM lineitem LEFT OUTER JOIN orders ON lineitem.orderkey = orders.orderkey WHERE lineitem.orderkey IS NOT NULL"); // The above outer join queries will produce the same result even if they are inner join. // The below query uses "orderkey = custkey" as join condition. assertQuery( "SELECT COUNT(*) FROM lineitem FULL JOIN orders ON lineitem.orderkey = orders.custkey WHERE lineitem.orderkey IS NOT NULL", "SELECT COUNT(*) FROM lineitem LEFT OUTER JOIN orders ON lineitem.orderkey = orders.custkey WHERE lineitem.orderkey IS NOT NULL"); } @Test public void testFullJoinNormalizedToRight() { assertQuery( "SELECT COUNT(*) FROM lineitem FULL JOIN orders ON lineitem.orderkey = orders.orderkey WHERE orders.orderkey IS NOT NULL", "SELECT COUNT(*) FROM lineitem RIGHT OUTER JOIN orders ON lineitem.orderkey = orders.orderkey WHERE orders.orderkey IS NOT NULL"); // The above outer join queries will produce the same result even if they are inner join. // The below query uses "orderkey = custkey" as join condition. assertQuery( "SELECT COUNT(*) FROM lineitem FULL JOIN orders ON lineitem.orderkey = orders.custkey WHERE orders.custkey IS NOT NULL", "SELECT COUNT(*) FROM lineitem RIGHT OUTER JOIN orders ON lineitem.orderkey = orders.custkey WHERE orders.custkey IS NOT NULL"); } @Test public void testFullJoinWithRightConstantEquality() { assertQuery( "SELECT COUNT(*) FROM (SELECT * FROM lineitem WHERE orderkey % 1024 = 0) lineitem FULL JOIN orders ON lineitem.orderkey = 1024", "SELECT COUNT(*) FROM (" + "SELECT lineitem.orderkey, orders.orderkey AS o2 FROM (SELECT * FROM lineitem WHERE orderkey % 1024 = 0) lineitem LEFT OUTER JOIN orders ON lineitem.orderkey = 1024 " + "UNION ALL " + "SELECT lineitem.orderkey, orders.orderkey AS o2 FROM (SELECT * FROM lineitem WHERE orderkey % 1024 = 0) lineitem RIGHT OUTER JOIN orders ON lineitem.orderkey = 1024 " + "WHERE lineitem.orderkey IS NULL" + ")"); } @Test public void testFullJoinWithLeftConstantEquality() { assertQuery( "SELECT COUNT(*) FROM (SELECT * FROM lineitem WHERE orderkey % 1024 = 0) lineitem FULL JOIN orders ON orders.orderkey = 1024", "SELECT COUNT(*) FROM (" + "SELECT lineitem.orderkey, orders.orderkey AS o2 FROM (SELECT * FROM lineitem WHERE orderkey % 1024 = 0) lineitem LEFT OUTER JOIN orders ON orders.orderkey = 1024 " + "UNION ALL " + "SELECT lineitem.orderkey, orders.orderkey AS o2 FROM (SELECT * FROM lineitem WHERE orderkey % 1024 = 0) lineitem RIGHT OUTER JOIN orders ON orders.orderkey = 1024 " + "WHERE lineitem.orderkey IS NULL" + ")"); } @Test public void testSimpleFullJoinWithLeftConstantEquality() { assertQuery( "SELECT COUNT(*) FROM lineitem FULL JOIN orders ON lineitem.orderkey = orders.orderkey AND orders.orderkey = 2", "SELECT COUNT(*) FROM (" + "SELECT lineitem.orderkey, orders.orderkey AS o2 FROM lineitem LEFT OUTER JOIN orders ON lineitem.orderkey = orders.orderkey AND orders.orderkey = 2" + "UNION ALL " + "SELECT lineitem.orderkey, orders.orderkey AS o2 FROM lineitem RIGHT OUTER JOIN orders ON lineitem.orderkey = orders.orderkey AND orders.orderkey = 2" + "WHERE lineitem.orderkey IS NULL" + ")"); } @Test public void testSimpleFullJoinWithRightConstantEquality() { assertQuery( "SELECT COUNT(*) FROM lineitem FULL JOIN orders ON lineitem.orderkey = orders.orderkey AND lineitem.orderkey = 2", "SELECT COUNT(*) FROM (" + "SELECT lineitem.orderkey, orders.orderkey AS o2 FROM lineitem LEFT OUTER JOIN orders ON lineitem.orderkey = orders.orderkey AND lineitem.orderkey = 2" + "UNION ALL " + "SELECT lineitem.orderkey, orders.orderkey AS o2 FROM lineitem RIGHT OUTER JOIN orders ON lineitem.orderkey = orders.orderkey AND lineitem.orderkey = 2" + "WHERE lineitem.orderkey IS NULL" + ")"); } @Test public void testOuterJoinWithNullsOnProbe() { assertQuery("SELECT DISTINCT a.orderkey FROM " + "(SELECT CASE WHEN orderkey > 10 THEN orderkey END orderkey FROM orders WHERE orderkey < 100) a " + "RIGHT OUTER JOIN " + "(SELECT * FROM orders WHERE orderkey < 100) b ON a.orderkey = b.orderkey"); assertQuery("SELECT DISTINCT a.orderkey FROM " + "(SELECT CASE WHEN orderkey > 2 THEN orderkey END orderkey FROM orders WHERE orderkey < 100) a " + "FULL OUTER JOIN " + "(SELECT * FROM orders WHERE orderkey < 100) b ON a.orderkey = b.orderkey", "SELECT DISTINCT orderkey FROM (" + "SELECT a.orderkey FROM " + "(SELECT CASE WHEN orderkey > 2 THEN orderkey END orderkey FROM orders WHERE orderkey < 100) a " + "RIGHT OUTER JOIN " + "(SELECT * FROM orders WHERE orderkey < 100) b ON a.orderkey = b.orderkey " + "UNION ALL " + "SELECT a.orderkey FROM" + "(SELECT CASE WHEN orderkey > 2 THEN orderkey END orderkey FROM orders WHERE orderkey < 100) a " + "LEFT OUTER JOIN " + "(SELECT * FROM orders WHERE orderkey < 100) b ON a.orderkey = b.orderkey " + "WHERE a.orderkey IS NULL)"); } @Test public void testOuterJoinWithCommonExpression() { MaterializedResult actual = computeActual( "SELECT count(1), count(one) " + "FROM (values (1, 'a'), (2, 'a')) AS l(k, a) " + "LEFT JOIN (SELECT k, 1 one FROM (values 1) AS r(k)) r " + "ON l.k = r.k GROUP BY a"); MaterializedResult expected = resultBuilder(getSession(), BIGINT, BIGINT).row(2L, 1L) // (total rows, # of non null values) .build(); assertEquals(actual.getMaterializedRows(), expected.getMaterializedRows()); } @Test public void testSimpleLeftJoin() { assertQuery("SELECT COUNT(*) FROM lineitem LEFT JOIN orders ON lineitem.orderkey = orders.orderkey"); assertQuery("SELECT COUNT(*) FROM lineitem LEFT OUTER JOIN orders ON lineitem.orderkey = orders.orderkey"); // With null base (null row value) in dereference expression assertQuery("SELECT x.val FROM " + "(SELECT CAST(ROW(v) AS ROW(val integer)) FROM (VALUES 1, 2, 3) t(v)) ta (x) " + "LEFT OUTER JOIN " + "(SELECT CAST(ROW(v) AS ROW(val integer)) FROM (VALUES 1, 2, 3) t(v)) tb (y) " + "ON x.val=y.val " + "WHERE y.val=1", "SELECT 1"); } @Test public void testLeftJoinNormalizedToInner() { assertQuery( "SELECT COUNT(*) FROM lineitem LEFT JOIN orders ON lineitem.orderkey = orders.orderkey WHERE orders.orderkey IS NOT NULL"); } @Test public void testLeftJoinWithRightConstantEquality() { assertQuery( "SELECT COUNT(*) FROM (SELECT * FROM lineitem WHERE orderkey % 1024 = 0) lineitem LEFT JOIN orders ON lineitem.orderkey = 1024"); } @Test public void testLeftJoinWithLeftConstantEquality() { assertQuery( "SELECT COUNT(*) FROM (SELECT * FROM lineitem WHERE orderkey % 1024 = 0) lineitem LEFT JOIN orders ON orders.orderkey = 1024"); } @Test public void testSimpleLeftJoinWithLeftConstantEquality() { assertQuery( "SELECT COUNT(*) FROM lineitem LEFT JOIN orders ON lineitem.orderkey = orders.orderkey AND orders.orderkey = 2"); } @Test public void testSimpleLeftJoinWithRightConstantEquality() { assertQuery( "SELECT COUNT(*) FROM lineitem LEFT JOIN orders ON lineitem.orderkey = orders.orderkey AND lineitem.orderkey = 2"); } @Test public void testDoubleFilteredLeftJoinWithRightConstantEquality() { assertQuery( "SELECT COUNT(*) FROM (SELECT * FROM lineitem WHERE orderkey % 1024 = 0) lineitem LEFT JOIN (SELECT * FROM orders WHERE orderkey % 1024 = 0) orders ON orders.orderkey = 1024"); } @Test public void testDoubleFilteredLeftJoinWithLeftConstantEquality() { assertQuery( "SELECT COUNT(*) FROM (SELECT * FROM lineitem WHERE orderkey % 1024 = 0) lineitem LEFT JOIN (SELECT * FROM orders WHERE orderkey % 1024 = 0) orders ON lineitem.orderkey = 1024"); } @Test public void testLeftJoinDoubleClauseWithLeftOverlap() { // Checks to make sure that we properly handle duplicate field references in join clauses assertQuery( "SELECT COUNT(*) FROM lineitem LEFT JOIN orders ON lineitem.orderkey = orders.orderkey AND lineitem.orderkey = orders.custkey"); } @Test public void testLeftJoinDoubleClauseWithRightOverlap() { // Checks to make sure that we properly handle duplicate field references in join clauses assertQuery( "SELECT COUNT(*) FROM lineitem LEFT JOIN orders ON lineitem.orderkey = orders.orderkey AND orders.orderkey = lineitem.partkey"); } @Test public void testBuildFilteredLeftJoin() { assertQuery(noJoinReordering(), "SELECT * FROM lineitem LEFT JOIN (SELECT * FROM orders WHERE orderkey % 2 = 0) a ON lineitem.orderkey = a.orderkey"); } @Test public void testProbeFilteredLeftJoin() { assertQuery(noJoinReordering(), "SELECT * FROM (SELECT * FROM lineitem WHERE orderkey % 2 = 0) a LEFT JOIN orders ON a.orderkey = orders.orderkey"); } @Test public void testLeftJoinPredicateMoveAround() { assertQuery("SELECT COUNT(*)\n" + "FROM (SELECT * FROM lineitem WHERE orderkey % 16 = 0 AND partkey % 2 = 0) lineitem\n" + "LEFT JOIN (SELECT * FROM orders WHERE orderkey % 16 = 0 AND custkey % 2 = 0) orders\n" + "ON lineitem.orderkey % 8 = orders.orderkey % 8\n" + "WHERE (orders.custkey % 8 < 7 OR orders.custkey % 8 IS NULL) AND orders.custkey % 8 = lineitem.orderkey % 8"); } @Test public void testLeftJoinEqualityInference() { // Test that we can infer orders.orderkey % 4 = orders.custkey % 3 on the inner side assertQuery("SELECT COUNT(*)\n" + "FROM (SELECT * FROM lineitem WHERE orderkey % 4 = 0 AND suppkey % 2 = partkey % 2 AND linenumber % 3 = orderkey % 3) lineitem\n" + "LEFT JOIN (SELECT * FROM orders WHERE orderkey % 4 = 0) orders\n" + "ON lineitem.linenumber % 3 = orders.orderkey % 4 AND lineitem.orderkey % 3 = orders.custkey % 3\n" + "WHERE lineitem.suppkey % 2 = lineitem.linenumber % 3"); } @Test public void testLeftJoinWithNullValues() { assertQuery("" + "SELECT *\n" + "FROM (\n" + " SELECT CASE WHEN orderkey % 3 = 0 THEN NULL ELSE orderkey END AS orderkey\n" + " FROM lineitem\n" + " WHERE partkey % 512 = 0\n" + ") AS lineitem \n" + "LEFT JOIN (\n" + " SELECT CASE WHEN orderkey % 2 = 0 THEN NULL ELSE orderkey END AS orderkey\n" + " FROM orders\n" + " WHERE custkey % 512 = 0\n" + ") AS orders\n" + "ON lineitem.orderkey = orders.orderkey"); } @Test public void testSimpleRightJoin() { assertQuery("SELECT COUNT(*) FROM lineitem RIGHT JOIN orders ON lineitem.orderkey = orders.orderkey"); assertQuery("SELECT COUNT(*) FROM lineitem RIGHT OUTER JOIN orders ON lineitem.orderkey = orders.orderkey"); assertQuery("SELECT COUNT(*) FROM lineitem RIGHT JOIN orders ON lineitem.orderkey = orders.custkey"); assertQuery("SELECT COUNT(*) FROM lineitem RIGHT OUTER JOIN orders ON lineitem.orderkey = orders.custkey"); } @Test public void testRightJoinNormalizedToInner() { assertQuery( "SELECT COUNT(*) FROM lineitem RIGHT JOIN orders ON lineitem.orderkey = orders.orderkey WHERE lineitem.orderkey IS NOT NULL"); assertQuery( "SELECT COUNT(*) FROM lineitem RIGHT JOIN orders ON lineitem.orderkey = orders.custkey WHERE lineitem.orderkey IS NOT NULL"); } @Test public void testRightJoinWithRightConstantEquality() { assertQuery( "SELECT COUNT(*) FROM (SELECT * FROM lineitem WHERE orderkey % 1024 = 0) lineitem RIGHT JOIN orders ON lineitem.orderkey = 1024"); } @Test public void testRightJoinWithLeftConstantEquality() { assertQuery( "SELECT COUNT(*) FROM (SELECT * FROM lineitem WHERE orderkey % 1024 = 0) lineitem RIGHT JOIN orders ON orders.orderkey = 1024"); } @Test public void testDoubleFilteredRightJoinWithRightConstantEquality() { assertQuery( "SELECT COUNT(*) FROM (SELECT * FROM lineitem WHERE orderkey % 1024 = 0) lineitem RIGHT JOIN (SELECT * FROM orders WHERE orderkey % 1024 = 0) orders ON orders.orderkey = 1024"); } @Test public void testDoubleFilteredRightJoinWithLeftConstantEquality() { assertQuery( "SELECT COUNT(*) FROM (SELECT * FROM lineitem WHERE orderkey % 1024 = 0) lineitem RIGHT JOIN (SELECT * FROM orders WHERE orderkey % 1024 = 0) orders ON lineitem.orderkey = 1024"); } @Test public void testSimpleRightJoinWithLeftConstantEquality() { assertQuery( "SELECT COUNT(*) FROM lineitem RIGHT JOIN orders ON lineitem.orderkey = orders.orderkey AND orders.orderkey = 2"); } @Test public void testSimpleRightJoinWithRightConstantEquality() { assertQuery( "SELECT COUNT(*) FROM lineitem RIGHT JOIN orders ON lineitem.orderkey = orders.orderkey AND lineitem.orderkey = 2"); } @Test public void testRightJoinDoubleClauseWithLeftOverlap() { // Checks to make sure that we properly handle duplicate field references in join clauses assertQuery( "SELECT COUNT(*) FROM lineitem RIGHT JOIN orders ON lineitem.orderkey = orders.orderkey AND lineitem.orderkey = orders.custkey"); } @Test public void testRightJoinDoubleClauseWithRightOverlap() { // Checks to make sure that we properly handle duplicate field references in join clauses assertQuery( "SELECT COUNT(*) FROM lineitem RIGHT JOIN orders ON lineitem.orderkey = orders.orderkey AND orders.orderkey = lineitem.partkey"); } @Test public void testBuildFilteredRightJoin() { assertQuery(noJoinReordering(), "SELECT custkey, linestatus, tax, totalprice, orderstatus FROM (SELECT * FROM lineitem WHERE orderkey % 2 = 0) a RIGHT JOIN orders ON a.orderkey = orders.orderkey"); } @Test public void testProbeFilteredRightJoin() { assertQuery(noJoinReordering(), "SELECT custkey, linestatus, tax, totalprice, orderstatus FROM lineitem RIGHT JOIN (SELECT * FROM orders WHERE orderkey % 2 = 0) a ON lineitem.orderkey = a.orderkey"); } @Test public void testRightJoinPredicateMoveAround() { assertQuery("SELECT COUNT(*)\n" + "FROM (SELECT * FROM orders WHERE orderkey % 16 = 0 AND custkey % 2 = 0) orders\n" + "RIGHT JOIN (SELECT * FROM lineitem WHERE orderkey % 16 = 0 AND partkey % 2 = 0) lineitem\n" + "ON lineitem.orderkey % 8 = orders.orderkey % 8\n" + "WHERE (orders.custkey % 8 < 7 OR orders.custkey % 8 IS NULL) AND orders.custkey % 8 = lineitem.orderkey % 8"); } @Test public void testRightJoinEqualityInference() { // Test that we can infer orders.orderkey % 4 = orders.custkey % 3 on the inner side assertQuery("SELECT COUNT(*)\n" + "FROM (SELECT * FROM orders WHERE orderkey % 4 = 0) orders\n" + "RIGHT JOIN (SELECT * FROM lineitem WHERE orderkey % 4 = 0 AND suppkey % 2 = partkey % 2 AND linenumber % 3 = orderkey % 3) lineitem\n" + "ON lineitem.linenumber % 3 = orders.orderkey % 4 AND lineitem.orderkey % 3 = orders.custkey % 3\n" + "WHERE lineitem.suppkey % 2 = lineitem.linenumber % 3"); } @Test public void testRightJoinWithNullValues() { assertQuery("" + "SELECT lineitem.orderkey, orders.orderkey\n" + "FROM (\n" + " SELECT CASE WHEN orderkey % 3 = 0 THEN NULL ELSE orderkey END AS orderkey\n" + " FROM lineitem\n" + " WHERE partkey % 512 = 0\n" + ") AS lineitem \n" + "RIGHT JOIN (\n" + " SELECT CASE WHEN orderkey % 2 = 0 THEN NULL ELSE orderkey END AS orderkey\n" + " FROM orders\n" + " WHERE custkey % 512 = 0\n" + ") AS orders\n" + "ON lineitem.orderkey = orders.orderkey"); } @Test public void testJoinWithStatefulFilterFunction() { assertQuery( "SELECT *\n" + "FROM (VALUES 1, 2) a(id)\n" + "FULL JOIN (VALUES 2, 3) b(id)\n" + "ON (array_intersect(array[a.id], array[b.id]) = array[a.id])", "VALUES (1, null), (2, 2), (null, 3)"); } @Test public void testOrderBy() { assertQueryOrdered("SELECT orderstatus FROM orders ORDER BY orderstatus"); } @Test public void testOrderBy2() { assertQueryOrdered("SELECT orderstatus FROM orders ORDER BY orderkey DESC"); } @Test public void testOrderByMultipleFields() { assertQueryOrdered("SELECT custkey, orderstatus FROM orders ORDER BY custkey DESC, orderstatus"); } @Test public void testDuplicateColumnsInOrderByClause() { MaterializedResult actual = computeActual( "SELECT * FROM (VALUES INTEGER '3', INTEGER '2', INTEGER '1') t(a) ORDER BY a ASC, a DESC"); MaterializedResult expected = resultBuilder(getSession(), INTEGER).row(1).row(2).row(3).build(); assertEquals(actual, expected); } @Test public void testOrderByWithNulls() { // nulls first assertQueryOrdered( "SELECT orderkey, custkey, orderstatus FROM orders ORDER BY nullif(orderkey, 3) ASC NULLS FIRST, custkey ASC"); assertQueryOrdered( "SELECT orderkey, custkey, orderstatus FROM orders ORDER BY nullif(orderkey, 3) DESC NULLS FIRST, custkey ASC"); // nulls last assertQueryOrdered( "SELECT orderkey, custkey, orderstatus FROM orders ORDER BY nullif(orderkey, 3) ASC NULLS LAST, custkey ASC"); assertQueryOrdered( "SELECT orderkey, custkey, orderstatus FROM orders ORDER BY nullif(orderkey, 3) DESC NULLS LAST, custkey ASC"); // assure that default is nulls last assertQueryOrdered( "SELECT orderkey, custkey, orderstatus FROM orders ORDER BY nullif(orderkey, 3) ASC, custkey ASC", "SELECT orderkey, custkey, orderstatus FROM orders ORDER BY nullif(orderkey, 3) ASC NULLS LAST, custkey ASC"); } @Test public void testOrderByAlias() { assertQueryOrdered("SELECT orderstatus x FROM orders ORDER BY x ASC"); } @Test public void testOrderByAliasWithSameNameAsUnselectedColumn() { assertQueryOrdered("SELECT orderstatus orderdate FROM orders ORDER BY orderdate ASC"); } @Test public void testOrderByOrdinal() { assertQueryOrdered("SELECT orderstatus, orderdate FROM orders ORDER BY 2, 1"); } @Test public void testOrderByOrdinalWithWildcard() { assertQueryOrdered("SELECT * FROM orders ORDER BY 1"); } @Test public void testOrderByWithSimilarExpressions() { assertQuery("WITH t AS (SELECT 1 x, 2 y) SELECT x, y FROM t ORDER BY x, y", "SELECT 1, 2"); assertQuery("WITH t AS (SELECT 1 x, 2 y) SELECT x, y FROM t ORDER BY x, y LIMIT 1", "SELECT 1, 2"); assertQuery("WITH t AS (SELECT 1 x, 1 y) SELECT x, y FROM t ORDER BY x, y LIMIT 1", "SELECT 1, 1"); assertQuery( "WITH t AS (SELECT orderkey x, orderkey y FROM orders) SELECT x, y FROM t ORDER BY x, y LIMIT 1", "SELECT 1, 1"); assertQuery( "WITH t AS (SELECT orderkey x, orderkey y FROM orders) SELECT x, y FROM t ORDER BY x, y DESC LIMIT 1", "SELECT 1, 1"); assertQuery( "WITH t AS (SELECT orderkey x, totalprice y, orderkey z FROM orders) SELECT x, y, z FROM t ORDER BY x, y, z LIMIT 1", "SELECT 1, 172799.49, 1"); } @Test public void testOrderByUnderManyProjections() { assertQuery("SELECT nationkey, arbitrary_column + arbitrary_column " + "FROM " + "( " + " SELECT nationkey, COALESCE(arbitrary_column, 0) arbitrary_column " + " FROM ( " + " SELECT nationkey, 1 arbitrary_column " + " FROM nation " + " ORDER BY 1 ASC))"); } @Test public void testUndistributedOrderBy() { Session undistributedOrderBy = Session.builder(getSession()).setSystemProperty(DISTRIBUTED_SORT, "false") .build(); assertQueryOrdered(undistributedOrderBy, "SELECT orderstatus FROM orders ORDER BY orderstatus"); } @Test public void testChecksum() { assertQuery("SELECT to_hex(checksum(0))", "SELECT '0000000000000000'"); } @Test public void testMaxBy() { assertQuery("SELECT MAX_BY(orderkey, totalprice) FROM orders", "SELECT orderkey FROM orders ORDER BY totalprice DESC LIMIT 1"); } @Test public void testMaxByN() { assertQuery( "SELECT y FROM (SELECT MAX_BY(orderkey, totalprice, 2) mx FROM orders) CROSS JOIN UNNEST(mx) u(y)", "SELECT orderkey FROM orders ORDER BY totalprice DESC LIMIT 2"); } @Test public void testMinBy() { assertQuery("SELECT MIN_BY(orderkey, totalprice) FROM orders", "SELECT orderkey FROM orders ORDER BY totalprice ASC LIMIT 1"); assertQuery("SELECT MIN_BY(a, ROW(b, c)) FROM (VALUES (1, 2, 3), (2, 2, 1)) AS t(a, b, c)", "SELECT 2"); } @Test public void testMinByN() { assertQuery( "SELECT y FROM (SELECT MIN_BY(orderkey, totalprice, 2) mx FROM orders) CROSS JOIN UNNEST(mx) u(y)", "SELECT orderkey FROM orders ORDER BY totalprice ASC LIMIT 2"); } @Test public void testWindowImplicitCoercion() { assertQueryOrdered("SELECT orderkey, 1e0 / row_number() OVER (ORDER BY orderkey) FROM orders LIMIT 2", "VALUES (1, 1.0), (2, 0.5)"); } @Test public void testWindowsSameOrdering() { MaterializedResult actual = computeActual( "SELECT " + "sum(quantity) OVER(PARTITION BY suppkey ORDER BY orderkey)," + "min(tax) OVER(PARTITION BY suppkey ORDER BY shipdate)" + "FROM lineitem " + "ORDER BY 1 " + "LIMIT 10"); MaterializedResult expected = resultBuilder(getSession(), DOUBLE, DOUBLE).row(1.0, 0.0).row(2.0, 0.0) .row(2.0, 0.0).row(3.0, 0.0).row(3.0, 0.0).row(4.0, 0.0).row(4.0, 0.0).row(5.0, 0.0).row(5.0, 0.0) .row(5.0, 0.0).build(); assertEquals(actual, expected); } @Test public void testWindowsPrefixPartitioning() { MaterializedResult actual = computeActual( "SELECT " + "max(tax) OVER(PARTITION BY suppkey, tax ORDER BY receiptdate)," + "sum(quantity) OVER(PARTITION BY suppkey ORDER BY orderkey)" + "FROM lineitem " + "ORDER BY 2, 1 " + "LIMIT 10"); MaterializedResult expected = resultBuilder(getSession(), DOUBLE, DOUBLE).row(0.06, 1.0).row(0.02, 2.0) .row(0.06, 2.0).row(0.02, 3.0).row(0.08, 3.0).row(0.03, 4.0).row(0.03, 4.0).row(0.02, 5.0) .row(0.03, 5.0).row(0.07, 5.0).build(); assertEquals(actual, expected); } @Test public void testWindowsDifferentPartitions() { MaterializedResult actual = computeActual( "SELECT " + "sum(quantity) OVER(PARTITION BY suppkey ORDER BY orderkey)," + "count(discount) OVER(PARTITION BY partkey ORDER BY receiptdate)," + "min(tax) OVER(PARTITION BY suppkey, tax ORDER BY receiptdate)" + "FROM lineitem " + "ORDER BY 1, 2 " + "LIMIT 10"); MaterializedResult expected = resultBuilder(getSession(), DOUBLE, BIGINT, DOUBLE).row(1.0, 10L, 0.06) .row(2.0, 4L, 0.06).row(2.0, 16L, 0.02).row(3.0, 3L, 0.08).row(3.0, 38L, 0.02).row(4.0, 10L, 0.03) .row(4.0, 10L, 0.03).row(5.0, 9L, 0.03).row(5.0, 13L, 0.07).row(5.0, 15L, 0.02).build(); assertEquals(actual, expected); } @Test public void testWindowsConstantExpression() { assertQueryOrdered( "SELECT " + "sum(size) OVER(PARTITION BY type ORDER BY brand)," + "lag(partkey, 1) OVER(PARTITION BY type ORDER BY name)" + "FROM part " + "ORDER BY 1, 2 " + "LIMIT 10", "VALUES " + "(1, 315), " + "(1, 881), " + "(1, 1009), " + "(3, 1087), " + "(3, 1187), " + "(3, 1529), " + "(4, 969), " + "(5, 151), " + "(5, 505), " + "(5, 872)"); } @Test public void testDependentWindows() { // For such query as below generated plan has two adjacent window nodes where second depends on output of first. String sql = "WITH " + "t1 AS (" + "SELECT extendedprice FROM lineitem ORDER BY orderkey, partkey LIMIT 2)," + "t2 AS (" + "SELECT extendedprice, sum(extendedprice) OVER() AS x FROM t1)," + "t3 AS (" + "SELECT max(x) OVER() FROM t2) " + "SELECT * FROM t3"; assertQuery(sql, "VALUES 59645.36, 59645.36"); } @Test public void testWindowFunctionWithoutParameters() { MaterializedResult actual = computeActual( "SELECT count() over(partition by custkey) FROM orders WHERE custkey < 3 ORDER BY custkey"); MaterializedResult expected = resultBuilder(getSession(), BIGINT).row(9L).row(9L).row(9L).row(9L).row(9L) .row(9L).row(9L).row(9L).row(9L).row(10L).row(10L).row(10L).row(10L).row(10L).row(10L).row(10L) .row(10L).row(10L).row(10L).build(); assertEquals(actual, expected); } @Test public void testHaving() { assertQuery( "SELECT orderstatus, sum(totalprice) FROM orders GROUP BY orderstatus HAVING orderstatus = 'O'"); } @Test public void testHaving2() { assertQuery("SELECT custkey, sum(orderkey) FROM orders GROUP BY custkey HAVING sum(orderkey) > 400000"); } @Test public void testHaving3() { assertQuery("SELECT custkey, sum(totalprice) * 2 FROM orders GROUP BY custkey"); assertQuery("SELECT custkey, avg(totalprice + 5) FROM orders GROUP BY custkey"); assertQuery( "SELECT custkey, sum(totalprice) * 2 FROM orders GROUP BY custkey HAVING avg(totalprice + 5) > 10"); } @Test public void testHavingWithoutGroupBy() { assertQuery("SELECT sum(orderkey) FROM orders HAVING sum(orderkey) > 400000"); } @Test public void testJoinWithGroupByAsProbe() { // we join on customer key instead of order key because // orders is effectively distributed on order key due the // generated data being sorted assertQuery("SELECT " + " b.orderkey, " + " b.custkey, " + " a.custkey " + "FROM ( " + " SELECT custkey" + " FROM orders " + " GROUP BY custkey" + ") a " + "JOIN orders b " + " ON a.custkey = b.custkey "); } @Test public void testJoinEffectivePredicateWithNoRanges() { assertQuery("" + "SELECT * FROM orders a " + " JOIN (SELECT * FROM orders WHERE orderkey IS NULL) b " + " ON a.orderkey = b.orderkey"); } @Test public void testColumnAliases() { assertQuery("SELECT x, T.y, z + 1 FROM (SELECT custkey, orderstatus, totalprice FROM orders) T (x, y, z)", "SELECT custkey, orderstatus, totalprice + 1 FROM orders"); } @Test public void testWindowFunctionWithImplicitCoercion() { assertQuery("SELECT *, 1.0 * sum(x) OVER () FROM (VALUES 1) t(x)", "SELECT 1, 1.0"); } @SuppressWarnings("PointlessArithmeticExpression") @Test public void testWindowFunctionsExpressions() { assertQueryOrdered( "SELECT orderkey, orderstatus " + ", row_number() OVER (ORDER BY orderkey * 2) * " + " row_number() OVER (ORDER BY orderkey DESC) + 100 " + "FROM (SELECT * FROM orders ORDER BY orderkey LIMIT 10) x " + "ORDER BY orderkey LIMIT 5", "VALUES " + "(1, 'O', 110), " + "(2, 'O', 118), " + "(3, 'F', 124), " + "(4, 'O', 128), " + "(5, 'F', 130)"); } @Test public void testWindowFunctionsFromAggregate() { MaterializedResult actual = computeActual("" + "SELECT * FROM (\n" + " SELECT orderstatus, clerk, sales\n" + " , rank() OVER (PARTITION BY x.orderstatus ORDER BY sales DESC) rnk\n" + " FROM (\n" + " SELECT orderstatus, clerk, sum(totalprice) sales\n" + " FROM orders\n" + " GROUP BY orderstatus, clerk\n" + " ) x\n" + ") x\n" + "WHERE rnk <= 2\n" + "ORDER BY orderstatus, rnk"); MaterializedResult expected = resultBuilder(getSession(), VARCHAR, VARCHAR, DOUBLE, BIGINT) .row("F", "Clerk#000000090", 2784836.61, 1L).row("F", "Clerk#000000084", 2674447.15, 2L) .row("O", "Clerk#000000500", 2569878.29, 1L).row("O", "Clerk#000000050", 2500162.92, 2L) .row("P", "Clerk#000000071", 841820.99, 1L).row("P", "Clerk#000001000", 643679.49, 2L).build(); assertEquals(actual.getMaterializedRows(), expected.getMaterializedRows()); } @Test public void testOrderByWindowFunction() { assertQueryOrdered("SELECT orderkey, row_number() OVER (ORDER BY orderkey) " + "FROM (SELECT * FROM orders ORDER BY orderkey LIMIT 10) " + "ORDER BY 2 DESC " + "LIMIT 5", "VALUES (34, 10), " + "(33, 9), " + "(32, 8), " + "(7, 7), " + "(6, 6)"); } @Test public void testSameWindowFunctionsTwoCoerces() { MaterializedResult actual = computeActual("" + "SELECT 12.0E0 * row_number() OVER ()/row_number() OVER(),\n" + "row_number() OVER()\n" + "FROM (SELECT * FROM orders ORDER BY orderkey LIMIT 10)\n" + "ORDER BY 2 DESC\n" + "LIMIT 5"); MaterializedResult expected = resultBuilder(getSession(), DOUBLE, BIGINT).row(12.0, 10L).row(12.0, 9L) .row(12.0, 8L).row(12.0, 7L).row(12.0, 6L).build(); assertEquals(actual, expected); actual = computeActual("" + "SELECT (MAX(x.a) OVER () - x.a) * 100.0E0 / MAX(x.a) OVER ()\n" + "FROM (VALUES 1, 2, 3, 4) x(a)"); expected = resultBuilder(getSession(), DOUBLE).row(75.0).row(50.0).row(25.0).row(0.0).build(); assertEquals(actual, expected); } @Test public void testRowNumberNoOptimization() { MaterializedResult actual = computeActual("" + "SELECT orderkey, orderstatus FROM (\n" + " SELECT row_number() OVER () rn, orderkey, orderstatus\n" + " FROM orders\n" + ") WHERE NOT rn <= 10"); MaterializedResult all = computeExpected("SELECT orderkey, orderstatus FROM orders", actual.getTypes()); assertEquals(actual.getMaterializedRows().size(), all.getMaterializedRows().size() - 10); assertContains(all, actual); actual = computeActual("" + "SELECT orderkey, orderstatus FROM (\n" + " SELECT row_number() OVER () rn, orderkey, orderstatus\n" + " FROM orders\n" + ") WHERE rn - 5 <= 10"); all = computeExpected("SELECT orderkey, orderstatus FROM orders", actual.getTypes()); assertEquals(actual.getMaterializedRows().size(), 15); assertContains(all, actual); } @Test public void testRowNumberLimit() { MaterializedResult actual = computeActual( "" + "SELECT row_number() OVER (PARTITION BY orderstatus) rn, orderstatus\n" + "FROM orders\n" + "LIMIT 10"); assertEquals(actual.getMaterializedRows().size(), 10); actual = computeActual("" + "SELECT row_number() OVER (PARTITION BY orderstatus ORDER BY orderkey) rn\n" + "FROM orders\n" + "LIMIT 10"); assertEquals(actual.getMaterializedRows().size(), 10); actual = computeActual("" + "SELECT row_number() OVER () rn, orderstatus\n" + "FROM orders\n" + "LIMIT 10"); assertEquals(actual.getMaterializedRows().size(), 10); actual = computeActual( "" + "SELECT row_number() OVER (ORDER BY orderkey) rn\n" + "FROM orders\n" + "LIMIT 10"); assertEquals(actual.getMaterializedRows().size(), 10); } @Test public void testRowNumberMultipleFilters() { MaterializedResult actual = computeActual( "" + "SELECT * FROM (" + " SELECT a, row_number() OVER (PARTITION BY a ORDER BY a) rn\n" + " FROM (VALUES (1), (1), (1), (2), (2), (3)) t (a)) t " + "WHERE rn < 3 AND rn % 2 = 0 AND a = 2 LIMIT 2"); MaterializedResult expected = resultBuilder(getSession(), BIGINT, BIGINT).row(2, 2L).build(); assertEqualsIgnoreOrder(actual.getMaterializedRows(), expected.getMaterializedRows()); } @Test public void testRowNumberSpecialFilters() { // Test "row_number() = negative number" filter with ORDER BY. This should create a Window Node with a Filter Node on top and return 0 rows. assertQueryReturnsEmptyResult( "" + "SELECT * FROM (" + " SELECT a, row_number() OVER (PARTITION BY a ORDER BY a) rn\n" + " FROM (VALUES (1), (1), (1), (2), (2), (3)) t (a)) t " + "WHERE rn = -1"); // Test "row_number() <= negative number" filter with ORDER BY. This should create a Window Node with a Filter Node on top and return 0 rows. assertQueryReturnsEmptyResult( "" + "SELECT * FROM (" + " SELECT a, row_number() OVER (PARTITION BY a ORDER BY a) rn\n" + " FROM (VALUES (1), (1), (1), (2), (2), (3)) t (a)) t " + "WHERE rn <= -1"); // Test "row_number() = 0" filter with ORDER BY. This should create a Window Node with a Filter Node on top and return 0 rows. assertQueryReturnsEmptyResult( "" + "SELECT * FROM (" + " SELECT a, row_number() OVER (PARTITION BY a ORDER BY a) rn\n" + " FROM (VALUES (1), (1), (1), (2), (2), (3)) t (a)) t " + "WHERE rn = 0"); // Test "row_number() = negative number" filter without ORDER BY. This should create a RowNumber Node with a Filter Node on top and return 0 rows. assertQueryReturnsEmptyResult( "" + "SELECT * FROM (" + " SELECT a, row_number() OVER (PARTITION BY a) rn\n" + " FROM (VALUES (1), (1), (1), (2), (2), (3)) t (a)) t " + "WHERE rn = -1"); // Test "row_number() <= negative number" filter without ORDER BY. This should create a RowNumber Node with a Filter Node on top and return 0 rows. assertQueryReturnsEmptyResult( "" + "SELECT * FROM (" + " SELECT a, row_number() OVER (PARTITION BY a) rn\n" + " FROM (VALUES (1), (1), (1), (2), (2), (3)) t (a)) t " + "WHERE rn <= -1"); // Test "row_number() = 0" filter without ORDER BY. This should create a RowNumber Node with a Filter Node on top and return 0 rows. assertQueryReturnsEmptyResult( "" + "SELECT * FROM (" + " SELECT a, row_number() OVER (PARTITION BY a) rn\n" + " FROM (VALUES (1), (1), (1), (2), (2), (3)) t (a)) t " + "WHERE rn = 0"); } @Test public void testRowNumberFilterAndLimit() { MaterializedResult actual = computeActual( "" + "SELECT * FROM (" + "SELECT a, row_number() OVER (PARTITION BY a ORDER BY a) rn\n" + "FROM (VALUES (1), (2), (1), (2)) t (a)) t WHERE rn < 2 LIMIT 2"); MaterializedResult expected = resultBuilder(getSession(), BIGINT, BIGINT).row(1, 1L).row(2, 1L).build(); assertEqualsIgnoreOrder(actual.getMaterializedRows(), expected.getMaterializedRows()); actual = computeActual("" + "SELECT * FROM (" + "SELECT a, row_number() OVER (PARTITION BY a) rn\n" + "FROM (VALUES (1), (2), (1), (2), (1)) t (a)) t WHERE rn < 3 LIMIT 2"); expected = resultBuilder(getSession(), BIGINT, BIGINT).row(1, 1L).row(1, 2L).row(2, 1L).row(2, 2L).build(); assertEquals(actual.getMaterializedRows().size(), 2); assertContains(expected, actual); } @Test public void testRowNumberUnpartitionedFilter() { MaterializedResult actual = computeActual("" + "SELECT orderkey, orderstatus FROM (\n" + " SELECT row_number() OVER () rn, orderkey, orderstatus\n" + " FROM orders\n" + ") WHERE rn <= 5 AND orderstatus != 'Z'"); MaterializedResult all = computeExpected("SELECT orderkey, orderstatus FROM orders", actual.getTypes()); assertEquals(actual.getMaterializedRows().size(), 5); assertContains(all, actual); actual = computeActual("" + "SELECT orderkey, orderstatus FROM (\n" + " SELECT row_number() OVER () rn, orderkey, orderstatus\n" + " FROM orders\n" + ") WHERE rn < 5"); all = computeExpected("SELECT orderkey, orderstatus FROM orders", actual.getTypes()); assertEquals(actual.getMaterializedRows().size(), 4); assertContains(all, actual); actual = computeActual("" + "SELECT orderkey, orderstatus FROM (\n" + " SELECT row_number() OVER () rn, orderkey, orderstatus\n" + " FROM orders\n" + ") LIMIT 5"); all = computeExpected("SELECT orderkey, orderstatus FROM orders", actual.getTypes()); assertEquals(actual.getMaterializedRows().size(), 5); assertContains(all, actual); } @Test public void testRowNumberPartitionedFilter() { MaterializedResult actual = computeActual("" + "SELECT orderkey, orderstatus FROM (\n" + " SELECT row_number() OVER (PARTITION BY orderstatus) rn, orderkey, orderstatus\n" + " FROM orders\n" + ") WHERE rn <= 5"); MaterializedResult all = computeExpected("SELECT orderkey, orderstatus FROM orders", actual.getTypes()); // there are 3 DISTINCT orderstatus, so expect 15 rows. assertEquals(actual.getMaterializedRows().size(), 15); assertContains(all, actual); // Test for unreferenced outputs actual = computeActual("" + "SELECT orderkey FROM (\n" + " SELECT row_number() OVER (PARTITION BY orderstatus) rn, orderkey\n" + " FROM orders\n" + ") WHERE rn <= 5"); all = computeExpected("SELECT orderkey FROM orders", actual.getTypes()); // there are 3 distinct orderstatus, so expect 15 rows. assertEquals(actual.getMaterializedRows().size(), 15); assertContains(all, actual); } @Test public void testRowNumberJoin() { MaterializedResult actual = computeActual("SELECT a, rn\n" + "FROM (\n" + " SELECT a, row_number() OVER (ORDER BY a) rn\n" + " FROM (VALUES (1), (2)) t (a)\n" + ") a\n" + "JOIN (VALUES (2)) b (b) ON a.a = b.b\n" + "LIMIT 1"); MaterializedResult expected = resultBuilder(getSession(), BIGINT, BIGINT).row(2, 2L).build(); assertEqualsIgnoreOrder(actual.getMaterializedRows(), expected.getMaterializedRows()); actual = computeActual( "SELECT a, rn\n" + "FROM (\n" + " SELECT a, row_number() OVER (PARTITION BY a ORDER BY a) rn\n" + " FROM (VALUES (1), (2), (1), (2)) t (a)\n" + ") a\n" + "JOIN (VALUES (2)) b (b) ON a.a = b.b\n" + "LIMIT 2"); expected = resultBuilder(getSession(), BIGINT, BIGINT).row(2, 1L).row(2, 2L).build(); assertEqualsIgnoreOrder(actual.getMaterializedRows(), expected.getMaterializedRows()); } @Test public void testRowNumberUnpartitionedFilterLimit() { assertQuery("" + "SELECT row_number() OVER ()\n" + "FROM lineitem JOIN orders ON lineitem.orderkey = orders.orderkey\n" + "WHERE orders.orderkey = 10000\n" + "LIMIT 20"); } @Test public void testRowNumberPropertyDerivation() { assertQuery( "SELECT orderkey, orderstatus, SUM(rn) OVER (PARTITION BY orderstatus) c " + "FROM ( " + " SELECT orderkey, orderstatus, row_number() OVER (PARTITION BY orderstatus) rn " + " FROM ( " + " SELECT * FROM orders ORDER BY orderkey LIMIT 10 " + " ) " + ")", "VALUES " + "(1, 'O', 21), " + "(2, 'O', 21), " + "(3, 'F', 10), " + "(4, 'O', 21), " + "(5, 'F', 10), " + "(6, 'F', 10), " + "(7, 'O', 21), " + "(32, 'O', 21), " + "(33, 'F', 10), " + "(34, 'O', 21)"); } @Test public void testWindowMapAgg() { MaterializedResult actual = computeActual( "" + "SELECT map_agg(orderkey, orderpriority) OVER(PARTITION BY orderstatus) FROM\n" + "(SELECT * FROM orders ORDER BY orderkey LIMIT 5) t"); MaterializedResult expected = resultBuilder(getSession(), mapType(BIGINT, VarcharType.createVarcharType(1))) .row(ImmutableMap.of(1L, "5-LOW", 2L, "1-URGENT", 4L, "5-LOW")) .row(ImmutableMap.of(1L, "5-LOW", 2L, "1-URGENT", 4L, "5-LOW")) .row(ImmutableMap.of(1L, "5-LOW", 2L, "1-URGENT", 4L, "5-LOW")) .row(ImmutableMap.of(3L, "5-LOW", 5L, "5-LOW")).row(ImmutableMap.of(3L, "5-LOW", 5L, "5-LOW")) .build(); assertEqualsIgnoreOrder(actual.getMaterializedRows(), expected.getMaterializedRows()); } @Test public void testWindowPropertyDerivation() { assertQuery( "SELECT orderstatus, orderkey, " + "SUM(s) OVER (PARTITION BY orderstatus), " + "SUM(s) OVER (PARTITION BY orderstatus, orderkey), " + "SUM(s) OVER (PARTITION BY orderstatus ORDER BY orderkey), " + "SUM(s) OVER (ORDER BY orderstatus, orderkey) " + "FROM ( " + " SELECT orderkey, orderstatus, SUM(orderkey) OVER (ORDER BY orderstatus, orderkey) s " + " FROM ( " + " SELECT * FROM orders ORDER BY orderkey LIMIT 10 " + " ) " + ")", "VALUES " + "('F', 3, 72, 3, 3, 3), " + "('F', 5, 72, 8, 11, 11), " + "('F', 6, 72, 14, 25, 25), " + "('F', 33, 72, 47, 72, 72), " + "('O', 1, 433, 48, 48, 120), " + "('O', 2, 433, 50, 98, 170), " + "('O', 4, 433, 54, 152, 224), " + "('O', 7, 433, 61, 213, 285), " + "('O', 32, 433, 93, 306, 378), " + "('O', 34, 433, 127, 433, 505)"); } @Test public void testTopNUnpartitionedWindow() { MaterializedResult actual = computeActual("" + "SELECT * FROM (\n" + " SELECT row_number() OVER (ORDER BY orderkey) rn, orderkey, orderstatus\n" + " FROM orders\n" + ") WHERE rn <= 5"); String sql = "SELECT row_number() OVER (), orderkey, orderstatus FROM orders ORDER BY orderkey LIMIT 5"; MaterializedResult expected = computeExpected(sql, actual.getTypes()); assertEquals(actual, expected); } @Test public void testTopNUnpartitionedLargeWindow() { MaterializedResult actual = computeActual("" + "SELECT * FROM (\n" + " SELECT row_number() OVER (ORDER BY orderkey) rn, orderkey, orderstatus\n" + " FROM orders\n" + ") WHERE rn <= 10000"); String sql = "SELECT row_number() OVER (), orderkey, orderstatus FROM orders ORDER BY orderkey LIMIT 10000"; MaterializedResult expected = computeExpected(sql, actual.getTypes()); assertEqualsIgnoreOrder(actual, expected); } @Test public void testTopNPartitionedWindow() { assertQuery("SELECT * FROM ( " + " SELECT row_number() OVER (PARTITION BY orderstatus ORDER BY orderkey) rn, orderkey, orderstatus " + " FROM orders " + ") WHERE rn <= 2", "VALUES " + "(1, 1, 'O'), " + "(2, 2, 'O'), " + "(1, 3, 'F'), " + "(2, 5, 'F'), " + "(1, 65, 'P'), " + "(2, 197, 'P')"); // Test for unreferenced outputs assertQuery( "SELECT * FROM ( " + " SELECT row_number() OVER (PARTITION BY orderstatus ORDER BY orderkey) rn, orderkey " + " FROM orders " + ") WHERE rn <= 2", "VALUES " + "(1, 1), " + "(2, 2), " + "(1, 3), " + "(2, 5), " + "(1, 65), " + "(2, 197)"); assertQuery("SELECT * FROM ( " + " SELECT row_number() OVER (PARTITION BY orderstatus ORDER BY orderkey) rn, orderstatus " + " FROM orders " + ") WHERE rn <= 2", "VALUES " + "(1, 'O'), " + "(2, 'O'), " + "(1, 'F'), " + "(2, 'F'), " + "(1, 'P'), " + "(2, 'P')"); } @Test public void testTopNUnpartitionedWindowWithEqualityFilter() { assertQuery( "SELECT * FROM ( " + " SELECT row_number() OVER (ORDER BY orderkey) rn, orderkey, orderstatus " + " FROM orders " + ") WHERE rn = 2", "VALUES (2, 2, 'O')"); } @Test public void testTopNUnpartitionedWindowWithCompositeFilter() { assertQuery( "SELECT * FROM ( " + " SELECT row_number() OVER (ORDER BY orderkey) rn, orderkey, orderstatus " + " FROM orders " + ") WHERE rn = 1 OR rn IN (3, 4) OR rn BETWEEN 6 AND 7", "VALUES " + "(1, 1, 'O'), " + "(3, 3, 'F'), " + "(4, 4, 'O'), " + "(6, 6, 'F'), " + "(7, 7, 'O')"); } @Test public void testTopNPartitionedWindowWithEqualityFilter() { assertQuery("SELECT * FROM ( " + " SELECT row_number() OVER (PARTITION BY orderstatus ORDER BY orderkey) rn, orderkey, orderstatus " + " FROM orders " + ") WHERE rn = 2", "VALUES " + "(2, 2, 'O'), " + "(2, 5, 'F'), " + "(2, 197, 'P')"); // Test for unreferenced outputs assertQuery("SELECT * FROM ( " + " SELECT row_number() OVER (PARTITION BY orderstatus ORDER BY orderkey) rn, orderkey " + " FROM orders " + ") WHERE rn = 2", "VALUES (2, 2), (2, 5), (2, 197)"); assertQuery("SELECT * FROM ( " + " SELECT row_number() OVER (PARTITION BY orderstatus ORDER BY orderkey) rn, orderstatus " + " FROM orders " + ") WHERE rn = 2", "VALUES (2, 'O'), (2, 'F'), (2, 'P')"); } @Test public void testWindowFunctionWithGroupBy() { MaterializedResult actual = computeActual( "" + "SELECT *, rank() OVER (PARTITION BY x)\n" + "FROM (SELECT 'foo' x)\n" + "GROUP BY 1"); MaterializedResult expected = resultBuilder(getSession(), createVarcharType(3), BIGINT).row("foo", 1L) .build(); assertEquals(actual, expected); } @Test public void testPartialPrePartitionedWindowFunction() { assertQueryOrdered( "" + "SELECT orderkey, COUNT(*) OVER (PARTITION BY orderkey, custkey) " + "FROM (SELECT * FROM orders ORDER BY orderkey LIMIT 10) " + "ORDER BY orderkey LIMIT 5", "VALUES (1, 1), " + "(2, 1), " + "(3, 1), " + "(4, 1), " + "(5, 1)"); } @Test public void testFullPrePartitionedWindowFunction() { assertQueryOrdered( "SELECT orderkey, COUNT(*) OVER (PARTITION BY orderkey) " + "FROM (SELECT * FROM orders ORDER BY orderkey LIMIT 10) " + "ORDER BY orderkey LIMIT 5", "VALUES (1, 1), (2, 1), (3, 1), (4, 1), (5, 1)"); } @Test public void testPartialPreSortedWindowFunction() { assertQueryOrdered( "SELECT orderkey, COUNT(*) OVER (ORDER BY orderkey, custkey) " + "FROM (SELECT * FROM orders ORDER BY orderkey LIMIT 10) " + "ORDER BY orderkey LIMIT 5", "VALUES (1, 1), " + "(2, 2), " + "(3, 3), " + "(4, 4), " + "(5, 5)"); } @Test public void testFullPreSortedWindowFunction() { assertQueryOrdered( "SELECT orderkey, COUNT(*) OVER (ORDER BY orderkey) " + "FROM (SELECT * FROM orders ORDER BY orderkey LIMIT 10) " + "ORDER BY orderkey LIMIT 5", "VALUES (1, 1), (2, 2), (3, 3), (4, 4), (5, 5)"); } @Test public void testFullyPartitionedAndPartiallySortedWindowFunction() { assertQueryOrdered( "SELECT orderkey, custkey, orderPriority, COUNT(*) OVER (PARTITION BY orderkey ORDER BY custkey, orderPriority) " + "FROM (SELECT * FROM orders ORDER BY orderkey, custkey LIMIT 10) " + "ORDER BY orderkey LIMIT 5", "VALUES (1, 370, '5-LOW', 1), " + "(2, 781, '1-URGENT', 1), " + "(3, 1234, '5-LOW', 1), " + "(4, 1369, '5-LOW', 1), " + "(5, 445, '5-LOW', 1)"); } @Test public void testFullyPartitionedAndFullySortedWindowFunction() { assertQueryOrdered("SELECT orderkey, custkey, COUNT(*) OVER (PARTITION BY orderkey ORDER BY custkey) " + "FROM (SELECT * FROM orders ORDER BY orderkey, custkey LIMIT 10) " + "ORDER BY orderkey LIMIT 5", "VALUES (1, 370, 1), " + "(2, 781, 1), " + "(3, 1234, 1), " + "(4, 1369, 1), " + "(5, 445, 1)"); } @Test public void testOrderByWindowFunctionWithNulls() { // Nulls first assertQueryOrdered( "SELECT orderkey, row_number() OVER (ORDER BY nullif(orderkey, 3) NULLS FIRST) " + "FROM (SELECT * FROM orders ORDER BY orderkey LIMIT 10) " + "ORDER BY 2 ASC " + "LIMIT 5", "VALUES (3, 1), " + "(1, 2), " + "(2, 3), " + "(4, 4)," + "(5, 5)"); // Nulls last String nullsLastExpected = "VALUES (3, 10), " + "(34, 9), " + "(33, 8), " + "(32, 7), " + "(7, 6)"; assertQueryOrdered("SELECT orderkey, row_number() OVER (ORDER BY nullif(orderkey, 3) NULLS LAST) " + "FROM (SELECT * FROM orders ORDER BY orderkey LIMIT 10) " + "ORDER BY 2 DESC " + "LIMIT 5", nullsLastExpected); // and nulls last should be the default assertQueryOrdered("SELECT orderkey, row_number() OVER (ORDER BY nullif(orderkey, 3)) " + "FROM (SELECT * FROM orders ORDER BY orderkey LIMIT 10) " + "ORDER BY 2 DESC " + "LIMIT 5", nullsLastExpected); } @Test public void testValueWindowFunctions() { assertQueryOrdered("SELECT * FROM ( " + " SELECT orderkey, orderstatus " + " , first_value(orderkey + 1000) OVER (PARTITION BY orderstatus ORDER BY orderkey) fvalue " + " , nth_value(orderkey + 1000, 2) OVER (PARTITION BY orderstatus ORDER BY orderkey " + " ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING) nvalue " + " FROM (SELECT * FROM orders ORDER BY orderkey LIMIT 10) x " + " ) x " + "ORDER BY orderkey LIMIT 5", "VALUES " + "(1, 'O', 1001, 1002), " + "(2, 'O', 1001, 1002), " + "(3, 'F', 1003, 1005), " + "(4, 'O', 1001, 1002), " + "(5, 'F', 1003, 1005)"); } @Test public void testWindowFrames() { MaterializedResult actual = computeActual("SELECT * FROM (\n" + " SELECT orderkey, orderstatus\n" + " , sum(orderkey + 1000) OVER (PARTITION BY orderstatus ORDER BY orderkey\n" + " ROWS BETWEEN mod(custkey, 2) PRECEDING AND custkey / 500 FOLLOWING)\n" + " FROM (SELECT * FROM orders ORDER BY orderkey LIMIT 10) x\n" + " ) x\n" + "ORDER BY orderkey LIMIT 5"); MaterializedResult expected = resultBuilder(getSession(), BIGINT, VARCHAR, BIGINT).row(1L, "O", 1001L) .row(2L, "O", 3007L).row(3L, "F", 3014L).row(4L, "O", 4045L).row(5L, "F", 2008L).build(); assertEquals(actual.getMaterializedRows(), expected.getMaterializedRows()); } @Test public void testWindowNoChannels() { MaterializedResult actual = computeActual( "SELECT rank() OVER ()\n" + "FROM (SELECT * FROM orders LIMIT 10)\n" + "LIMIT 3"); MaterializedResult expected = resultBuilder(getSession(), BIGINT).row(1L).row(1L).row(1L).build(); assertEquals(actual, expected); } @Test public void testScalarFunction() { assertQuery("SELECT SUBSTR('Quadratically', 5, 6)"); } @Test public void testCast() { assertQuery("SELECT CAST('1' AS BIGINT)"); assertQuery("SELECT CAST(totalprice AS BIGINT) FROM orders"); assertQuery("SELECT CAST(orderkey AS DOUBLE) FROM orders"); assertQuery("SELECT CAST(orderkey AS VARCHAR) FROM orders"); assertQuery("SELECT CAST(orderkey AS BOOLEAN) FROM orders"); assertQuery("SELECT try_cast('1' AS BIGINT)", "SELECT CAST('1' AS BIGINT)"); assertQuery("SELECT try_cast(totalprice AS BIGINT) FROM orders", "SELECT CAST(totalprice AS BIGINT) FROM orders"); assertQuery("SELECT try_cast(orderkey AS DOUBLE) FROM orders", "SELECT CAST(orderkey AS DOUBLE) FROM orders"); assertQuery("SELECT try_cast(orderkey AS VARCHAR) FROM orders", "SELECT CAST(orderkey AS VARCHAR) FROM orders"); assertQuery("SELECT try_cast(orderkey AS BOOLEAN) FROM orders", "SELECT CAST(orderkey AS BOOLEAN) FROM orders"); assertQuery("SELECT try_cast('foo' AS BIGINT)", "SELECT CAST(null AS BIGINT)"); assertQuery("SELECT try_cast(clerk AS BIGINT) FROM orders", "SELECT CAST(null AS BIGINT) FROM orders"); assertQuery("SELECT try_cast(orderkey * orderkey AS VARCHAR) FROM orders", "SELECT CAST(orderkey * orderkey AS VARCHAR) FROM orders"); assertQuery("SELECT try_cast(try_cast(orderkey AS VARCHAR) AS BIGINT) FROM orders", "SELECT orderkey FROM orders"); assertQuery("SELECT try_cast(clerk AS VARCHAR) || try_cast(clerk AS VARCHAR) FROM orders", "SELECT clerk || clerk FROM orders"); assertQuery("SELECT coalesce(try_cast('foo' AS BIGINT), 456)", "SELECT 456"); assertQuery("SELECT coalesce(try_cast(clerk AS BIGINT), 456) FROM orders", "SELECT 456 FROM orders"); assertQuery("SELECT CAST(x AS BIGINT) FROM (VALUES 1, 2, 3, NULL) t (x)", "VALUES 1, 2, 3, NULL"); assertQuery("SELECT try_cast(x AS BIGINT) FROM (VALUES 1, 2, 3, NULL) t (x)", "VALUES 1, 2, 3, NULL"); } @Test public void testInvalidCast() { assertQueryFails("SELECT CAST(1 AS DATE)", "line 1:8: Cannot cast integer to date"); } @Test public void testInvalidCastInMultilineQuery() { assertQueryFails("SELECT CAST(totalprice AS BIGINT),\n" + "CAST(2015 AS DATE),\n" + "CAST(orderkey AS DOUBLE) FROM orders", "line 2:1: Cannot cast integer to date"); } @Test public void testTryInvalidCast() { assertQuery("SELECT TRY(CAST('a' AS BIGINT))", "SELECT NULL"); } @Test public void testConcatOperator() { assertQuery("SELECT '12' || '34'"); } @Test public void testQuotedIdentifiers() { assertQuery("SELECT \"TOTALPRICE\" \"my price\" FROM \"ORDERS\""); } @Test public void testInvalidColumn() { assertQueryFails( "SELECT * FROM lineitem l JOIN (SELECT orderkey_1, custkey FROM orders) o on l.orderkey = o.orderkey_1", "line 1:39: Column 'orderkey_1' cannot be resolved"); } @Test public void testUnaliasedSubqueries() { assertQuery("SELECT orderkey FROM (SELECT orderkey FROM orders)"); } @Test public void testUnaliasedSubqueries1() { assertQuery("SELECT a FROM (SELECT orderkey a FROM orders)"); } @Test public void testJoinUnaliasedSubqueries() { assertQuery("SELECT COUNT(*) FROM (SELECT * FROM lineitem) JOIN (SELECT * FROM orders) USING (orderkey)", "SELECT COUNT(*) FROM lineitem JOIN orders ON lineitem.orderkey = orders.orderkey"); } @Test public void testWith() { assertQuery("" + "WITH a AS (SELECT * FROM orders) " + "SELECT * FROM a", "SELECT * FROM orders"); } @Test public void testWithQualifiedPrefix() { assertQuery("WITH a AS (SELECT 123) SELECT a.* FROM a", "SELECT 123"); } @Test public void testWithAliased() { assertQuery("WITH a AS (SELECT * FROM orders) SELECT * FROM a x", "SELECT * FROM orders"); } @Test public void testReferenceToWithQueryInFromClause() { assertQuery("WITH a AS (SELECT * FROM orders)" + "SELECT * FROM (" + " SELECT * FROM a" + ")", "SELECT * FROM orders"); } @Test public void testWithChaining() { assertQuery( "" + "WITH a AS (SELECT orderkey n FROM orders)\n" + ", b AS (SELECT n + 1 n FROM a)\n" + ", c AS (SELECT n + 1 n FROM b)\n" + "SELECT n + 1 FROM c", "SELECT orderkey + 3 FROM orders"); } @Test public void testWithSelfJoin() { assertQuery( "" + "WITH x AS (SELECT DISTINCT orderkey FROM orders ORDER BY orderkey LIMIT 10)\n" + "SELECT count(*) FROM x a JOIN x b USING (orderkey)", "" + "SELECT count(*)\n" + "FROM (SELECT DISTINCT orderkey FROM orders ORDER BY orderkey LIMIT 10) a\n" + "JOIN (SELECT DISTINCT orderkey FROM orders ORDER BY orderkey LIMIT 10) b ON a.orderkey = b.orderkey"); } @Test public void testWithNestedSubqueries() { assertQuery("" + "WITH a AS (\n" + " WITH aa AS (SELECT 123 x FROM orders LIMIT 1)\n" + " SELECT x y FROM aa\n" + "), b AS (\n" + " WITH bb AS (\n" + " WITH bbb AS (SELECT y FROM a)\n" + " SELECT bbb.* FROM bbb\n" + " )\n" + " SELECT y z FROM bb\n" + ")\n" + "SELECT *\n" + "FROM (\n" + " WITH q AS (SELECT z w FROM b)\n" + " SELECT j.*, k.*\n" + " FROM a j\n" + " JOIN q k ON (j.y = k.w)\n" + ") t", "" + "SELECT 123, 123 FROM orders LIMIT 1"); } @Test public void testWithColumnAliasing() { assertQuery("WITH a (id) AS (SELECT 123) SELECT id FROM a", "SELECT 123"); assertQuery("WITH t (a, b, c) AS (SELECT 1, custkey x, orderkey FROM orders) SELECT c, b, a FROM t", "SELECT orderkey, custkey, 1 FROM orders"); } @Test public void testWithHiding() { assertQuery("" + "WITH a AS (SELECT 1), " + " b AS (" + " WITH a AS (SELECT 2)" + " SELECT * FROM a" + " )" + "SELECT * FROM b", "SELECT 2"); assertQueryFails("WITH a AS (VALUES 1), " + " a AS (VALUES 2)" + "SELECT * FROM a", "line 1:28: WITH query name 'a' specified more than once"); } @Test public void testWithRecursive() { assertQueryFails("WITH RECURSIVE a AS (SELECT 123) SELECT * FROM a", "line 1:1: Recursive WITH queries are not supported"); } @Test public void testCaseNoElse() { assertQuery("SELECT orderkey, CASE orderstatus WHEN 'O' THEN 'a' END FROM orders"); } @Test public void testCaseNoElseInconsistentResultType() { assertQueryFails("SELECT orderkey, CASE orderstatus WHEN 'O' THEN 'a' WHEN '1' THEN 2 END FROM orders", "\\Qline 1:67: All CASE results must be the same type: varchar(1)\\E"); } @Test public void testCaseWithSupertypeCast() { assertQuery( " SELECT CASE x WHEN 1 THEN CAST(1 AS decimal(4,1)) WHEN 2 THEN CAST(1 AS decimal(4,2)) ELSE CAST(1 AS decimal(4,3)) END FROM (values 1) t(x)", "SELECT 1.000"); } @Test public void testIfExpression() { assertQuery("SELECT sum(IF(orderstatus = 'F', totalprice, 0.0)) FROM orders", "SELECT sum(CASE WHEN orderstatus = 'F' THEN totalprice ELSE 0.0 END) FROM orders"); assertQuery("SELECT sum(IF(orderstatus = 'Z', totalprice)) FROM orders", "SELECT sum(CASE WHEN orderstatus = 'Z' THEN totalprice END) FROM orders"); assertQuery("SELECT sum(IF(orderstatus = 'F', NULL, totalprice)) FROM orders", "SELECT sum(CASE WHEN orderstatus = 'F' THEN NULL ELSE totalprice END) FROM orders"); assertQuery("SELECT IF(orderstatus = 'Z', orderkey / 0, orderkey) FROM orders", "SELECT CASE WHEN orderstatus = 'Z' THEN orderkey / 0 ELSE orderkey END FROM orders"); assertQuery("SELECT sum(IF(NULLIF(orderstatus, 'F') <> 'F', totalprice, 5.1)) FROM orders", "SELECT sum(CASE WHEN NULLIF(orderstatus, 'F') <> 'F' THEN totalprice ELSE 5.1 END) FROM orders"); // coercions to supertype assertQuery("SELECT if(true, CAST(1 AS decimal(2,1)), 1)", "SELECT 1.0"); } @Test public void testIn() { assertQuery("SELECT orderkey FROM orders WHERE orderkey IN (1, 2, 3)"); assertQuery("SELECT orderkey FROM orders WHERE orderkey IN (1.5, 2.3)", "SELECT orderkey FROM orders LIMIT 0"); // H2 incorrectly matches rows assertQuery("SELECT orderkey FROM orders WHERE orderkey IN (1, 2E0, 3)"); assertQuery("SELECT orderkey FROM orders WHERE totalprice IN (1, 2, 3)"); assertQuery("SELECT x FROM (values 3, 100) t(x) WHERE x IN (2147483649)", "SELECT * WHERE false"); assertQuery( "SELECT x FROM (values 3, 100, 2147483648, 2147483649, 2147483650) t(x) WHERE x IN (2147483648, 2147483650)", "values 2147483648, 2147483650"); assertQuery( "SELECT x FROM (values 3, 100, 2147483648, 2147483649, 2147483650) t(x) WHERE x IN (3, 4, 2147483648, 2147483650)", "values 3, 2147483648, 2147483650"); assertQuery( "SELECT x FROM (values 1, 2, 3) t(x) WHERE x IN (1 + CAST(rand() < 0 AS bigint), 2 + CAST(rand() < 0 AS bigint))", "values 1, 2"); assertQuery( "SELECT x FROM (values 1, 2, 3, 4) t(x) WHERE x IN (1 + CAST(rand() < 0 AS bigint), 2 + CAST(rand() < 0 AS bigint), 4)", "values 1, 2, 4"); assertQuery("SELECT x FROM (values 1, 2, 3, 4) t(x) WHERE x IN (4, 2, 1)", "values 1, 2, 4"); assertQuery( "SELECT x FROM (values 1, 2, 3, 2147483648) t(x) WHERE x IN (1 + CAST(rand() < 0 AS bigint), 2 + CAST(rand() < 0 AS bigint), 2147483648)", "values 1, 2, 2147483648"); assertQuery("SELECT x IN (0) FROM (values 4294967296) t(x)", "values false"); assertQuery( "SELECT x IN (0, 4294967297 + CAST(rand() < 0 AS bigint)) FROM (values 4294967296, 4294967297) t(x)", "values false, true"); assertQuery("SELECT NULL in (1, 2, 3)", "values null"); assertQuery("SELECT 1 in (1, NULL, 3)", "values true"); assertQuery("SELECT 2 in (1, NULL, 3)", "values null"); assertQuery( "SELECT x FROM (values DATE '1970-01-01', DATE '1970-01-03') t(x) WHERE x IN (DATE '1970-01-01')", "values DATE '1970-01-01'"); assertEquals(computeActual( "SELECT x FROM (values TIMESTAMP '1970-01-01 00:01:00+00:00', TIMESTAMP '1970-01-01 08:01:00+08:00', TIMESTAMP '1970-01-01 00:01:00+08:00') t(x) WHERE x IN (TIMESTAMP '1970-01-01 00:01:00+00:00')") .getOnlyColumn().collect(toList()), ImmutableList.of(zonedDateTime("1970-01-01 00:01:00.000 UTC"), zonedDateTime("1970-01-01 08:01:00.000 +08:00"))); assertQuery("SELECT COUNT(*) FROM (values 1) t(x) WHERE x IN (null, 0)", "SELECT 0"); assertQuery("SELECT d IN (DECIMAL '2.0', DECIMAL '30.0') FROM (VALUES (2.0E0)) t(d)", "SELECT true"); // coercion with type only coercion inside IN list } @Test public void testLargeIn() { String longValues = range(0, 5000).mapToObj(Integer::toString).collect(joining(", ")); assertQuery("SELECT orderkey FROM orders WHERE orderkey IN (" + longValues + ")"); assertQuery("SELECT orderkey FROM orders WHERE orderkey NOT IN (" + longValues + ")"); assertQuery("SELECT orderkey FROM orders WHERE orderkey IN (mod(1000, orderkey), " + longValues + ")"); assertQuery("SELECT orderkey FROM orders WHERE orderkey NOT IN (mod(1000, orderkey), " + longValues + ")"); String arrayValues = range(0, 5000).mapToObj(i -> format("ARRAY[%s, %s, %s]", i, i + 1, i + 2)) .collect(joining(", ")); assertQuery("SELECT ARRAY[0, 0, 0] in (ARRAY[0, 0, 0], " + arrayValues + ")", "values true"); assertQuery("SELECT ARRAY[0, 0, 0] in (" + arrayValues + ")", "values false"); } @Test public void testNullOnLhsOfInPredicateAllowed() { assertQuery("SELECT NULL IN (1, 2, 3)", "SELECT NULL"); assertQuery("SELECT NULL IN (SELECT 1)", "SELECT NULL"); assertQuery("SELECT NULL IN (SELECT 1 WHERE FALSE)", "SELECT FALSE"); assertQuery("SELECT x FROM (VALUES NULL) t(x) WHERE x IN (SELECT 1)", "SELECT 33 WHERE FALSE"); assertQuery("SELECT NULL IN (SELECT CAST(NULL AS BIGINT))", "SELECT NULL"); assertQuery("SELECT NULL IN (SELECT NULL WHERE FALSE)", "SELECT FALSE"); assertQuery("SELECT NULL IN ((SELECT 1) UNION ALL (SELECT NULL))", "SELECT NULL"); assertQuery( "SELECT x IN (SELECT TRUE) FROM (SELECT * FROM (VALUES CAST(NULL AS BOOLEAN)) t(x) WHERE (x OR NULL) IS NULL)", "SELECT NULL"); assertQuery( "SELECT x IN (SELECT 1) FROM (SELECT * FROM (VALUES CAST(NULL AS INTEGER)) t(x) WHERE (x + 10 IS NULL) OR X = 2)", "SELECT NULL"); assertQuery( "SELECT x IN (SELECT 1 WHERE FALSE) FROM (SELECT * FROM (VALUES CAST(NULL AS INTEGER)) t(x) WHERE (x + 10 IS NULL) OR X = 2)", "SELECT FALSE"); } @Test public void testInSubqueryWithCrossJoin() { assertQuery( "SELECT a FROM (VALUES (1),(2)) t(a) WHERE a IN " + "(SELECT b FROM (VALUES (ARRAY[2])) AS t1 (a) CROSS JOIN UNNEST(a) AS t2(b))", "SELECT 2"); } @Test public void testDuplicateFields() { assertQuery("SELECT * FROM (SELECT orderkey, orderkey FROM orders)", "SELECT orderkey, orderkey FROM orders"); } @Test public void testDuplicateColumnsInWindowOrderByClause() { MaterializedResult actual = computeActual( "SELECT a, row_number() OVER (ORDER BY a ASC, a DESC) FROM (VALUES 3, 2, 1) t(a)"); MaterializedResult expected = resultBuilder(getSession(), BIGINT, BIGINT).row(1, 1L).row(2, 2L).row(3, 3L) .build(); assertEqualsIgnoreOrder(actual, expected); } @Test public void testWildcardFromSubquery() { assertQuery("SELECT * FROM (SELECT orderkey X FROM orders)"); } @Test public void testCaseInsensitiveOutputAliasInOrderBy() { assertQueryOrdered("SELECT orderkey X FROM orders ORDER BY x"); } @Test public void testCaseInsensitiveAttribute() { assertQuery("SELECT x FROM (SELECT orderkey X FROM orders)"); } @Test public void testCaseInsensitiveAliasedRelation() { assertQuery("SELECT A.* FROM orders a"); } @Test public void testCaseInsensitiveRowFieldReference() { assertQuery("SELECT a.Col0 FROM (VALUES row(cast(ROW(1,2) AS ROW(col0 integer, col1 integer)))) AS t (a)", "SELECT 1"); } @Test public void testSubqueryBody() { assertQuery("(SELECT orderkey, custkey FROM orders)"); } @Test public void testSubqueryBodyOrderLimit() { assertQueryOrdered("(SELECT orderkey AS a, custkey AS b FROM orders) ORDER BY a LIMIT 1"); } @Test public void testSubqueryBodyProjectedOrderby() { assertQueryOrdered("(SELECT orderkey, custkey FROM orders) ORDER BY orderkey * -1"); } @Test public void testSubqueryBodyDoubleOrderby() { assertQueryOrdered("(SELECT orderkey, custkey FROM orders ORDER BY custkey) ORDER BY orderkey"); } @Test public void testNodeRoster() { List<MaterializedRow> result = computeActual("SELECT * FROM system.runtime.nodes").getMaterializedRows(); assertEquals(result.size(), getNodeCount()); } @Test public void testCountOnInternalTables() { List<MaterializedRow> rows = computeActual("SELECT count(*) FROM system.runtime.nodes") .getMaterializedRows(); assertEquals(((Long) rows.get(0).getField(0)).longValue(), getNodeCount()); } @Test public void testTransactionsTable() { List<MaterializedRow> result = computeActual("SELECT * FROM system.runtime.transactions") .getMaterializedRows(); assertTrue(result.size() >= 1); // At least one row for the current transaction. } @Test public void testDefaultExplainTextFormat() { String query = "SELECT * FROM orders"; MaterializedResult result = computeActual("EXPLAIN " + query); assertEquals(getOnlyElement(result.getOnlyColumnAsSet()), getExplainPlan(query, LOGICAL)); } @Test public void testDefaultExplainGraphvizFormat() { String query = "SELECT * FROM orders"; MaterializedResult result = computeActual("EXPLAIN (FORMAT GRAPHVIZ) " + query); assertEquals(getOnlyElement(result.getOnlyColumnAsSet()), getGraphvizExplainPlan(query, LOGICAL)); } @Test public void testLogicalExplain() { String query = "SELECT * FROM orders"; MaterializedResult result = computeActual("EXPLAIN (TYPE LOGICAL) " + query); assertEquals(getOnlyElement(result.getOnlyColumnAsSet()), getExplainPlan(query, LOGICAL)); } @Test public void testIOExplain() { String query = "SELECT * FROM orders"; MaterializedResult result = computeActual("EXPLAIN (TYPE IO) " + query); assertEquals(getOnlyElement(result.getOnlyColumnAsSet()), getExplainPlan(query, IO)); } @Test public void testLogicalExplainTextFormat() { String query = "SELECT * FROM orders"; MaterializedResult result = computeActual("EXPLAIN (TYPE LOGICAL, FORMAT TEXT) " + query); assertEquals(getOnlyElement(result.getOnlyColumnAsSet()), getExplainPlan(query, LOGICAL)); } @Test public void testLogicalExplainGraphvizFormat() { String query = "SELECT * FROM orders"; MaterializedResult result = computeActual("EXPLAIN (TYPE LOGICAL, FORMAT GRAPHVIZ) " + query); assertEquals(getOnlyElement(result.getOnlyColumnAsSet()), getGraphvizExplainPlan(query, LOGICAL)); } @Test public void testDistributedExplain() { String query = "SELECT * FROM orders"; MaterializedResult result = computeActual("EXPLAIN (TYPE DISTRIBUTED) " + query); assertEquals(getOnlyElement(result.getOnlyColumnAsSet()), getExplainPlan(query, DISTRIBUTED)); } @Test public void testDistributedExplainTextFormat() { String query = "SELECT * FROM orders"; MaterializedResult result = computeActual("EXPLAIN (TYPE DISTRIBUTED, FORMAT TEXT) " + query); assertEquals(getOnlyElement(result.getOnlyColumnAsSet()), getExplainPlan(query, DISTRIBUTED)); } @Test public void testDistributedExplainGraphvizFormat() { String query = "SELECT * FROM orders"; MaterializedResult result = computeActual("EXPLAIN (TYPE DISTRIBUTED, FORMAT GRAPHVIZ) " + query); assertEquals(getOnlyElement(result.getOnlyColumnAsSet()), getGraphvizExplainPlan(query, DISTRIBUTED)); } @Test public void testExplainValidate() { MaterializedResult result = computeActual("EXPLAIN (TYPE VALIDATE) SELECT 1"); assertEquals(result.getOnlyValue(), true); } @Test(expectedExceptions = Exception.class, expectedExceptionsMessageRegExp = "line 1:32: Column 'x' cannot be resolved") public void testExplainValidateThrows() { computeActual("EXPLAIN (TYPE VALIDATE) SELECT x"); } @Test public void testExplainOfExplain() { String query = "EXPLAIN SELECT * FROM orders"; MaterializedResult result = computeActual("EXPLAIN " + query); assertEquals(getOnlyElement(result.getOnlyColumnAsSet()), getExplainPlan(query, LOGICAL)); } @Test public void testExplainOfExplainAnalyze() { String query = "EXPLAIN ANALYZE SELECT * FROM orders"; MaterializedResult result = computeActual("EXPLAIN " + query); assertEquals(getOnlyElement(result.getOnlyColumnAsSet()), getExplainPlan(query, LOGICAL)); } @Test public void testExplainDdl() { assertExplainDdl("CREATE TABLE foo (pk bigint)", "CREATE TABLE foo"); assertExplainDdl("CREATE VIEW foo AS SELECT * FROM orders", "CREATE VIEW foo"); assertExplainDdl("DROP TABLE orders"); assertExplainDdl("DROP VIEW view"); assertExplainDdl("ALTER TABLE orders RENAME TO new_name"); assertExplainDdl("ALTER TABLE orders RENAME COLUMN orderkey TO new_column_name"); assertExplainDdl("SET SESSION foo = 'bar'"); assertExplainDdl("PREPARE my_query FROM SELECT * FROM orders", "PREPARE my_query"); assertExplainDdl("DEALLOCATE PREPARE my_query"); assertExplainDdl("RESET SESSION foo"); assertExplainDdl("START TRANSACTION"); assertExplainDdl("COMMIT"); assertExplainDdl("ROLLBACK"); } private void assertExplainDdl(String query) { assertExplainDdl(query, query); } private void assertExplainDdl(String query, String expected) { MaterializedResult result = computeActual("EXPLAIN " + query); assertEquals(getOnlyElement(result.getOnlyColumnAsSet()), expected); } @Test public void testExplainExecute() { Session session = Session.builder(getSession()).addPreparedStatement("my_query", "SELECT * FROM orders") .build(); MaterializedResult result = computeActual(session, "EXPLAIN (TYPE LOGICAL) EXECUTE my_query"); assertEquals(getOnlyElement(result.getOnlyColumnAsSet()), getExplainPlan("SELECT * FROM orders", LOGICAL)); } @Test public void testExplainExecuteWithUsing() { Session session = Session.builder(getSession()) .addPreparedStatement("my_query", "SELECT * FROM orders WHERE orderkey < ?").build(); MaterializedResult result = computeActual(session, "EXPLAIN (TYPE LOGICAL) EXECUTE my_query USING 7"); assertEquals(getOnlyElement(result.getOnlyColumnAsSet()), getExplainPlan("SELECT * FROM orders WHERE orderkey < 7", LOGICAL)); } @Test public void testExplainSetSessionWithUsing() { Session session = Session.builder(getSession()).addPreparedStatement("my_query", "SET SESSION foo = ?") .build(); MaterializedResult result = computeActual(session, "EXPLAIN (TYPE LOGICAL) EXECUTE my_query USING 7"); assertEquals(getOnlyElement(result.getOnlyColumnAsSet()), "SET SESSION foo = 7"); } @Test public void testShowCatalogs() { MaterializedResult result = computeActual("SHOW CATALOGS"); assertTrue(result.getOnlyColumnAsSet().contains(getSession().getCatalog().get())); } @Test public void testShowCatalogsLike() { MaterializedResult result = computeActual( format("SHOW CATALOGS LIKE '%s'", getSession().getCatalog().get())); assertEquals(result.getOnlyColumnAsSet(), ImmutableSet.of(getSession().getCatalog().get())); } @Test public void testShowSchemas() { MaterializedResult result = computeActual("SHOW SCHEMAS"); assertTrue(result.getOnlyColumnAsSet() .containsAll(ImmutableSet.of(getSession().getSchema().get(), INFORMATION_SCHEMA))); } @Test public void testShowSchemasFrom() { MaterializedResult result = computeActual(format("SHOW SCHEMAS FROM %s", getSession().getCatalog().get())); assertTrue(result.getOnlyColumnAsSet() .containsAll(ImmutableSet.of(getSession().getSchema().get(), INFORMATION_SCHEMA))); } @Test public void testShowSchemasLike() { MaterializedResult result = computeActual(format("SHOW SCHEMAS LIKE '%s'", getSession().getSchema().get())); assertEquals(result.getOnlyColumnAsSet(), ImmutableSet.of(getSession().getSchema().get())); } @Test public void testShowSchemasLikeWithEscape() { assertQueryFails("SHOW SCHEMAS IN foo LIKE '%$_%' ESCAPE", "line 1:39: mismatched input '<EOF>'. Expecting: <string>"); assertQueryFails("SHOW SCHEMAS LIKE 't$_%' ESCAPE ''", "Escape string must be a single character"); assertQueryFails("SHOW SCHEMAS LIKE 't$_%' ESCAPE '$$'", "Escape string must be a single character"); Set<Object> allSchemas = computeActual("SHOW SCHEMAS").getOnlyColumnAsSet(); assertEquals(allSchemas, computeActual("SHOW SCHEMAS LIKE '%_%'").getOnlyColumnAsSet()); Set<Object> result = computeActual("SHOW SCHEMAS LIKE '%$_%' ESCAPE '$'").getOnlyColumnAsSet(); assertNotEquals(allSchemas, result); assertThat(result).contains("information_schema") .allMatch(schemaName -> ((String) schemaName).contains("_")); } @Test public void testShowTables() { Set<String> expectedTables = ImmutableSet.copyOf(transform(TpchTable.getTables(), TpchTable::getTableName)); MaterializedResult result = computeActual("SHOW TABLES"); assertTrue(result.getOnlyColumnAsSet().containsAll(expectedTables)); } @Test public void testShowTablesFrom() { Set<String> expectedTables = ImmutableSet.copyOf(transform(TpchTable.getTables(), TpchTable::getTableName)); String catalog = getSession().getCatalog().get(); String schema = getSession().getSchema().get(); MaterializedResult result = computeActual("SHOW TABLES FROM " + schema); assertTrue(result.getOnlyColumnAsSet().containsAll(expectedTables)); result = computeActual("SHOW TABLES FROM " + catalog + "." + schema); assertTrue(result.getOnlyColumnAsSet().containsAll(expectedTables)); assertQueryFails("SHOW TABLES FROM UNKNOWN", "line 1:1: Schema 'unknown' does not exist"); assertQueryFails("SHOW TABLES FROM UNKNOWNCATALOG.UNKNOWNSCHEMA", "line 1:1: Catalog 'unknowncatalog' does not exist"); } @Test public void testShowTablesLike() { assertThat(computeActual("SHOW TABLES LIKE 'or%'").getOnlyColumnAsSet()).contains("orders") .allMatch(tableName -> ((String) tableName).startsWith("or")); } @Test public void testShowTablesLikeWithEscape() { assertQueryFails("SHOW TABLES IN a LIKE '%$_%' ESCAPE", "line 1:36: mismatched input '<EOF>'. Expecting: <string>"); assertQueryFails("SHOW TABLES LIKE 't$_%' ESCAPE ''", "Escape string must be a single character"); assertQueryFails("SHOW TABLES LIKE 't$_%' ESCAPE '$$'", "Escape string must be a single character"); Set<Object> allTables = computeActual("SHOW TABLES FROM information_schema").getOnlyColumnAsSet(); assertEquals(allTables, computeActual("SHOW TABLES FROM information_schema LIKE '%_%'").getOnlyColumnAsSet()); Set<Object> result = computeActual("SHOW TABLES FROM information_schema LIKE '%$_%' ESCAPE '$'") .getOnlyColumnAsSet(); assertNotEquals(allTables, result); assertThat(result).contains("table_privileges").allMatch(schemaName -> ((String) schemaName).contains("_")); } @Test public void testShowColumns() { MaterializedResult actual = computeActual("SHOW COLUMNS FROM orders"); MaterializedResult expectedUnparametrizedVarchar = resultBuilder(getSession(), VARCHAR, VARCHAR, VARCHAR, VARCHAR).row("orderkey", "bigint", "", "").row("custkey", "bigint", "", "") .row("orderstatus", "varchar", "", "").row("totalprice", "double", "", "") .row("orderdate", "date", "", "").row("orderpriority", "varchar", "", "") .row("clerk", "varchar", "", "").row("shippriority", "integer", "", "") .row("comment", "varchar", "", "").build(); MaterializedResult expectedParametrizedVarchar = resultBuilder(getSession(), VARCHAR, VARCHAR, VARCHAR, VARCHAR).row("orderkey", "bigint", "", "").row("custkey", "bigint", "", "") .row("orderstatus", "varchar(1)", "", "").row("totalprice", "double", "", "") .row("orderdate", "date", "", "").row("orderpriority", "varchar(15)", "", "") .row("clerk", "varchar(15)", "", "").row("shippriority", "integer", "", "") .row("comment", "varchar(79)", "", "").build(); // Until we migrate all connectors to parametrized varchar we check two options assertTrue(actual.equals(expectedParametrizedVarchar) || actual.equals(expectedUnparametrizedVarchar), format("%s does not matche neither of %s and %s", actual, expectedParametrizedVarchar, expectedUnparametrizedVarchar)); } @Test public void testAtTimeZone() { // TODO the expected values here are non-sensical due to https://github.com/prestodb/presto/issues/7122 assertEquals( computeScalar("SELECT TIMESTAMP '2012-10-31 01:00' AT TIME ZONE INTERVAL '07:09' hour to minute"), zonedDateTime("2012-10-30 18:09:00.000 +07:09")); assertEquals(computeScalar("SELECT TIMESTAMP '2012-10-31 01:00' AT TIME ZONE 'Asia/Oral'"), zonedDateTime("2012-10-30 16:00:00.000 Asia/Oral")); assertEquals(computeScalar( "SELECT MIN(x) AT TIME ZONE 'America/Chicago' FROM (VALUES TIMESTAMP '1970-01-01 00:01:00+00:00') t(x)"), zonedDateTime("1969-12-31 18:01:00.000 America/Chicago")); assertEquals(computeScalar("SELECT TIMESTAMP '2012-10-31 01:00' AT TIME ZONE '+07:09'"), zonedDateTime("2012-10-30 18:09:00.000 +07:09")); assertEquals(computeScalar("SELECT TIMESTAMP '2012-10-31 01:00 UTC' AT TIME ZONE 'America/Los_Angeles'"), zonedDateTime("2012-10-30 18:00:00.000 America/Los_Angeles")); assertEquals(computeScalar("SELECT TIMESTAMP '2012-10-31 01:00' AT TIME ZONE 'America/Los_Angeles'"), zonedDateTime("2012-10-30 04:00:00.000 America/Los_Angeles")); assertEquals(computeActual( "SELECT x AT TIME ZONE 'America/Los_Angeles' FROM (values TIMESTAMP '1970-01-01 00:01:00+00:00', TIMESTAMP '1970-01-01 08:01:00+08:00', TIMESTAMP '1969-12-31 16:01:00-08:00') t(x)") .getOnlyColumnAsSet(), ImmutableSet.of(zonedDateTime("1969-12-31 16:01:00.000 America/Los_Angeles"))); assertEquals(computeActual( "SELECT x AT TIME ZONE 'America/Los_Angeles' FROM (values TIMESTAMP '1970-01-01 00:01:00', TIMESTAMP '1970-01-01 08:01:00', TIMESTAMP '1969-12-31 16:01:00') t(x)") .getOnlyColumn().collect(toList()), ImmutableList.of(zonedDateTime("1970-01-01 03:01:00.000 America/Los_Angeles"), zonedDateTime("1970-01-01 11:01:00.000 America/Los_Angeles"), zonedDateTime("1969-12-31 19:01:00.000 America/Los_Angeles"))); assertEquals(computeScalar( "SELECT min(x) AT TIME ZONE 'America/Los_Angeles' FROM (values TIMESTAMP '1970-01-01 00:01:00+00:00', TIMESTAMP '1970-01-01 08:01:00+08:00', TIMESTAMP '1969-12-31 16:01:00-08:00') t(x)"), zonedDateTime("1969-12-31 16:01:00.000 America/Los_Angeles")); // with chained AT TIME ZONE assertEquals(computeScalar( "SELECT TIMESTAMP '2012-10-31 01:00' AT TIME ZONE 'America/Los_Angeles' AT TIME ZONE 'UTC'"), zonedDateTime("2012-10-30 11:00:00.000 UTC")); assertEquals(computeScalar( "SELECT TIMESTAMP '2012-10-31 01:00' AT TIME ZONE 'Asia/Tokyo' AT TIME ZONE 'America/Los_Angeles'"), zonedDateTime("2012-10-30 04:00:00.000 America/Los_Angeles")); assertEquals(computeScalar( "SELECT TIMESTAMP '2012-10-31 01:00' AT TIME ZONE 'America/Los_Angeles' AT TIME ZONE 'Asia/Shanghai'"), zonedDateTime("2012-10-30 19:00:00.000 Asia/Shanghai")); assertEquals(computeScalar( "SELECT min(x) AT TIME ZONE 'America/Los_Angeles' AT TIME ZONE 'UTC' FROM (values TIMESTAMP '1970-01-01 00:01:00+00:00', TIMESTAMP '1970-01-01 08:01:00+08:00', TIMESTAMP '1969-12-31 16:01:00-08:00') t(x)"), zonedDateTime("1970-01-01 00:01:00.000 UTC")); // with AT TIME ZONE in VALUES assertEquals(computeScalar("SELECT * FROM (VALUES TIMESTAMP '2012-10-31 01:00' AT TIME ZONE 'Asia/Oral')"), zonedDateTime("2012-10-30 16:00:00.000 Asia/Oral")); } private ZonedDateTime zonedDateTime(String value) { return ZONED_DATE_TIME_FORMAT.parse(value, ZonedDateTime::from); } @Test public void testShowFunctions() { MaterializedResult result = computeActual("SHOW FUNCTIONS"); ImmutableMultimap<String, MaterializedRow> functions = Multimaps.index(result.getMaterializedRows(), input -> { assertEquals(input.getFieldCount(), 6); return (String) input.getField(0); }); assertTrue(functions.containsKey("avg"), "Expected function names " + functions + " to contain 'avg'"); assertEquals(functions.get("avg").asList().size(), 6); assertEquals(functions.get("avg").asList().get(0).getField(1), "decimal(p,s)"); assertEquals(functions.get("avg").asList().get(0).getField(2), "decimal(p,s)"); assertEquals(functions.get("avg").asList().get(0).getField(3), "aggregate"); assertEquals(functions.get("avg").asList().get(1).getField(1), "double"); assertEquals(functions.get("avg").asList().get(1).getField(2), "bigint"); assertEquals(functions.get("avg").asList().get(1).getField(3), "aggregate"); assertEquals(functions.get("avg").asList().get(2).getField(1), "double"); assertEquals(functions.get("avg").asList().get(2).getField(2), "double"); assertEquals(functions.get("avg").asList().get(2).getField(3), "aggregate"); assertEquals(functions.get("avg").asList().get(3).getField(1), "interval day to second"); assertEquals(functions.get("avg").asList().get(3).getField(2), "interval day to second"); assertEquals(functions.get("avg").asList().get(3).getField(3), "aggregate"); assertEquals(functions.get("avg").asList().get(4).getField(1), "interval year to month"); assertEquals(functions.get("avg").asList().get(4).getField(2), "interval year to month"); assertEquals(functions.get("avg").asList().get(4).getField(3), "aggregate"); assertEquals(functions.get("avg").asList().get(5).getField(1), "real"); assertEquals(functions.get("avg").asList().get(5).getField(2), "real"); assertEquals(functions.get("avg").asList().get(5).getField(3), "aggregate"); assertTrue(functions.containsKey("abs"), "Expected function names " + functions + " to contain 'abs'"); assertEquals(functions.get("abs").asList().get(0).getField(3), "scalar"); assertEquals(functions.get("abs").asList().get(0).getField(4), true); assertTrue(functions.containsKey("rand"), "Expected function names " + functions + " to contain 'rand'"); assertEquals(functions.get("rand").asList().get(0).getField(3), "scalar"); assertEquals(functions.get("rand").asList().get(0).getField(4), false); assertTrue(functions.containsKey("rank"), "Expected function names " + functions + " to contain 'rank'"); assertEquals(functions.get("rank").asList().get(0).getField(3), "window"); assertTrue(functions.containsKey("rank"), "Expected function names " + functions + " to contain 'split_part'"); assertEquals(functions.get("split_part").asList().get(0).getField(1), "varchar(x)"); assertEquals(functions.get("split_part").asList().get(0).getField(2), "varchar(x), varchar(y), bigint"); assertEquals(functions.get("split_part").asList().get(0).getField(3), "scalar"); assertFalse(functions.containsKey("like"), "Expected function names " + functions + " not to contain 'like'"); } @Test public void testInformationSchemaFiltering() { assertQuery("SELECT table_name FROM information_schema.tables WHERE table_name = 'orders' LIMIT 1", "SELECT 'orders' table_name"); assertQuery( "SELECT table_name FROM information_schema.columns WHERE data_type = 'bigint' AND table_name = 'customer' and column_name = 'custkey' LIMIT 1", "SELECT 'customer' table_name"); } @Test public void testInformationSchemaUppercaseName() { assertQuery("SELECT table_name FROM information_schema.tables WHERE table_catalog = 'LOCAL'", "SELECT '' WHERE false"); assertQuery("SELECT table_name FROM information_schema.tables WHERE table_schema = 'TINY'", "SELECT '' WHERE false"); assertQuery("SELECT table_name FROM information_schema.tables WHERE table_name = 'ORDERS'", "SELECT '' WHERE false"); } @Test public void testSelectColumnOfNulls() { // Currently nulls can confuse the local planner, so select some assertQueryOrdered("SELECT CAST(NULL AS VARCHAR), CAST(NULL AS BIGINT) FROM orders ORDER BY 1"); } @Test public void testSelectCaseInsensitive() { assertQuery("SELECT ORDERKEY FROM ORDERS"); assertQuery("SELECT OrDeRkEy FROM OrDeRs"); } @Test public void testShowSession() { Session session = new Session(getSession().getQueryId(), Optional.empty(), getSession().isClientTransactionSupport(), getSession().getIdentity(), getSession().getSource(), getSession().getCatalog(), getSession().getSchema(), getSession().getPath(), getSession().getTraceToken(), getSession().getTimeZoneKey(), getSession().getLocale(), getSession().getRemoteUserAddress(), getSession().getUserAgent(), getSession().getClientInfo(), getSession().getClientTags(), getSession().getClientCapabilities(), getSession().getResourceEstimates(), getSession().getStartTime(), ImmutableMap.<String, String>builder().put("test_string", "foo string").put("test_long", "424242") .build(), ImmutableMap.of(), ImmutableMap.of(TESTING_CATALOG, ImmutableMap.<String, String>builder().put("connector_string", "bar string") .put("connector_long", "11").build()), getQueryRunner().getMetadata().getSessionPropertyManager(), getSession().getPreparedStatements()); MaterializedResult result = computeActual(session, "SHOW SESSION"); ImmutableMap<String, MaterializedRow> properties = Maps.uniqueIndex(result.getMaterializedRows(), input -> { assertEquals(input.getFieldCount(), 5); return (String) input.getField(0); }); assertEquals(properties.get("test_string"), new MaterializedRow(1, "test_string", "foo string", "test default", "varchar", "test string property")); assertEquals(properties.get("test_long"), new MaterializedRow(1, "test_long", "424242", "42", "bigint", "test long property")); assertEquals(properties.get(TESTING_CATALOG + ".connector_string"), new MaterializedRow(1, TESTING_CATALOG + ".connector_string", "bar string", "connector default", "varchar", "connector string property")); assertEquals(properties.get(TESTING_CATALOG + ".connector_long"), new MaterializedRow(1, TESTING_CATALOG + ".connector_long", "11", "33", "bigint", "connector long property")); } @Test public void testTry() { // divide by zero assertQuery("SELECT linenumber, sum(TRY(100/(CAST (tax*10 AS BIGINT)))) FROM lineitem GROUP BY linenumber", "SELECT linenumber, sum(100/(CAST (tax*10 AS BIGINT))) FROM lineitem WHERE CAST(tax*10 AS BIGINT) <> 0 GROUP BY linenumber"); // invalid cast assertQuery( "SELECT TRY(CAST(IF(round(totalprice) % 2 = 0, CAST(totalprice AS VARCHAR), '^&$' || CAST(totalprice AS VARCHAR)) AS DOUBLE)) FROM orders", "SELECT CASE WHEN round(totalprice) % 2 = 0 THEN totalprice ELSE null END FROM orders"); // invalid function argument assertQuery("SELECT COUNT(TRY(to_base(100, CAST(round(totalprice/100) AS BIGINT)))) FROM orders", "SELECT SUM(CASE WHEN CAST(round(totalprice/100) AS BIGINT) BETWEEN 2 AND 36 THEN 1 ELSE 0 END) FROM orders"); // as part of a complex expression assertQuery( "SELECT COUNT(CAST(orderkey AS VARCHAR) || TRY(to_base(100, CAST(round(totalprice/100) AS BIGINT)))) FROM orders", "SELECT SUM(CASE WHEN CAST(round(totalprice/100) AS BIGINT) BETWEEN 2 AND 36 THEN 1 ELSE 0 END) FROM orders"); // missing function argument assertQueryFails("SELECT TRY()", "line 1:8: The 'try' function must have exactly one argument"); // check that TRY is not pushed down assertQueryFails("SELECT TRY(x) IS NULL FROM (SELECT 1/y AS x FROM (VALUES 1, 2, 3, 0, 4) t(y))", "/ by zero"); assertQuery("SELECT x IS NULL FROM (SELECT TRY(1/y) AS x FROM (VALUES 3, 0, 4) t(y))", "VALUES false, true, false"); // test try with lambda function assertQuery("SELECT TRY(apply(5, x -> x + 1) / 0)", "SELECT NULL"); assertQuery("SELECT TRY(apply(5 + RANDOM(1), x -> x + 1) / 0)", "SELECT NULL"); assertQuery("SELECT apply(5 + RANDOM(1), x -> x + TRY(1 / 0))", "SELECT NULL"); // test try with invalid JSON assertQuery("SELECT JSON_FORMAT(TRY(JSON 'INVALID'))", "SELECT NULL"); assertQuery("SELECT JSON_FORMAT(TRY (JSON_PARSE('INVALID')))", "SELECT NULL"); // tests that might be constant folded assertQuery("SELECT TRY(CAST(NULL AS BIGINT))", "SELECT NULL"); assertQuery("SELECT TRY(CAST('123' AS BIGINT))", "SELECT 123L"); assertQuery("SELECT TRY(CAST('foo' AS BIGINT))", "SELECT NULL"); assertQuery("SELECT TRY(CAST('foo' AS BIGINT)) + TRY(CAST('123' AS BIGINT))", "SELECT NULL"); assertQuery("SELECT TRY(CAST(CAST(123 AS VARCHAR) AS BIGINT))", "SELECT 123L"); assertQuery("SELECT COALESCE(CAST(CONCAT('123', CAST(123 AS VARCHAR)) AS BIGINT), 0)", "SELECT 123123L"); assertQuery("SELECT TRY(CAST(CONCAT('hello', CAST(123 AS VARCHAR)) AS BIGINT))", "SELECT NULL"); assertQuery("SELECT COALESCE(TRY(CAST(CONCAT('a', CAST(123 AS VARCHAR)) AS INTEGER)), 0)", "SELECT 0"); assertQuery("SELECT COALESCE(TRY(CAST(CONCAT('a', CAST(123 AS VARCHAR)) AS BIGINT)), 0)", "SELECT 0L"); assertQuery("SELECT 123 + TRY(ABS(-9223372036854775807 - 1))", "SELECT NULL"); assertQuery("SELECT JSON_FORMAT(TRY(JSON '[]')) || '123'", "SELECT '[]123'"); assertQuery("SELECT JSON_FORMAT(TRY(JSON 'INVALID')) || '123'", "SELECT NULL"); assertQuery("SELECT TRY(2/1)", "SELECT 2"); assertQuery("SELECT TRY(2/0)", "SELECT null"); assertQuery("SELECT COALESCE(TRY(2/0), 0)", "SELECT 0"); assertQuery("SELECT TRY(ABS(-2))", "SELECT 2"); } @Test public void testTryNoMergeProjections() { // no regexp specified because the JVM optimizes away exception message constructor if run enough times assertQueryFails("SELECT TRY(x) FROM (SELECT 1/y AS x FROM (VALUES 1, 2, 3, 0, 4) t(y))", ".*"); } @Test public void testNoFrom() { assertQuery("SELECT 1 + 2, 3 + 4"); } @Test public void testTopNByMultipleFields() { assertQueryOrdered( "SELECT orderkey, custkey, orderstatus FROM orders ORDER BY orderkey ASC, custkey ASC LIMIT 10"); assertQueryOrdered( "SELECT orderkey, custkey, orderstatus FROM orders ORDER BY orderkey ASC, custkey DESC LIMIT 10"); assertQueryOrdered( "SELECT orderkey, custkey, orderstatus FROM orders ORDER BY orderkey DESC, custkey ASC LIMIT 10"); assertQueryOrdered( "SELECT orderkey, custkey, orderstatus FROM orders ORDER BY orderkey DESC, custkey DESC LIMIT 10"); // now try with order by fields swapped assertQueryOrdered( "SELECT orderkey, custkey, orderstatus FROM orders ORDER BY custkey ASC, orderkey ASC LIMIT 10"); assertQueryOrdered( "SELECT orderkey, custkey, orderstatus FROM orders ORDER BY custkey ASC, orderkey DESC LIMIT 10"); assertQueryOrdered( "SELECT orderkey, custkey, orderstatus FROM orders ORDER BY custkey DESC, orderkey ASC LIMIT 10"); assertQueryOrdered( "SELECT orderkey, custkey, orderstatus FROM orders ORDER BY custkey DESC, orderkey DESC LIMIT 10"); // nulls first assertQueryOrdered( "SELECT orderkey, custkey, orderstatus FROM orders ORDER BY nullif(orderkey, 3) ASC NULLS FIRST, custkey ASC LIMIT 10"); assertQueryOrdered( "SELECT orderkey, custkey, orderstatus FROM orders ORDER BY nullif(orderkey, 3) DESC NULLS FIRST, custkey ASC LIMIT 10"); // nulls last assertQueryOrdered( "SELECT orderkey, custkey, orderstatus FROM orders ORDER BY nullif(orderkey, 3) ASC NULLS LAST LIMIT 10"); assertQueryOrdered( "SELECT orderkey, custkey, orderstatus FROM orders ORDER BY nullif(orderkey, 3) DESC NULLS LAST, custkey ASC LIMIT 10"); // assure that default is nulls last assertQueryOrdered( "SELECT orderkey, custkey, orderstatus FROM orders ORDER BY nullif(orderkey, 3) ASC, custkey ASC LIMIT 10", "SELECT orderkey, custkey, orderstatus FROM orders ORDER BY nullif(orderkey, 3) ASC NULLS LAST, custkey ASC LIMIT 10"); } @Test public void testExchangeWithProjectionPushDown() { assertQuery("SELECT * FROM \n" + " (SELECT orderkey + 1 orderkey FROM (SELECT * FROM orders ORDER BY orderkey LIMIT 100)) o \n" + "JOIN \n" + " (SELECT orderkey + 1 orderkey FROM (SELECT * FROM orders ORDER BY orderkey LIMIT 100)) o1 \n" + "ON (o.orderkey = o1.orderkey)"); } @Test public void testUnionWithProjectionPushDown() { assertQuery( "SELECT key + 5, status FROM (SELECT orderkey key, orderstatus status FROM orders UNION ALL SELECT orderkey key, linestatus status FROM lineitem)"); } @Test public void testJoinProjectionPushDown() { assertQuery("" + "SELECT *\n" + "FROM\n" + " (SELECT orderkey, abs(orderkey) a FROM orders) t\n" + "JOIN\n" + " (SELECT orderkey, abs(orderkey) a FROM orders) u\n" + "ON\n" + " t.orderkey = u.orderkey"); } @Test public void testUnion() { assertQuery("SELECT orderkey FROM orders UNION SELECT custkey FROM orders"); assertQuery("SELECT 123 UNION DISTINCT SELECT 123 UNION ALL SELECT 123"); assertQuery("SELECT NULL UNION SELECT NULL"); assertQuery("SELECT NULL, NULL UNION ALL SELECT NULL, NULL FROM nation"); assertQuery("SELECT 'x', 'y' UNION ALL SELECT name, name FROM nation"); // mixed single-node vs fixed vs source-distributed assertQuery( "SELECT orderkey FROM orders UNION ALL SELECT 123 UNION ALL (SELECT custkey FROM orders GROUP BY custkey)"); } @Test public void testUnionDistinct() { assertQuery("SELECT orderkey FROM orders UNION DISTINCT SELECT custkey FROM orders"); } @Test public void testUnionAll() { assertQuery("SELECT orderkey FROM orders UNION ALL SELECT custkey FROM orders"); } @Test public void testUnionArray() { assertQuery("SELECT a[1] FROM (SELECT ARRAY[1] UNION ALL SELECT ARRAY[1]) t(a) LIMIT 1", "SELECT 1"); } @Test public void testChainedUnionsWithOrder() { assertQueryOrdered( "SELECT orderkey FROM orders UNION (SELECT custkey FROM orders UNION SELECT linenumber FROM lineitem) UNION ALL SELECT orderkey FROM lineitem ORDER BY orderkey"); } @Test public void testUnionWithTopN() { assertQuery("SELECT * FROM (" + " SELECT regionkey FROM nation " + " UNION ALL " + " SELECT nationkey FROM nation" + ") t(a) " + "ORDER BY a LIMIT 1", "SELECT 0"); } @Test public void testUnionWithJoin() { assertQuery("SELECT * FROM (" + " SELECT orderdate ds, orderkey FROM orders " + " UNION ALL " + " SELECT shipdate ds, orderkey FROM lineitem) a " + "JOIN orders o ON (a.orderkey = o.orderkey)"); } @Test public void testUnionWithAggregation() { assertQuery( "SELECT regionkey, count(*) FROM (" + " SELECT regionkey FROM nation " + " UNION ALL " + " SELECT * FROM (VALUES 2, 100) t(regionkey)) " + "GROUP BY regionkey", "SELECT * FROM (VALUES (0, 5), (1, 5), (2, 6), (3, 5), (4, 5), (100, 1))"); assertQuery("SELECT ds, count(*) FROM (" + " SELECT orderdate ds, orderkey FROM orders " + " UNION ALL " + " SELECT shipdate ds, orderkey FROM lineitem) a " + "GROUP BY ds"); assertQuery("SELECT ds, count(*) FROM (" + " SELECT orderdate ds, orderkey FROM orders " + " UNION " + " SELECT shipdate ds, orderkey FROM lineitem) a " + "GROUP BY ds"); assertQuery("SELECT ds, count(DISTINCT orderkey) FROM (" + " SELECT orderdate ds, orderkey FROM orders " + " UNION " + " SELECT shipdate ds, orderkey FROM lineitem) a " + "GROUP BY ds"); assertQuery("SELECT clerk, count(DISTINCT orderstatus) FROM (" + "SELECT * FROM orders WHERE orderkey=0 " + " UNION ALL " + "SELECT * FROM orders WHERE orderkey<>0) " + "GROUP BY clerk"); assertQuery("SELECT count(clerk) FROM (" + "SELECT clerk FROM orders WHERE orderkey=0 " + " UNION ALL " + "SELECT clerk FROM orders WHERE orderkey<>0) " + "GROUP BY clerk"); assertQuery("SELECT count(orderkey), sum(sc) FROM (" + " SELECT sum(custkey) sc, orderkey FROM (" + " SELECT custkey,orderkey, orderkey+1 FROM orders WHERE orderkey=0" + " UNION ALL " + " SELECT custkey,orderkey,orderkey+1 FROM orders WHERE orderkey<>0) " + " GROUP BY orderkey)"); assertQuery("SELECT count(orderkey), sum(sc) FROM (\n" + " SELECT sum(custkey) sc, orderkey FROM (\n" + " SELECT custkey, orderkey, orderkey+1, orderstatus FROM orders WHERE orderkey=0\n" + " UNION ALL \n" + " SELECT custkey, orderkey, orderkey+1, orderstatus FROM orders WHERE orderkey<>0) \n" + " GROUP BY GROUPING SETS ((orderkey, orderstatus), (orderkey)))", "SELECT count(orderkey), sum(sc) FROM (\n" + " SELECT sum(custkey) sc, orderkey FROM (\n" + " SELECT custkey, orderkey, orderkey+1, orderstatus FROM orders WHERE orderkey=0\n" + " UNION ALL \n" + " SELECT custkey, orderkey, orderkey+1, orderstatus FROM orders WHERE orderkey<>0) \n" + " GROUP BY orderkey, orderstatus \n" + " \n" + " UNION ALL \n" + " \n" + " SELECT sum(custkey) sc, orderkey FROM (\n" + " SELECT custkey, orderkey, orderkey+1, orderstatus FROM orders WHERE orderkey=0\n" + " UNION ALL \n" + " SELECT custkey, orderkey, orderkey+1, orderstatus FROM orders WHERE orderkey<>0) \n" + " GROUP BY orderkey)"); } @Test public void testUnionWithUnionAndAggregation() { assertQuery("SELECT count(*) FROM (" + "SELECT 1 FROM nation GROUP BY regionkey " + "UNION ALL " + "SELECT 1 FROM (" + " SELECT 1 FROM nation " + " UNION ALL " + " SELECT 1 FROM nation))"); assertQuery("SELECT count(*) FROM (" + "SELECT 1 FROM (" + " SELECT 1 FROM nation " + " UNION ALL " + " SELECT 1 FROM nation)" + "UNION ALL " + "SELECT 1 FROM nation GROUP BY regionkey)"); } @Test public void testUnionWithAggregationAndTableScan() { assertQuery( "SELECT orderkey, 1 FROM orders " + "UNION ALL " + "SELECT orderkey, count(*) FROM orders GROUP BY 1", "SELECT orderkey, 1 FROM orders " + "UNION ALL " + "SELECT orderkey, count(*) FROM orders GROUP BY orderkey"); assertQuery( "SELECT orderkey, count(*) FROM orders GROUP BY 1 " + "UNION ALL " + "SELECT orderkey, 1 FROM orders", "SELECT orderkey, count(*) FROM orders GROUP BY orderkey " + "UNION ALL " + "SELECT orderkey, 1 FROM orders"); } @Test public void testUnionWithAggregationAndJoin() { assertQuery("SELECT * FROM ( " + "SELECT orderkey, count(*) FROM (" + " SELECT orderdate ds, orderkey FROM orders " + " UNION ALL " + " SELECT shipdate ds, orderkey FROM lineitem) a " + "GROUP BY orderkey) t " + "JOIN orders o " + "ON (o.orderkey = t.orderkey)"); } @Test public void testUnionWithJoinOnNonTranslateableSymbols() { assertQuery("SELECT *\n" + "FROM (SELECT orderdate ds, orderkey\n" + " FROM orders\n" + " UNION ALL\n" + " SELECT shipdate ds, orderkey\n" + " FROM lineitem) a\n" + "JOIN orders o\n" + "ON (substr(cast(a.ds AS VARCHAR), 6, 2) = substr(cast(o.orderdate AS VARCHAR), 6, 2) AND a.orderkey = o.orderkey)"); } @Test public void testSubqueryUnion() { assertQueryOrdered( "SELECT * FROM (SELECT orderkey FROM orders UNION SELECT custkey FROM orders UNION SELECT orderkey FROM orders) ORDER BY orderkey LIMIT 1000"); } @Test public void testUnionWithFilterNotInSelect() { assertQuery( "SELECT orderkey, orderdate FROM orders WHERE custkey < 1000 UNION ALL SELECT orderkey, shipdate FROM lineitem WHERE linenumber < 2000"); assertQuery( "SELECT orderkey, orderdate FROM orders UNION ALL SELECT orderkey, shipdate FROM lineitem WHERE linenumber < 2000"); assertQuery( "SELECT orderkey, orderdate FROM orders WHERE custkey < 1000 UNION ALL SELECT orderkey, shipdate FROM lineitem"); } @Test public void testSelectOnlyUnion() { assertQuery("SELECT 123, 'foo' UNION ALL SELECT 999, 'bar'"); } @Test public void testMultiColumnUnionAll() { assertQuery("SELECT * FROM orders UNION ALL SELECT * FROM orders"); } @Test public void testUnionRequiringCoercion() { assertQuery("VALUES 1 UNION ALL VALUES 1.0, 2", "SELECT * FROM (VALUES 1) UNION ALL SELECT * FROM (VALUES 1.0, 2)"); assertQuery("(VALUES 1) UNION ALL (VALUES 1.0, 2)", "SELECT * FROM (VALUES 1) UNION ALL SELECT * FROM (VALUES 1.0, 2)"); assertQuery("SELECT 0, 0 UNION ALL SELECT 1.0, 0"); // This test case generates a RelationPlan whose .outputSymbols is different .root.outputSymbols assertQuery("SELECT 0, 0, 0, 0 UNION ALL SELECT 0.0, 0.0, 0, 0"); // This test case generates a RelationPlan where multiple positions share the same symbol assertQuery("SELECT * FROM (VALUES 1) UNION ALL SELECT * FROM (VALUES 1.0, 2)"); assertQuery("SELECT * FROM (VALUES 1) UNION SELECT * FROM (VALUES 1.0, 2)", "VALUES 1.0, 2.0"); // H2 produces incorrect result for the original query: 1.0 1.0 2.0 assertQuery("SELECT * FROM (VALUES (2, 2)) UNION SELECT * FROM (VALUES (1, 1.0))"); assertQuery("SELECT * FROM (VALUES (NULL, NULL)) UNION SELECT * FROM (VALUES (1, 1.0))"); assertQuery("SELECT * FROM (VALUES (NULL, NULL)) UNION ALL SELECT * FROM (VALUES (NULL, 1.0))"); // Test for https://github.com/prestodb/presto/issues/7496 // Cast varchar(1) -> varchar(4) for orderstatus in first source of union was not added. It was not done for type-only coercions. // Then as a result of predicate pushdown orderstatus (without cast) was compared with CAST('aaa' AS varchar(4)) which trigger checkArgument that // both types of comparison should be equal in DomainTranslator. assertQuery("SELECT a FROM " + "(" + " (SELECT orderstatus AS a FROM orders LIMIT 1) " + "UNION ALL " + " SELECT 'aaaa' AS a" + ") " + "WHERE a = 'aaa'"); } @Test public void testTableQuery() { assertQuery("TABLE orders", "SELECT * FROM orders"); } @Test public void testTableQueryOrderLimit() { assertQueryOrdered("TABLE orders ORDER BY orderkey LIMIT 10", "SELECT * FROM orders ORDER BY orderkey LIMIT 10"); } @Test public void testTableQueryInUnion() { assertQuery("(SELECT * FROM orders ORDER BY orderkey LIMIT 10) UNION ALL TABLE orders", "(SELECT * FROM orders ORDER BY orderkey LIMIT 10) UNION ALL SELECT * FROM orders"); } @Test public void testTableAsSubquery() { assertQueryOrdered("(TABLE orders) ORDER BY orderkey", "(SELECT * FROM orders) ORDER BY orderkey"); } @Test public void testLimitPushDown() { MaterializedResult actual = computeActual("(TABLE orders ORDER BY orderkey) UNION ALL " + "SELECT * FROM orders WHERE orderstatus = 'F' UNION ALL " + "(TABLE orders ORDER BY orderkey LIMIT 20) UNION ALL " + "(TABLE orders LIMIT 5) UNION ALL " + "TABLE orders LIMIT 10"); MaterializedResult all = computeExpected("SELECT * FROM orders", actual.getTypes()); assertEquals(actual.getMaterializedRows().size(), 10); assertContains(all, actual); } @Test public void testOrderLimitCompaction() { assertQueryOrdered("SELECT * FROM (SELECT * FROM orders ORDER BY orderkey) LIMIT 10"); } @Test public void testUnaliasSymbolReferencesWithUnion() { assertQuery("SELECT 1, 1, 'a', 'a' UNION ALL SELECT 1, 2, 'a', 'b'"); } @Test public void testRandCrossJoins() { assertQuery("" + "SELECT COUNT(*) " + "FROM (SELECT * FROM orders ORDER BY rand() LIMIT 5) a " + "CROSS JOIN (SELECT * FROM lineitem ORDER BY rand() LIMIT 5) b"); } @Test public void testCrossJoins() { assertQuery( "" + "SELECT a.custkey, b.orderkey " + "FROM (SELECT * FROM orders ORDER BY orderkey LIMIT 5) a " + "CROSS JOIN (SELECT * FROM lineitem ORDER BY orderkey LIMIT 5) b"); } @Test public void testCrossJoinEmptyProbePage() { assertQuery("" + "SELECT a.custkey, b.orderkey " + "FROM (SELECT * FROM orders WHERE orderkey < 0) a " + "CROSS JOIN (SELECT * FROM lineitem WHERE orderkey < 100) b"); } @Test public void testCrossJoinEmptyBuildPage() { assertQuery("" + "SELECT a.custkey, b.orderkey " + "FROM (SELECT * FROM orders WHERE orderkey < 100) a " + "CROSS JOIN (SELECT * FROM lineitem WHERE orderkey < 0) b"); } @Test public void testSimpleCrossJoins() { assertQuery("SELECT * FROM (SELECT 1 a) x CROSS JOIN (SELECT 2 b) y"); } @Test public void testCrossJoinsWithWhereClause() { assertQuery( "" + "SELECT a, b, c, d " + "FROM (VALUES (1, 'a'), (2, 'b'), (3, 'c'), (4, 'd')) t1 (a, b) " + "CROSS JOIN (VALUES (1, 1.1), (3, 3.3), (5, 5.5)) t2 (c, d) " + "WHERE t1.a > t2.c", "SELECT * FROM (VALUES (2, 'b', 1, 1.1), (3, 'c', 1, 1.1), (4, 'd', 1, 1.1), (4, 'd', 3, 3.3))"); } @Test public void testCrossJoinsDifferentDataTypes() { assertQuery("" + "SELECT * " + "FROM (SELECT 'AAA' a1, 11 b1, 33.3 c1, true AS d1, 21 e1) x " + "CROSS JOIN (SELECT 4444.4 a2, false AS b2, 'BBB' c2, 22 d2) y"); } @Test public void testCrossJoinWithNulls() { assertQuery("SELECT a, b FROM (VALUES (1), (2)) t (a) CROSS JOIN (VALUES (1), (3)) u (b)", "SELECT * FROM (VALUES (1, 1), (1, 3), (2, 1), (2, 3))"); assertQuery("SELECT a, b FROM (VALUES (1), (2), (null)) t (a), (VALUES (11), (null), (13)) u (b)", "SELECT * FROM (VALUES (1, 11), (1, null), (1, 13), (2, 11), (2, null), (2, 13), (null, 11), (null, null), (null, 13))"); assertQuery( "SELECT a, b FROM (VALUES ('AA'), ('BB'), (null)) t (a), (VALUES ('111'), (null), ('333')) u (b)", "SELECT * FROM (VALUES ('AA', '111'), ('AA', null), ('AA', '333'), ('BB', '111'), ('BB', null), ('BB', '333'), (null, '111'), (null, null), (null, '333'))"); } @Test public void testImplicitCrossJoin() { assertQuery("" + "SELECT * FROM (SELECT * FROM orders ORDER BY orderkey LIMIT 3) a, " + "(SELECT * FROM orders ORDER BY orderkey LIMIT 4) b"); assertQuery("" + "SELECT * FROM (SELECT * FROM orders ORDER BY orderkey LIMIT 5) a, " + "(SELECT * FROM orders ORDER BY orderkey LIMIT 2) b"); assertQuery("" + "SELECT * FROM (SELECT * FROM orders ORDER BY orderkey LIMIT 5) a, " + "(SELECT * FROM orders ORDER BY orderkey LIMIT 5) b, " + "(SELECT * FROM orders ORDER BY orderkey LIMIT 5) c "); // Inner Join converted to cross join because all join conditions are pushed down. assertQuery("" + "SELECT l.orderkey, l.linenumber " + "FROM orders o INNER JOIN lineitem l " + "ON o.custkey = l.linenumber " + "WHERE o.custkey IN (5) AND l.orderkey IN (7522)"); assertQuery("" + "SELECT o.custkey " + "FROM orders o INNER JOIN lineitem l " + "ON o.custkey = l.linenumber " + "WHERE o.custkey IN (5) AND l.orderkey IN (7522)"); assertQuery("" + "SELECT COUNT(*) " + "FROM orders o INNER JOIN lineitem l " + "ON o.custkey = l.linenumber " + "WHERE o.custkey IN (5) AND l.orderkey IN (7522)"); } @Test public void testCrossJoinUnion() { assertQuery("" + "SELECT t.c " + "FROM (SELECT 1) " + "CROSS JOIN (SELECT 0 AS c UNION ALL SELECT 1) t"); assertQuery("" + "SELECT a, b " + "FROM (VALUES (1, 1)) " + "CROSS JOIN (SELECT 0 AS a, 0 AS b UNION ALL SELECT 1, 1) t"); } @Test public void testCrossJoinUnnestWithUnion() { assertQuery( "" + "SELECT col, COUNT(*)\n" + "FROM ((\n" + " SELECT ARRAY[1, 2] AS a\n" + " UNION ALL\n" + " SELECT ARRAY[1, 3] AS a) unionresult\n" + " CROSS JOIN UNNEST(unionresult.a) t(col))\n" + "GROUP BY col", "SELECT * FROM VALUES (1, 2), (2, 1), (3, 1)"); } @Test public void testJoinOnConstantExpression() { assertQuery("" + "SELECT * FROM (SELECT * FROM orders ORDER BY orderkey LIMIT 5) a " + " JOIN (SELECT * FROM orders ORDER BY orderkey LIMIT 5) b " + " ON 123 = 123"); } @Test public void testSemiJoin() { assertQuery("SELECT linenumber, min(orderkey) " + "FROM lineitem " + "GROUP BY linenumber " + "HAVING min(orderkey) IN (SELECT orderkey FROM orders WHERE orderkey > 1)"); // // constant literal versus a subquery assertQuery("SELECT 10 in (SELECT orderkey FROM orders)"); // the same IN subquery used twice assertQuery( "SELECT * FROM (VALUES (1,1), (2,2), (3, 3)) t(x, y) WHERE (x+y in (VALUES 4, 5)) AND (x*y in (VALUES 4, 5))", "VALUES (2,2)"); // test multiple IN subqueries with coercions assertQuery("SELECT 1.0 IN (SELECT 1), 1 IN (SELECT 1)"); assertQuery("SELECT 1 WHERE 1 IN (SELECT 1) AND 1.0 IN (SELECT 1)"); assertQuery("SELECT 1.0 in (values (1), (2), (3))", "SELECT true"); // test IN subqueries with supertype coercions assertQuery("SELECT CAST(1 AS decimal(3,2)) IN (SELECT CAST(1 AS decimal(3,1)))", "SELECT true"); assertQuery( "SELECT CAST(1 AS decimal(3,2)) IN (values (cast(1 AS decimal(3,1))), (cast (2 AS decimal(3,1))))", "SELECT true"); // test multi level IN subqueries assertQuery("SELECT 1 IN (SELECT 1), 2 IN (SELECT 1) WHERE 1 IN (SELECT 1)"); // test with subqueries on left assertQuery("SELECT (SELECT 1) IN (SELECT 1)"); assertQuery("SELECT (SELECT 2) IN (1, (SELECT 2))"); assertQuery("SELECT (2 + (SELECT 1)) IN (SELECT 1)"); assertQuery("SELECT (1 IN (SELECT 1)) IN (SELECT TRUE)"); assertQuery("SELECT ((SELECT 1) IN (SELECT 1)) IN (SELECT TRUE)"); assertQuery("SELECT (EXISTS(SELECT 1)) IN (SELECT TRUE)"); assertQuery("SELECT (1 = ANY(SELECT 1)) IN (SELECT TRUE)"); // Throw in a bunch of IN subquery predicates assertQuery("" + "SELECT *, o2.custkey\n" + " IN (\n" + " SELECT orderkey\n" + " FROM lineitem\n" + " WHERE orderkey % 5 = 0)\n" + "FROM (SELECT * FROM orders WHERE custkey % 256 = 0) o1\n" + "JOIN (SELECT * FROM orders WHERE custkey % 256 = 0) o2\n" + " ON (o1.orderkey IN (SELECT orderkey FROM lineitem WHERE orderkey % 4 = 0)) = (o2.orderkey IN (SELECT orderkey FROM lineitem WHERE orderkey % 4 = 0))\n" + "WHERE o1.orderkey\n" + " IN (\n" + " SELECT orderkey\n" + " FROM lineitem\n" + " WHERE orderkey % 4 = 0)\n" + "ORDER BY o1.orderkey\n" + " IN (\n" + " SELECT orderkey\n" + " FROM lineitem\n" + " WHERE orderkey % 7 = 0)"); assertQuery("" + "SELECT orderkey\n" + " IN (\n" + " SELECT orderkey\n" + " FROM lineitem\n" + " WHERE partkey % 4 = 0),\n" + " SUM(\n" + " CASE\n" + " WHEN orderkey\n" + " IN (\n" + " SELECT orderkey\n" + " FROM lineitem\n" + " WHERE suppkey % 4 = 0)\n" + " THEN 1\n" + " ELSE 0\n" + " END)\n" + "FROM orders\n" + "GROUP BY orderkey\n" + " IN (\n" + " SELECT orderkey\n" + " FROM lineitem\n" + " WHERE partkey % 4 = 0)\n" + "HAVING SUM(\n" + " CASE\n" + " WHEN orderkey\n" + " IN (\n" + " SELECT orderkey\n" + " FROM lineitem\n" + " WHERE suppkey % 4 = 0)\n" + " THEN 1\n" + " ELSE 0\n" + " END) > 1"); } @Test public void testJoinConstantPropagation() { assertQuery("" + "SELECT x, y, COUNT(*)\n" + "FROM (SELECT orderkey, 0 AS x FROM orders) a \n" + "JOIN (SELECT orderkey, 1 AS y FROM orders) b \n" + "ON a.orderkey = b.orderkey\n" + "GROUP BY 1, 2"); } @Test public void testAntiJoin() { assertQuery("" + "SELECT *, orderkey\n" + " NOT IN (\n" + " SELECT orderkey\n" + " FROM lineitem\n" + " WHERE orderkey % 3 = 0)\n" + "FROM orders"); } @Test public void testAntiJoinNullHandling() { assertQuery("WITH empty AS (SELECT 1 WHERE FALSE) " + "SELECT 3 FROM (VALUES 1) WHERE NULL NOT IN (SELECT * FROM empty)", "VALUES 3"); assertQuery("WITH empty AS (SELECT 1 WHERE FALSE) " + "SELECT x FROM (VALUES NULL) t(x) WHERE x NOT IN (SELECT * FROM empty)", "VALUES NULL"); } @Test public void testSemiJoinLimitPushDown() { assertQuery("" + "SELECT COUNT(*)\n" + "FROM (\n" + " SELECT orderkey\n" + " IN (\n" + " SELECT orderkey\n" + " FROM lineitem\n" + " WHERE orderkey % 2 = 0)\n" + " FROM orders\n" + " LIMIT 10)"); } @Test public void testSemiJoinNullHandling() { assertQuery("WITH empty AS (SELECT 1 WHERE FALSE) " + "SELECT 3 FROM (VALUES 1) WHERE NULL IN (SELECT * FROM empty)", "SELECT 0 WHERE FALSE"); assertQuery("" + "SELECT orderkey\n" + " IN (\n" + " SELECT CASE WHEN orderkey % 3 = 0 THEN NULL ELSE orderkey END\n" + " FROM lineitem)\n" + "FROM orders"); assertQuery("" + "SELECT orderkey\n" + " IN (\n" + " SELECT orderkey\n" + " FROM lineitem)\n" + "FROM (\n" + " SELECT CASE WHEN orderkey % 3 = 0 THEN NULL ELSE orderkey END AS orderkey\n" + " FROM orders)"); assertQuery("" + "SELECT orderkey\n" + " IN (\n" + " SELECT CASE WHEN orderkey % 3 = 0 THEN NULL ELSE orderkey END\n" + " FROM lineitem)\n" + "FROM (\n" + " SELECT CASE WHEN orderkey % 4 = 0 THEN NULL ELSE orderkey END AS orderkey\n" + " FROM orders)"); } @Test public void testSemiJoinWithGroupBy() { // using the same subquery in query assertQuery("SELECT linenumber, min(orderkey), 6 IN (SELECT orderkey FROM orders WHERE orderkey < 7)" + "FROM lineitem " + "GROUP BY linenumber"); assertQuery("SELECT linenumber, min(orderkey), 6 IN (SELECT orderkey FROM orders WHERE orderkey < 7)" + "FROM lineitem " + "GROUP BY linenumber, 6 IN (SELECT orderkey FROM orders WHERE orderkey < 7)"); assertQuery("SELECT linenumber, min(orderkey) " + "FROM lineitem " + "GROUP BY linenumber, 6 IN (SELECT orderkey FROM orders WHERE orderkey < 7)"); assertQuery("SELECT linenumber, min(orderkey) " + "FROM lineitem " + "GROUP BY linenumber " + "HAVING 6 IN (SELECT orderkey FROM orders WHERE orderkey < 7)"); assertQuery("SELECT linenumber, min(orderkey), 6 IN (SELECT orderkey FROM orders WHERE orderkey < 7)" + "FROM lineitem " + "GROUP BY linenumber, 6 IN (SELECT orderkey FROM orders WHERE orderkey < 7)" + "HAVING 6 IN (SELECT orderkey FROM orders WHERE orderkey < 7)"); // using different subqueries assertQuery("SELECT linenumber, min(orderkey), 6 IN (SELECT max(orderkey) FROM orders WHERE orderkey < 7)" + "FROM lineitem " + "GROUP BY linenumber, 6 IN (SELECT sum(orderkey) FROM orders WHERE orderkey < 5)"); assertQuery("SELECT linenumber, min(orderkey) " + "FROM lineitem " + "GROUP BY linenumber, 6 IN (SELECT orderkey FROM orders WHERE orderkey < 7)" + "HAVING 6 IN (SELECT orderkey FROM orders WHERE orderkey > 3)"); assertQuery("SELECT linenumber, min(orderkey), 6 IN (SELECT orderkey FROM orders WHERE orderkey < 7)" + "FROM lineitem " + "GROUP BY linenumber, 6 IN (SELECT orderkey FROM orders WHERE orderkey < 5)" + "HAVING 6 IN (SELECT orderkey FROM orders WHERE orderkey > 3)"); } @Test public void testSemiJoinUnionNullHandling() { assertQuery("" + "SELECT orderkey\n" + " IN (\n" + " SELECT CASE WHEN orderkey % 500 = 0 THEN NULL ELSE orderkey END\n" + " FROM orders\n" + " WHERE orderkey % 200 = 0\n" + " UNION ALL\n" + " SELECT CASE WHEN orderkey % 600 = 0 THEN NULL ELSE orderkey END\n" + " FROM orders\n" + " WHERE orderkey % 300 = 0\n" + " )\n" + "FROM (\n" + " SELECT orderkey\n" + " FROM lineitem\n" + " WHERE orderkey % 100 = 0)"); } @Test public void testSemiJoinAggregationNullHandling() { assertQuery("" + "SELECT orderkey\n" + " IN (\n" + " SELECT CASE WHEN orderkey % 10 = 0 THEN NULL ELSE orderkey END\n" + " FROM lineitem\n" + " WHERE orderkey % 2 = 0\n" + " GROUP BY orderkey\n" + " )\n" + "FROM (\n" + " SELECT orderkey\n" + " FROM orders\n" + " WHERE orderkey % 3 = 0)"); } @Test public void testSemiJoinUnionAggregationNullHandling() { assertQuery("" + "SELECT orderkey\n" + " IN (\n" + " SELECT CASE WHEN orderkey % 500 = 0 THEN NULL ELSE orderkey END\n" + " FROM lineitem\n" + " WHERE orderkey % 250 = 0\n" + " UNION ALL\n" + " SELECT CASE WHEN orderkey % 300 = 0 THEN NULL ELSE orderkey END\n" + " FROM lineitem\n" + " WHERE orderkey % 200 = 0\n" + " GROUP BY orderkey\n" + " )\n" + "FROM (\n" + " SELECT orderkey\n" + " FROM orders\n" + " WHERE orderkey % 100 = 0)\n"); } @Test public void testSemiJoinAggregationUnionNullHandling() { assertQuery("" + "SELECT orderkey\n" + " IN (\n" + " SELECT orderkey\n" + " FROM (\n" + " SELECT CASE WHEN orderkey % 500 = 0 THEN NULL ELSE orderkey END AS orderkey\n" + " FROM orders\n" + " WHERE orderkey % 200 = 0\n" + " UNION ALL\n" + " SELECT CASE WHEN orderkey % 600 = 0 THEN NULL ELSE orderkey END AS orderkey\n" + " FROM orders\n" + " WHERE orderkey % 300 = 0\n" + " )\n" + " GROUP BY orderkey\n" + " )\n" + "FROM (\n" + " SELECT orderkey\n" + " FROM lineitem\n" + " WHERE orderkey % 100 = 0)"); } @Test public void testSameInPredicateInProjectionAndFilter() { assertQuery("SELECT x IN (SELECT * FROM (VALUES 1))\n" + "FROM (VALUES 1) t(x)\n" + "WHERE x IN (SELECT * FROM (VALUES 1))", "SELECT 1"); assertQuery("SELECT x IN (SELECT * FROM (VALUES 1))\n" + "FROM (VALUES 2) t(x)\n" + "WHERE x IN (SELECT * FROM (VALUES 1))", "SELECT 1 WHERE false"); } @Test public void testScalarSubquery() { // nested assertQuery("SELECT (SELECT (SELECT (SELECT 1)))"); // aggregation assertQuery("SELECT * FROM lineitem WHERE orderkey = \n" + "(SELECT max(orderkey) FROM orders)"); // no output assertQuery("SELECT * FROM lineitem WHERE orderkey = \n" + "(SELECT orderkey FROM orders WHERE 0=1)"); // no output matching with null test assertQuery("SELECT * FROM lineitem WHERE \n" + "(SELECT orderkey FROM orders WHERE 0=1) " + "is null"); assertQuery("SELECT * FROM lineitem WHERE \n" + "(SELECT orderkey FROM orders WHERE 0=1) " + "is not null"); // subquery results and in in-predicate assertQuery("SELECT (SELECT 1) IN (1, 2, 3)"); assertQuery("SELECT (SELECT 1) IN ( 2, 3)"); // multiple subqueries assertQuery("SELECT (SELECT 1) = (SELECT 3)"); assertQuery("SELECT (SELECT 1) < (SELECT 3)"); assertQuery("SELECT COUNT(*) FROM lineitem WHERE " + "(SELECT min(orderkey) FROM orders)" + "<" + "(SELECT max(orderkey) FROM orders)"); assertQuery("SELECT (SELECT 1), (SELECT 2), (SELECT 3)"); // distinct assertQuery("SELECT DISTINCT orderkey FROM lineitem " + "WHERE orderkey BETWEEN" + " (SELECT avg(orderkey) FROM orders) - 10 " + " AND" + " (SELECT avg(orderkey) FROM orders) + 10"); // subqueries with joins assertQuery("SELECT o1.orderkey, COUNT(*) " + "FROM orders o1 " + "INNER JOIN (SELECT * FROM orders ORDER BY orderkey LIMIT 10) o2 " + "ON o1.orderkey " + "BETWEEN (SELECT avg(orderkey) FROM orders) - 10 AND (SELECT avg(orderkey) FROM orders) + 10 " + "GROUP BY o1.orderkey"); assertQuery("SELECT o1.orderkey, COUNT(*) " + "FROM (SELECT * FROM orders ORDER BY orderkey LIMIT 5) o1 " + "LEFT JOIN (SELECT * FROM orders ORDER BY orderkey LIMIT 10) o2 " + "ON o1.orderkey " + "BETWEEN (SELECT avg(orderkey) FROM orders) - 10 AND (SELECT avg(orderkey) FROM orders) + 10 " + "GROUP BY o1.orderkey"); assertQuery("SELECT o1.orderkey, COUNT(*) " + "FROM orders o1 RIGHT JOIN (SELECT * FROM orders ORDER BY orderkey LIMIT 10) o2 " + "ON o1.orderkey " + "BETWEEN (SELECT avg(orderkey) FROM orders) - 10 AND (SELECT avg(orderkey) FROM orders) + 10 " + "GROUP BY o1.orderkey"); assertQuery("SELECT DISTINCT COUNT(*) " + "FROM (SELECT * FROM orders ORDER BY orderkey LIMIT 5) o1 " + "FULL JOIN (SELECT * FROM orders ORDER BY orderkey LIMIT 10) o2 " + "ON o1.orderkey " + "BETWEEN (SELECT avg(orderkey) FROM orders) - 10 AND (SELECT avg(orderkey) FROM orders) + 10 " + "GROUP BY o1.orderkey", "VALUES 1, 10"); // subqueries with ORDER BY assertQuery("SELECT orderkey, totalprice FROM orders ORDER BY (SELECT 2)"); // subquery returns multiple rows String multipleRowsErrorMsg = "Scalar sub-query has returned multiple rows"; assertQueryFails( "SELECT * FROM lineitem WHERE orderkey = (\n" + "SELECT orderkey FROM orders ORDER BY totalprice)", multipleRowsErrorMsg); assertQueryFails("SELECT orderkey, totalprice FROM orders ORDER BY (VALUES 1, 2)", multipleRowsErrorMsg); // exposes a bug in optimize hash generation because EnforceSingleNode does not // support more than one column from the underlying query assertQuery("SELECT custkey, (SELECT DISTINCT custkey FROM orders ORDER BY custkey LIMIT 1) FROM orders"); // cast scalar sub-query assertQuery("SELECT 1.0/(SELECT 1), CAST(1.0 AS REAL)/(SELECT 1), 1/(SELECT 1)"); assertQuery( "SELECT 1.0 = (SELECT 1) AND 1 = (SELECT 1), 2.0 = (SELECT 1) WHERE 1.0 = (SELECT 1) AND 1 = (SELECT 1)"); assertQuery( "SELECT 1.0 = (SELECT 1), 2.0 = (SELECT 1), CAST(2.0 AS REAL) = (SELECT 1) WHERE 1.0 = (SELECT 1)"); // coerce correlated symbols assertQuery("SELECT * FROM (VALUES 1) t(a) WHERE 1=(SELECT count(*) WHERE 1.0 = a)", "SELECT 1"); assertQuery("SELECT * FROM (VALUES 1.0) t(a) WHERE 1=(SELECT count(*) WHERE 1 = a)", "SELECT 1.0"); } @Test public void testExistsSubquery() { // nested assertQuery("SELECT EXISTS(SELECT NOT EXISTS(SELECT EXISTS(SELECT 1)))"); // aggregation assertQuery("SELECT COUNT(*) FROM lineitem WHERE " + "EXISTS(SELECT max(orderkey) FROM orders)"); assertQuery("SELECT COUNT(*) FROM lineitem WHERE " + "NOT EXISTS(SELECT max(orderkey) FROM orders)"); assertQuery("SELECT COUNT(*) FROM lineitem WHERE " + "NOT EXISTS(SELECT orderkey FROM orders WHERE false)"); // no output assertQuery("SELECT COUNT(*) FROM lineitem WHERE " + "EXISTS(SELECT orderkey FROM orders WHERE false)"); assertQuery("SELECT COUNT(*) FROM lineitem WHERE " + "NOT EXISTS(SELECT orderkey FROM orders WHERE false)"); // exists with in-predicate assertQuery("SELECT (EXISTS(SELECT 1)) IN (false)", "SELECT false"); assertQuery("SELECT (NOT EXISTS(SELECT 1)) IN (false)", "SELECT true"); assertQuery("SELECT (EXISTS(SELECT 1)) IN (true, false)", "SELECT true"); assertQuery("SELECT (NOT EXISTS(SELECT 1)) IN (true, false)", "SELECT true"); assertQuery("SELECT (EXISTS(SELECT 1 WHERE false)) IN (true, false)", "SELECT true"); assertQuery("SELECT (NOT EXISTS(SELECT 1 WHERE false)) IN (true, false)", "SELECT true"); assertQuery("SELECT (EXISTS(SELECT 1 WHERE false)) IN (false)", "SELECT true"); assertQuery("SELECT (NOT EXISTS(SELECT 1 WHERE false)) IN (false)", "SELECT false"); // multiple exists assertQuery("SELECT (EXISTS(SELECT 1)) = (EXISTS(SELECT 1)) WHERE NOT EXISTS(SELECT 1)", "SELECT true WHERE false"); assertQuery("SELECT (EXISTS(SELECT 1)) = (EXISTS(SELECT 3)) WHERE NOT EXISTS(SELECT 1 WHERE false)", "SELECT true"); assertQuery("SELECT COUNT(*) FROM lineitem WHERE " + "(EXISTS(SELECT min(orderkey) FROM orders))" + "=" + "(NOT EXISTS(SELECT orderkey FROM orders WHERE false))", "SELECT count(*) FROM lineitem"); assertQuery( "SELECT EXISTS(SELECT 1), EXISTS(SELECT 1), EXISTS(SELECT 3), NOT EXISTS(SELECT 1), NOT EXISTS(SELECT 1 WHERE false)"); // distinct assertQuery("SELECT DISTINCT orderkey FROM lineitem " + "WHERE EXISTS(SELECT avg(orderkey) FROM orders)"); // subqueries used with joins QueryTemplate.Parameter joinType = parameter("join_type"); QueryTemplate.Parameter condition = parameter("condition"); QueryTemplate queryTemplate = queryTemplate("SELECT o1.orderkey, COUNT(*) " + "FROM orders o1 %join_type% JOIN (SELECT * FROM orders LIMIT 10) o2 ON %condition% " + "GROUP BY o1.orderkey ORDER BY o1.orderkey LIMIT 5", joinType, condition); List<QueryTemplate.Parameter> conditions = condition.of("EXISTS(SELECT avg(orderkey) FROM orders)", "(SELECT avg(orderkey) FROM orders) > 3"); for (QueryTemplate.Parameter actualCondition : conditions) { for (QueryTemplate.Parameter actualJoinType : joinType.of("", "LEFT", "RIGHT")) { assertQuery(queryTemplate.replace(actualJoinType, actualCondition)); } assertQuery(queryTemplate.replace(joinType.of("FULL"), actualCondition), "VALUES (1, 10), (2, 10), (3, 10), (4, 10), (5, 10)"); } // subqueries with ORDER BY assertQuery("SELECT orderkey, totalprice FROM orders ORDER BY EXISTS(SELECT 2)"); assertQuery("SELECT orderkey, totalprice FROM orders ORDER BY NOT(EXISTS(SELECT 2))"); } @Test public void testScalarSubqueryWithGroupBy() { // using the same subquery in query assertQuery("SELECT linenumber, min(orderkey), (SELECT max(orderkey) FROM orders WHERE orderkey < 7)" + "FROM lineitem " + "GROUP BY linenumber"); assertQuery("SELECT linenumber, min(orderkey), (SELECT max(orderkey) FROM orders WHERE orderkey < 7)" + "FROM lineitem " + "GROUP BY linenumber, (SELECT max(orderkey) FROM orders WHERE orderkey < 7)"); assertQuery("SELECT linenumber, min(orderkey) " + "FROM lineitem " + "GROUP BY linenumber, (SELECT max(orderkey) FROM orders WHERE orderkey < 7)"); assertQuery("SELECT linenumber, min(orderkey) " + "FROM lineitem " + "GROUP BY linenumber " + "HAVING min(orderkey) < (SELECT avg(orderkey) FROM orders WHERE orderkey < 7)"); assertQuery("SELECT linenumber, min(orderkey), (SELECT max(orderkey) FROM orders WHERE orderkey < 7)" + "FROM lineitem " + "GROUP BY linenumber, (SELECT max(orderkey) FROM orders WHERE orderkey < 7)" + "HAVING min(orderkey) < (SELECT max(orderkey) FROM orders WHERE orderkey < 7)"); // using different subqueries assertQuery("SELECT linenumber, min(orderkey), (SELECT max(orderkey) FROM orders WHERE orderkey < 7)" + "FROM lineitem " + "GROUP BY linenumber, (SELECT sum(orderkey) FROM orders WHERE orderkey < 7)"); assertQuery("SELECT linenumber, max(orderkey), (SELECT min(orderkey) FROM orders WHERE orderkey < 5)" + "FROM lineitem " + "GROUP BY linenumber " + "HAVING sum(orderkey) > (SELECT min(orderkey) FROM orders WHERE orderkey < 7)"); assertQuery("SELECT linenumber, min(orderkey), (SELECT max(orderkey) FROM orders WHERE orderkey < 7)" + "FROM lineitem " + "GROUP BY linenumber, (SELECT count(orderkey) FROM orders WHERE orderkey < 7)" + "HAVING min(orderkey) < (SELECT sum(orderkey) FROM orders WHERE orderkey < 7)"); } @Test public void testOutputInEnforceSingleRow() { assertQuery("SELECT count(*) FROM (SELECT (SELECT 1))"); assertQuery("SELECT * FROM (SELECT (SELECT 1))"); assertQueryFails("SELECT * FROM (SELECT (SELECT 1, 2))", "line 1:23: Multiple columns returned by subquery are not yet supported. Found 2"); } @Test public void testExistsSubqueryWithGroupBy() { // using the same subquery in query assertQuery("SELECT linenumber, min(orderkey), EXISTS(SELECT orderkey FROM orders WHERE orderkey < 7)" + "FROM lineitem " + "GROUP BY linenumber"); assertQuery("SELECT linenumber, min(orderkey), EXISTS(SELECT orderkey FROM orders WHERE orderkey < 7)" + "FROM lineitem " + "GROUP BY linenumber, EXISTS(SELECT orderkey FROM orders WHERE orderkey < 7)"); assertQuery("SELECT linenumber, min(orderkey) " + "FROM lineitem " + "GROUP BY linenumber, EXISTS(SELECT orderkey FROM orders WHERE orderkey < 7)"); assertQuery("SELECT linenumber, min(orderkey) " + "FROM lineitem " + "GROUP BY linenumber " + "HAVING EXISTS(SELECT orderkey FROM orders WHERE orderkey < 7)"); assertQuery("SELECT linenumber, min(orderkey), EXISTS(SELECT orderkey FROM orders WHERE orderkey < 7)" + "FROM lineitem " + "GROUP BY linenumber, EXISTS(SELECT orderkey FROM orders WHERE orderkey < 7)" + "HAVING EXISTS(SELECT orderkey FROM orders WHERE orderkey < 7)"); // using different subqueries assertQuery("SELECT linenumber, min(orderkey), EXISTS(SELECT orderkey FROM orders WHERE orderkey < 7)" + "FROM lineitem " + "GROUP BY linenumber, EXISTS(SELECT orderkey FROM orders WHERE orderkey < 17)"); assertQuery("SELECT linenumber, max(orderkey), EXISTS(SELECT orderkey FROM orders WHERE orderkey < 5)" + "FROM lineitem " + "GROUP BY linenumber " + "HAVING EXISTS(SELECT orderkey FROM orders WHERE orderkey < 7)"); assertQuery("SELECT linenumber, min(orderkey), EXISTS(SELECT orderkey FROM orders WHERE orderkey < 17)" + "FROM lineitem " + "GROUP BY linenumber, EXISTS(SELECT orderkey FROM orders WHERE orderkey < 17)" + "HAVING EXISTS(SELECT orderkey FROM orders WHERE orderkey < 27)"); } @Test public void testCorrelatedScalarSubqueries() { assertQuery("SELECT (SELECT n.nationkey) FROM nation n"); assertQuery("SELECT (SELECT 2 * n.nationkey) FROM nation n"); assertQuery("SELECT nationkey FROM nation n WHERE 2 = (SELECT 2 * n.nationkey)"); assertQuery("SELECT nationkey FROM nation n ORDER BY (SELECT 2 * n.nationkey)"); // group by assertQuery( "SELECT max(n.regionkey), 2 * n.nationkey, (SELECT n.nationkey) FROM nation n GROUP BY n.nationkey"); assertQuery( "SELECT max(l.quantity), 2 * l.orderkey FROM lineitem l GROUP BY l.orderkey HAVING max(l.quantity) < (SELECT l.orderkey)"); assertQuery( "SELECT max(l.quantity), 2 * l.orderkey FROM lineitem l GROUP BY l.orderkey, (SELECT l.orderkey)"); // join assertQuery("SELECT * FROM nation n1 JOIN nation n2 ON n1.nationkey = (SELECT n2.nationkey)"); assertQueryFails( "SELECT (SELECT l3.* FROM lineitem l2 CROSS JOIN (SELECT l1.orderkey) l3 LIMIT 1) FROM lineitem l1", UNSUPPORTED_CORRELATED_SUBQUERY_ERROR_MSG); // subrelation assertQuery("SELECT 1 FROM nation n WHERE 2 * nationkey - 1 = (SELECT * FROM (SELECT n.nationkey))", "SELECT 1"); // h2 fails to parse this query // two level of nesting assertQuery("SELECT * FROM nation n WHERE 2 = (SELECT (SELECT 2 * n.nationkey))"); // explicit LIMIT in subquery assertQueryFails( "SELECT (SELECT count(*) FROM (VALUES (7,1)) t(orderkey, value) WHERE orderkey = corr_key LIMIT 1) FROM (values 7) t(corr_key)", "line 1:9: Given correlated subquery is not supported"); } @Test public void testCorrelatedNonAggregationScalarSubqueries() { String subqueryReturnedTooManyRows = "Scalar sub-query has returned multiple rows"; assertQuery("SELECT (SELECT 1 WHERE a = 2) FROM (VALUES 1) t(a)", "SELECT null"); assertQuery("SELECT (SELECT 2 WHERE a = 1) FROM (VALUES 1) t(a)", "SELECT 2"); assertQueryFails("SELECT (SELECT 2 FROM (VALUES 3, 4) WHERE a = 1) FROM (VALUES 1) t(a)", subqueryReturnedTooManyRows); // multiple subquery output projections assertQueryFails( "SELECT name FROM nation n WHERE 'AFRICA' = (SELECT 'bleh' FROM region WHERE regionkey > n.regionkey)", subqueryReturnedTooManyRows); assertQueryFails( "SELECT name FROM nation n WHERE 'AFRICA' = (SELECT name FROM region WHERE regionkey > n.regionkey)", subqueryReturnedTooManyRows); assertQueryFails("SELECT name FROM nation n WHERE 1 = (SELECT 1 FROM region WHERE regionkey > n.regionkey)", subqueryReturnedTooManyRows); // correlation used in subquery output assertQueryFails( "SELECT name FROM nation n WHERE 'AFRICA' = (SELECT n.name FROM region WHERE regionkey > n.regionkey)", UNSUPPORTED_CORRELATED_SUBQUERY_ERROR_MSG); assertQuery("SELECT (SELECT 2 WHERE o.orderkey = 1) FROM orders o ORDER BY orderkey LIMIT 5", "VALUES 2, null, null, null, null"); // outputs plain correlated orderkey symbol which causes ambiguity with outer query orderkey symbol assertQueryFails("SELECT (SELECT o.orderkey WHERE o.orderkey = 1) FROM orders o ORDER BY orderkey LIMIT 5", UNSUPPORTED_CORRELATED_SUBQUERY_ERROR_MSG); assertQueryFails( "SELECT (SELECT o.orderkey * 2 WHERE o.orderkey = 1) FROM orders o ORDER BY orderkey LIMIT 5", UNSUPPORTED_CORRELATED_SUBQUERY_ERROR_MSG); // correlation used outside the subquery assertQueryFails( "SELECT o.orderkey, (SELECT o.orderkey * 2 WHERE o.orderkey = 1) FROM orders o ORDER BY orderkey LIMIT 5", UNSUPPORTED_CORRELATED_SUBQUERY_ERROR_MSG); // aggregation with having // TODO: https://github.com/prestodb/presto/issues/8456 // assertQuery("SELECT (SELECT avg(totalprice) FROM orders GROUP BY custkey, orderdate HAVING avg(totalprice) < a) FROM (VALUES 900) t(a)"); // correlation in predicate assertQuery( "SELECT name FROM nation n WHERE 'AFRICA' = (SELECT name FROM region WHERE regionkey = n.regionkey)"); // same correlation in predicate and projection assertQueryFails( "SELECT nationkey FROM nation n WHERE " + "(SELECT n.regionkey * 2 FROM region r WHERE n.regionkey = r.regionkey) > 6", UNSUPPORTED_CORRELATED_SUBQUERY_ERROR_MSG); // different correlation in predicate and projection assertQueryFails( "SELECT nationkey FROM nation n WHERE " + "(SELECT n.nationkey * 2 FROM region r WHERE n.regionkey = r.regionkey) > 6", UNSUPPORTED_CORRELATED_SUBQUERY_ERROR_MSG); // correlation used in subrelation assertQuery("SELECT nationkey FROM nation n WHERE " + "(SELECT regionkey * 2 FROM (SELECT regionkey FROM region r WHERE n.regionkey = r.regionkey)) > 6 " + "ORDER BY 1 LIMIT 3", "VALUES 4, 10, 11"); // h2 didn't make it // with duplicated rows assertQuery("SELECT (SELECT name FROM nation WHERE nationkey = a) FROM (VALUES 1, 1, 2, 3) t(a)", "VALUES 'ARGENTINA', 'ARGENTINA', 'BRAZIL', 'CANADA'"); // h2 didn't make it // returning null when nothing matched assertQuery("SELECT (SELECT name FROM nation WHERE nationkey = a) FROM (VALUES 31) t(a)", "VALUES null"); assertQuery( "SELECT (SELECT r.name FROM nation n, region r WHERE r.regionkey = n.regionkey AND n.nationkey = a) FROM (VALUES 1) t(a)", "VALUES 'AMERICA'"); } @Test public void testCorrelatedScalarSubqueriesWithScalarAggregationAndEqualityPredicatesInWhere() { assertQuery("SELECT (SELECT count(*) WHERE o.orderkey = 1) FROM orders o"); assertQuery("SELECT count(*) FROM orders o WHERE 1 = (SELECT count(*) WHERE o.orderkey = 0)"); assertQuery("SELECT * FROM orders o ORDER BY (SELECT count(*) WHERE o.orderkey = 0)"); assertQuery("SELECT count(*) FROM nation n WHERE " + "(SELECT count(*) FROM region r WHERE n.regionkey = r.regionkey) > 1"); assertQueryFails("SELECT count(*) FROM nation n WHERE " + "(SELECT avg(a) FROM (SELECT count(*) FROM region r WHERE n.regionkey = r.regionkey) t(a)) > 1", UNSUPPORTED_CORRELATED_SUBQUERY_ERROR_MSG); // with duplicated rows assertQuery("SELECT (SELECT count(*) WHERE a = 1) FROM (VALUES 1, 1, 2, 3) t(a)", "VALUES true, true, false, false"); // group by assertQuery("SELECT max(o.totalprice), o.orderkey, (SELECT count(*) WHERE o.orderkey = 0) " + "FROM orders o GROUP BY o.orderkey"); assertQuery("SELECT max(o.totalprice), o.orderkey " + "FROM orders o GROUP BY o.orderkey HAVING 1 = (SELECT count(*) WHERE o.orderkey = 0)"); assertQuery("SELECT max(o.totalprice), o.orderkey FROM orders o " + "GROUP BY o.orderkey, (SELECT count(*) WHERE o.orderkey = 0)"); // join assertQuery("SELECT count(*) " + "FROM (SELECT * FROM orders ORDER BY orderkey LIMIT 10) o1 " + "JOIN (SELECT * FROM orders ORDER BY orderkey LIMIT 5) o2 " + "ON NOT 1 = (SELECT count(*) WHERE o1.orderkey = o2.orderkey)"); assertQueryFails( "SELECT count(*) FROM orders o1 LEFT JOIN orders o2 " + "ON NOT 1 = (SELECT count(*) WHERE o1.orderkey = o2.orderkey)", "line .*: Correlated subquery in given context is not supported"); // subrelation assertQuery( "SELECT count(*) FROM orders o " + "WHERE 1 = (SELECT * FROM (SELECT (SELECT count(*) WHERE o.orderkey = 0)))", "SELECT count(*) FROM orders o WHERE o.orderkey = 0"); } @Test public void testCorrelatedScalarSubqueriesWithScalarAggregation() { // projection assertQuery( "SELECT (SELECT round(3 * avg(i.a)) FROM (VALUES 1, 1, 1, 2, 2, 3, 4) i(a) WHERE i.a < o.a AND i.a < 4) " + "FROM (VALUES 0, 3, 3, 5) o(a)", "VALUES null, 4, 4, 5"); assertQuery("SELECT count(*) FROM orders o " + "WHERE (SELECT avg(i.orderkey) FROM orders i " + "WHERE o.orderkey < i.orderkey AND i.orderkey % 10000 = 0) > 100", "VALUES 14999"); // h2 is slow // order by assertQuery("SELECT orderkey FROM orders o " + "ORDER BY " + " (SELECT avg(i.orderkey) FROM orders i WHERE o.orderkey < i.orderkey AND i.orderkey % 10000 = 0), " + " orderkey " + "LIMIT 1", "VALUES 1"); // h2 is slow // group by assertQuery("SELECT max(o.orderdate), o.orderkey, " + "(SELECT avg(i.orderkey) FROM orders i WHERE o.orderkey < i.orderkey AND i.orderkey % 10000 = 0) " + "FROM orders o GROUP BY o.orderkey ORDER BY o.orderkey LIMIT 1", "VALUES ('1996-01-02', 1, 40000)"); // h2 is slow assertQuery("SELECT max(o.orderdate), o.orderkey " + "FROM orders o " + "GROUP BY o.orderkey " + "HAVING 40000 < (SELECT avg(i.orderkey) FROM orders i WHERE o.orderkey < i.orderkey AND i.orderkey % 10000 = 0)" + "ORDER BY o.orderkey LIMIT 1", "VALUES ('1996-07-24', 20000)"); // h2 is slow assertQuery("SELECT max(o.orderdate), o.orderkey FROM orders o " + "GROUP BY o.orderkey, (SELECT avg(i.orderkey) FROM orders i WHERE o.orderkey < i.orderkey AND i.orderkey % 10000 = 0)" + "ORDER BY o.orderkey LIMIT 1", "VALUES ('1996-01-02', 1)"); // h2 is slow // join assertQuery("SELECT count(*) " + "FROM (SELECT * FROM orders ORDER BY orderkey LIMIT 10) o1 " + "JOIN (SELECT * FROM orders ORDER BY orderkey LIMIT 5) o2 " + "ON NOT 1 = (SELECT avg(i.orderkey) FROM orders i WHERE o1.orderkey < o2.orderkey AND i.orderkey % 10000 = 0)"); assertQueryFails( "SELECT count(*) FROM orders o1 LEFT JOIN orders o2 " + "ON NOT 1 = (SELECT avg(i.orderkey) FROM orders i WHERE o1.orderkey < o2.orderkey)", "line .*: Correlated subquery in given context is not supported"); // subrelation assertQuery("SELECT count(*) FROM orders o " + "WHERE 100 < (SELECT * " + "FROM (SELECT (SELECT avg(i.orderkey) FROM orders i WHERE o.orderkey < i.orderkey AND i.orderkey % 10000 = 0)))", "VALUES 14999"); // h2 is slow // consecutive correlated subqueries with scalar aggregation assertQuery("SELECT " + "(SELECT avg(regionkey) " + " FROM nation n2" + " WHERE n2.nationkey = n1.nationkey)," + "(SELECT avg(regionkey)" + " FROM nation n3" + " WHERE n3.nationkey = n1.nationkey)" + "FROM nation n1"); assertQuery("SELECT" + "(SELECT avg(regionkey)" + " FROM nation n2 " + " WHERE n2.nationkey = n1.nationkey)," + "(SELECT avg(regionkey)+1 " + " FROM nation n3 " + " WHERE n3.nationkey = n1.nationkey)" + "FROM nation n1"); //count in subquery assertQuery("SELECT * " + "FROM (VALUES (0),( 1), (2), (7)) AS v1(c1) " + "WHERE v1.c1 > (SELECT count(c1) FROM (VALUES (0),( 1), (2)) AS v2(c1) WHERE v1.c1 = v2.c1)", "VALUES (2), (7)"); } @Test public void testCorrelatedInPredicateSubqueries() { assertQuery( "SELECT orderkey, clerk IN (SELECT clerk FROM orders s WHERE s.custkey = o.custkey AND s.orderkey < o.orderkey) FROM orders o"); assertQuery( "SELECT orderkey FROM orders o WHERE clerk IN (SELECT clerk FROM orders s WHERE s.custkey = o.custkey AND s.orderkey < o.orderkey)"); // all cases of IN (as one test query to avoid pruning, over-eager push down) assertQuery("SELECT t1.a, t1.b, " + " t1.b in (SELECT t2.b " + " FROM (values (2, 3), (2, 4), (3, 0), (30,NULL)) t2(a, b) " + " WHERE t1.a - 5 <= t2.a and t2.a <= t1.a and 0 <= t2.a) " + "from (values (1,1), (2,4), (3,5), (4,NULL), (30,2), (40,NULL) ) t1(a, b) " + "order by t1.a", "VALUES (1,1,FALSE), (2,4,TRUE), (3,5,FALSE), (4,NULL,NULL), (30,2,NULL), (40,NULL,FALSE)"); // subquery with LIMIT (correlated filter below any unhandled node type) assertQueryFails( "SELECT orderkey FROM orders o WHERE clerk IN (SELECT clerk FROM orders s WHERE s.custkey = o.custkey AND s.orderkey < o.orderkey ORDER BY 1 LIMIT 1)", UNSUPPORTED_CORRELATED_SUBQUERY_ERROR_MSG); assertQueryFails("SELECT 1 IN (SELECT l.orderkey) FROM lineitem l", UNSUPPORTED_CORRELATED_SUBQUERY_ERROR_MSG); assertQueryFails("SELECT 1 IN (SELECT 2 * l.orderkey) FROM lineitem l", UNSUPPORTED_CORRELATED_SUBQUERY_ERROR_MSG); assertQueryFails("SELECT * FROM lineitem l WHERE 1 IN (SELECT 2 * l.orderkey)", UNSUPPORTED_CORRELATED_SUBQUERY_ERROR_MSG); assertQueryFails("SELECT * FROM lineitem l ORDER BY 1 IN (SELECT 2 * l.orderkey)", UNSUPPORTED_CORRELATED_SUBQUERY_ERROR_MSG); // group by assertQueryFails( "SELECT max(l.quantity), 2 * l.orderkey, 1 IN (SELECT l.orderkey) FROM lineitem l GROUP BY l.orderkey", UNSUPPORTED_CORRELATED_SUBQUERY_ERROR_MSG); assertQueryFails( "SELECT max(l.quantity), 2 * l.orderkey FROM lineitem l GROUP BY l.orderkey HAVING max(l.quantity) IN (SELECT l.orderkey)", UNSUPPORTED_CORRELATED_SUBQUERY_ERROR_MSG); assertQueryFails( "SELECT max(l.quantity), 2 * l.orderkey FROM lineitem l GROUP BY l.orderkey, 1 IN (SELECT l.orderkey)", UNSUPPORTED_CORRELATED_SUBQUERY_ERROR_MSG); // join assertQueryFails("SELECT * FROM lineitem l1 JOIN lineitem l2 ON l1.orderkey IN (SELECT l2.orderkey)", UNSUPPORTED_CORRELATED_SUBQUERY_ERROR_MSG); // subrelation assertQueryFails("SELECT * FROM lineitem l WHERE (SELECT * FROM (SELECT 1 IN (SELECT 2 * l.orderkey)))", UNSUPPORTED_CORRELATED_SUBQUERY_ERROR_MSG); // two level of nesting assertQueryFails("SELECT * FROM lineitem l WHERE true IN (SELECT 1 IN (SELECT 2 * l.orderkey))", UNSUPPORTED_CORRELATED_SUBQUERY_ERROR_MSG); } @Test public void testCorrelatedExistsSubqueriesWithPrunedCorrelationSymbols() { assertQuery("SELECT EXISTS(SELECT o.orderkey) FROM orders o"); assertQuery("SELECT count(*) FROM orders o WHERE EXISTS(SELECT o.orderkey)"); assertQuery("SELECT * FROM orders o ORDER BY EXISTS(SELECT o.orderkey)"); // group by assertQuery( "SELECT max(o.totalprice), o.orderkey, EXISTS(SELECT o.orderkey) FROM orders o GROUP BY o.orderkey"); assertQuery("SELECT max(o.totalprice), o.orderkey " + "FROM orders o GROUP BY o.orderkey HAVING EXISTS (SELECT o.orderkey)"); assertQuery( "SELECT max(o.totalprice), o.orderkey FROM orders o GROUP BY o.orderkey, EXISTS (SELECT o.orderkey)"); // join assertQuery("SELECT * FROM orders o JOIN (SELECT * FROM lineitem ORDER BY orderkey LIMIT 2) l " + "ON NOT EXISTS(SELECT o.orderkey = l.orderkey)"); // subrelation assertQuery("SELECT count(*) FROM orders o WHERE (SELECT * FROM (SELECT EXISTS(SELECT o.orderkey)))", "VALUES 15000"); } @Test public void testCorrelatedExistsSubqueriesWithEqualityPredicatesInWhere() { assertQuery("SELECT EXISTS(SELECT 1 WHERE o.orderkey = 1) FROM orders o"); assertQuery("SELECT EXISTS(SELECT null WHERE o.orderkey = 1) FROM orders o"); assertQuery("SELECT count(*) FROM orders o WHERE EXISTS(SELECT 1 WHERE o.orderkey = 0)"); assertQuery("SELECT * FROM orders o ORDER BY EXISTS(SELECT 1 WHERE o.orderkey = 0)"); assertQuery("SELECT count(*) FROM orders o " + "WHERE EXISTS (SELECT avg(l.orderkey) FROM lineitem l WHERE o.orderkey = l.orderkey)"); assertQuery("SELECT count(*) FROM orders o " + "WHERE EXISTS (SELECT avg(l.orderkey) FROM lineitem l WHERE o.orderkey = l.orderkey GROUP BY l.linenumber)"); assertQueryFails("SELECT count(*) FROM orders o " + "WHERE EXISTS (SELECT count(*) FROM lineitem l WHERE o.orderkey = l.orderkey HAVING count(*) > 3)", UNSUPPORTED_CORRELATED_SUBQUERY_ERROR_MSG); // with duplicated rows assertQuery("SELECT EXISTS(SELECT 1 WHERE a = 1) FROM (VALUES 1, 1, 2, 3) t(a)", "VALUES true, true, false, false"); // group by assertQuery("SELECT max(o.totalprice), o.orderkey, EXISTS(SELECT 1 WHERE o.orderkey = 0) " + "FROM orders o GROUP BY o.orderkey"); assertQuery("SELECT max(o.totalprice), o.orderkey " + "FROM orders o GROUP BY o.orderkey HAVING EXISTS (SELECT 1 WHERE o.orderkey = 0)"); assertQuery("SELECT max(o.totalprice), o.orderkey " + "FROM orders o GROUP BY o.orderkey, EXISTS (SELECT 1 WHERE o.orderkey = 0)"); // join assertQuery("SELECT count(*) " + "FROM (SELECT * FROM orders ORDER BY orderkey LIMIT 10) o1 " + "JOIN (SELECT * FROM orders ORDER BY orderkey LIMIT 5) o2 " + "ON NOT EXISTS(SELECT 1 WHERE o1.orderkey = o2.orderkey)"); assertQueryFails( "SELECT count(*) FROM orders o1 LEFT JOIN orders o2 " + "ON NOT EXISTS(SELECT 1 WHERE o1.orderkey = o2.orderkey)", "line .*: Correlated subquery in given context is not supported"); // subrelation assertQuery( "SELECT count(*) FROM orders o WHERE (SELECT * FROM (SELECT EXISTS(SELECT 1 WHERE o.orderkey = 0)))", "SELECT count(*) FROM orders o WHERE o.orderkey = 0"); // not exists assertQuery( "SELECT count(*) FROM customer WHERE NOT EXISTS(SELECT * FROM orders WHERE orders.custkey=customer.custkey)", "VALUES 500"); } @Test public void testCorrelatedExistsSubqueries() { // projection assertQuery("SELECT EXISTS(SELECT 1 FROM (VALUES 1, 1, 1, 2, 2, 3, 4) i(a) WHERE i.a < o.a AND i.a < 4) " + "FROM (VALUES 0, 3, 3, 5) o(a)", "VALUES false, true, true, true"); assertQuery("SELECT EXISTS(SELECT 1 WHERE l.orderkey > 0 OR l.orderkey != 3) " + "FROM lineitem l LIMIT 1"); assertQuery("SELECT count(*) FROM orders o " + "WHERE EXISTS(SELECT 1 FROM orders i WHERE o.orderkey < i.orderkey AND i.orderkey % 1000 = 0)", "VALUES 14999"); // h2 is slow assertQuery("SELECT count(*) FROM lineitem l " + "WHERE EXISTS(SELECT 1 WHERE l.orderkey > 0 OR l.orderkey != 3)"); // order by assertQuery("SELECT orderkey FROM orders o ORDER BY " + "EXISTS(SELECT 1 FROM orders i WHERE o.orderkey < i.orderkey AND i.orderkey % 10000 = 0)" + "LIMIT 1", "VALUES 60000"); // h2 is slow assertQuery("SELECT orderkey FROM lineitem l ORDER BY " + "EXISTS(SELECT 1 WHERE l.orderkey > 0 OR l.orderkey != 3)"); // group by assertQuery( "SELECT max(o.orderdate), o.orderkey, " + "EXISTS(SELECT 1 FROM orders i WHERE o.orderkey < i.orderkey AND i.orderkey % 10000 = 0) " + "FROM orders o GROUP BY o.orderkey ORDER BY o.orderkey LIMIT 1", "VALUES ('1996-01-02', 1, true)"); // h2 is slow assertQuery("SELECT max(o.orderdate), o.orderkey " + "FROM orders o " + "GROUP BY o.orderkey " + "HAVING EXISTS(SELECT 1 FROM orders i WHERE o.orderkey < i.orderkey AND i.orderkey % 10000 = 0)" + "ORDER BY o.orderkey LIMIT 1", "VALUES ('1996-01-02', 1)"); // h2 is slow assertQuery("SELECT max(o.orderdate), o.orderkey FROM orders o " + "GROUP BY o.orderkey, EXISTS(SELECT 1 FROM orders i WHERE o.orderkey < i.orderkey AND i.orderkey % 10000 = 0)" + "ORDER BY o.orderkey LIMIT 1", "VALUES ('1996-01-02', 1)"); // h2 is slow assertQuery( "SELECT max(l.quantity), l.orderkey, EXISTS(SELECT 1 WHERE l.orderkey > 0 OR l.orderkey != 3) FROM lineitem l " + "GROUP BY l.orderkey"); assertQuery("SELECT max(l.quantity), l.orderkey FROM lineitem l " + "GROUP BY l.orderkey " + "HAVING EXISTS (SELECT 1 WHERE l.orderkey > 0 OR l.orderkey != 3)"); assertQuery("SELECT max(l.quantity), l.orderkey FROM lineitem l " + "GROUP BY l.orderkey, EXISTS (SELECT 1 WHERE l.orderkey > 0 OR l.orderkey != 3)"); // join assertQuery("SELECT count(*) " + "FROM (SELECT * FROM orders ORDER BY orderkey LIMIT 10) o1 " + "JOIN (SELECT * FROM orders ORDER BY orderkey LIMIT 5) o2 " + "ON NOT EXISTS(SELECT 1 FROM orders i WHERE o1.orderkey < o2.orderkey AND i.orderkey % 10000 = 0)"); assertQueryFails( "SELECT count(*) FROM orders o1 LEFT JOIN orders o2 " + "ON NOT EXISTS(SELECT 1 FROM orders i WHERE o1.orderkey < o2.orderkey)", "line .*: Correlated subquery in given context is not supported"); // subrelation assertQuery("SELECT count(*) FROM orders o " + "WHERE (SELECT * FROM (SELECT EXISTS(SELECT 1 FROM orders i WHERE o.orderkey < i.orderkey AND i.orderkey % 10000 = 0)))", "VALUES 14999"); // h2 is slow assertQuery("SELECT count(*) FROM orders o " + "WHERE (SELECT * FROM (SELECT EXISTS(SELECT 1 WHERE o.orderkey > 10 OR o.orderkey != 3)))", "VALUES 14999"); } @Test public void testTwoCorrelatedExistsSubqueries() { // This is simpliefied TPC-H q21 assertQuery("SELECT\n" + " count(*) AS numwait\n" + "FROM\n" + " nation l1\n" + "WHERE\n" + " EXISTS(\n" + " SELECT *\n" + " FROM\n" + " nation l2\n" + " WHERE\n" + " l2.nationkey = l1.nationkey\n" + " )\n" + " AND NOT EXISTS(\n" + " SELECT *\n" + " FROM\n" + " nation l3\n" + " WHERE\n" + " l3.nationkey= l1.nationkey\n" + " )\n", "VALUES 0"); // EXISTS predicates are contradictory } @Test public void testPredicatePushdown() { assertQuery("" + "SELECT *\n" + "FROM (\n" + " SELECT orderkey+1 AS a FROM orders WHERE orderstatus = 'F' UNION ALL \n" + " SELECT orderkey FROM orders WHERE orderkey % 2 = 0 UNION ALL \n" + " (SELECT orderkey+custkey FROM orders ORDER BY orderkey LIMIT 10)\n" + ") \n" + "WHERE a < 20 OR a > 100 \n" + "ORDER BY a"); } @Test public void testJoinPredicatePushdown() { assertQuery("" + "SELECT COUNT(*)\n" + "FROM lineitem \n" + "JOIN (\n" + " SELECT * FROM orders\n" + ") orders \n" + "ON lineitem.orderkey = orders.orderkey \n" + "WHERE orders.orderkey % 4 = 0\n" + " AND lineitem.suppkey > orders.orderkey"); } @Test public void testLeftJoinAsInnerPredicatePushdown() { assertQuery("" + "SELECT COUNT(*)\n" + "FROM lineitem \n" + "LEFT JOIN (\n" + " SELECT * FROM orders WHERE orders.orderkey % 2 = 0\n" + ") orders \n" + "ON lineitem.orderkey = orders.orderkey \n" + "WHERE orders.orderkey % 4 = 0\n" + " AND (lineitem.suppkey % 2 = orders.orderkey % 2 OR orders.custkey IS NULL)"); } @Test public void testPlainLeftJoinPredicatePushdown() { assertQuery("" + "SELECT COUNT(*)\n" + "FROM lineitem \n" + "LEFT JOIN (\n" + " SELECT * FROM orders WHERE orders.orderkey % 2 = 0\n" + ") orders \n" + "ON lineitem.orderkey = orders.orderkey \n" + "WHERE lineitem.orderkey % 4 = 0\n" + " AND (lineitem.suppkey % 2 = orders.orderkey % 2 OR orders.orderkey IS NULL)"); } @Test public void testLeftJoinPredicatePushdownWithSelfEquality() { assertQuery("" + "SELECT COUNT(*)\n" + "FROM lineitem \n" + "LEFT JOIN (\n" + " SELECT * FROM orders WHERE orders.orderkey % 2 = 0\n" + ") orders \n" + "ON lineitem.orderkey = orders.orderkey \n" + "WHERE orders.orderkey = orders.orderkey\n" + " AND lineitem.orderkey % 4 = 0\n" + " AND (lineitem.suppkey % 2 = orders.orderkey % 2 OR orders.orderkey IS NULL)"); } @Test public void testLeftJoinPredicatePushdownWithNullConstant() { assertQuery("" + "SELECT count(*)\n" + "FROM orders a\n" + "LEFT OUTER JOIN orders b\n" + " ON a.clerk = b.clerk\n" + "WHERE a.orderpriority='5-LOW'\n" + " AND b.orderpriority='1-URGENT'\n" + " AND b.clerk is null\n" + " AND a.orderkey % 4 = 0\n"); } @Test public void testRightJoinAsInnerPredicatePushdown() { assertQuery("" + "SELECT COUNT(*)\n" + "FROM (\n" + " SELECT * FROM orders WHERE orders.orderkey % 2 = 0\n" + ") orders\n" + "RIGHT JOIN lineitem\n" + "ON lineitem.orderkey = orders.orderkey \n" + "WHERE orders.orderkey % 4 = 0\n" + " AND (lineitem.suppkey % 2 = orders.orderkey % 2 OR orders.custkey IS NULL)"); } @Test public void testPlainRightJoinPredicatePushdown() { assertQuery("" + "SELECT COUNT(*)\n" + "FROM (\n" + " SELECT * FROM orders WHERE orders.orderkey % 2 = 0\n" + ") orders \n" + "RIGHT JOIN lineitem\n" + "ON lineitem.orderkey = orders.orderkey \n" + "WHERE lineitem.orderkey % 4 = 0\n" + " AND (lineitem.suppkey % 2 = orders.orderkey % 2 OR orders.orderkey IS NULL)"); } @Test public void testRightJoinPredicatePushdownWithSelfEquality() { assertQuery("" + "SELECT COUNT(*)\n" + "FROM (\n" + " SELECT * FROM orders WHERE orders.orderkey % 2 = 0\n" + ") orders \n" + "RIGHT JOIN lineitem\n" + "ON lineitem.orderkey = orders.orderkey \n" + "WHERE orders.orderkey = orders.orderkey\n" + " AND lineitem.orderkey % 4 = 0\n" + " AND (lineitem.suppkey % 2 = orders.orderkey % 2 OR orders.orderkey IS NULL)"); } @Test public void testPredicatePushdownJoinEqualityGroups() { assertQuery("" + "SELECT *\n" + "FROM (\n" + " SELECT custkey custkey1, custkey%4 custkey1a, custkey%8 custkey1b, custkey%16 custkey1c\n" + " FROM orders\n" + ") orders1 \n" + "JOIN (\n" + " SELECT custkey custkey2, custkey%4 custkey2a, custkey%8 custkey2b\n" + " FROM orders\n" + ") orders2 ON orders1.custkey1 = orders2.custkey2\n" + "WHERE custkey2a = custkey2b\n" + " AND custkey1 = custkey1a\n" + " AND custkey2 = custkey2a\n" + " AND custkey1a = custkey1c\n" + " AND custkey1b = custkey1c\n" + " AND custkey1b % 2 = 0"); } @Test public void testGroupByKeyPredicatePushdown() { assertQuery("" + "SELECT *\n" + "FROM (\n" + " SELECT custkey1, orderstatus1, SUM(totalprice1) totalprice, MAX(custkey2) maxcustkey\n" + " FROM (\n" + " SELECT *\n" + " FROM (\n" + " SELECT custkey custkey1, orderstatus orderstatus1, CAST(totalprice AS BIGINT) totalprice1, orderkey orderkey1\n" + " FROM orders\n" + " ) orders1 \n" + " JOIN (\n" + " SELECT custkey custkey2, orderstatus orderstatus2, CAST(totalprice AS BIGINT) totalprice2, orderkey orderkey2\n" + " FROM orders\n" + " ) orders2 ON orders1.orderkey1 = orders2.orderkey2\n" + " ) \n" + " GROUP BY custkey1, orderstatus1\n" + ")\n" + "WHERE custkey1 = maxcustkey\n" + "AND maxcustkey % 2 = 0 \n" + "AND orderstatus1 = 'F'\n" + "AND totalprice > 10000\n" + "ORDER BY custkey1, orderstatus1, totalprice, maxcustkey"); } @Test public void testNonDeterministicJoinPredicatePushdown() { MaterializedResult materializedResult = computeActual( "" + "SELECT COUNT(*)\n" + "FROM (\n" + " SELECT DISTINCT *\n" + " FROM (\n" + " SELECT 'abc' AS col1a, 500 AS col1b FROM lineitem LIMIT 1\n" + " ) table1\n" + " JOIN (\n" + " SELECT 'abc' AS col2a FROM lineitem LIMIT 1000000\n" + " ) table2\n" + " ON table1.col1a = table2.col2a\n" + " WHERE rand() * 1000 > table1.col1b\n" + ")"); MaterializedRow row = getOnlyElement(materializedResult.getMaterializedRows()); assertEquals(row.getFieldCount(), 1); long count = (Long) row.getField(0); // Technically non-deterministic unit test but has essentially a next to impossible chance of a false positive assertTrue(count > 0 && count < 1000000); } @Test public void testTrivialNonDeterministicPredicatePushdown() { assertQuery("SELECT COUNT(*) WHERE rand() >= 0"); } @Test public void testNonDeterministicTableScanPredicatePushdown() { MaterializedResult materializedResult = computeActual("" + "SELECT COUNT(*)\n" + "FROM (\n" + " SELECT *\n" + " FROM lineitem\n" + " LIMIT 1000\n" + ")\n" + "WHERE rand() > 0.5"); MaterializedRow row = getOnlyElement(materializedResult.getMaterializedRows()); assertEquals(row.getFieldCount(), 1); long count = (Long) row.getField(0); // Technically non-deterministic unit test but has essentially a next to impossible chance of a false positive assertTrue(count > 0 && count < 1000); } @Test public void testNonDeterministicAggregationPredicatePushdown() { MaterializedResult materializedResult = computeActual( "" + "SELECT COUNT(*)\n" + "FROM (\n" + " SELECT orderkey, COUNT(*)\n" + " FROM lineitem\n" + " GROUP BY orderkey\n" + " LIMIT 1000\n" + ")\n" + "WHERE rand() > 0.5"); MaterializedRow row = getOnlyElement(materializedResult.getMaterializedRows()); assertEquals(row.getFieldCount(), 1); long count = (Long) row.getField(0); // Technically non-deterministic unit test but has essentially a next to impossible chance of a false positive assertTrue(count > 0 && count < 1000); } @Test public void testSemiJoinPredicateMoveAround() { assertQuery("" + "SELECT COUNT(*)\n" + "FROM (SELECT * FROM orders WHERE custkey % 2 = 0 AND orderkey % 3 = 0)\n" + "WHERE orderkey\n" + " IN (\n" + " SELECT CASE WHEN orderkey % 7 = 0 THEN NULL ELSE orderkey END\n" + " FROM lineitem\n" + " WHERE partkey % 2 = 0)\n" + " AND\n" + " orderkey % 2 = 0"); } @Test public void testUnionAllPredicateMoveAroundWithOverlappingProjections() { assertQuery("" + "SELECT COUNT(*)\n" + "FROM (\n" + " SELECT orderkey AS x, orderkey AS y\n" + " FROM orders\n" + " WHERE orderkey % 3 = 0\n" + " UNION ALL\n" + " SELECT orderkey AS x, orderkey AS y\n" + " FROM orders\n" + " WHERE orderkey % 2 = 0\n" + ") a\n" + "JOIN (\n" + " SELECT orderkey AS x, orderkey AS y\n" + " FROM orders\n" + ") b\n" + "ON a.x = b.x"); } @Test public void testTableSampleBernoulliBoundaryValues() { MaterializedResult fullSample = computeActual("SELECT orderkey FROM orders TABLESAMPLE BERNOULLI (100)"); MaterializedResult emptySample = computeActual("SELECT orderkey FROM orders TABLESAMPLE BERNOULLI (0)"); MaterializedResult all = computeExpected("SELECT orderkey FROM orders", fullSample.getTypes()); assertContains(all, fullSample); assertEquals(emptySample.getMaterializedRows().size(), 0); } @Test public void testTableSampleBernoulli() { DescriptiveStatistics stats = new DescriptiveStatistics(); int total = computeExpected("SELECT orderkey FROM orders", ImmutableList.of(BIGINT)).getMaterializedRows() .size(); for (int i = 0; i < 100; i++) { List<MaterializedRow> values = computeActual("SELECT orderkey FROM orders TABLESAMPLE BERNOULLI (50)") .getMaterializedRows(); assertEquals(values.size(), ImmutableSet.copyOf(values).size(), "TABLESAMPLE produced duplicate rows"); stats.addValue(values.size() * 1.0 / total); } double mean = stats.getGeometricMean(); assertTrue(mean > 0.45 && mean < 0.55, format("Expected mean sampling rate to be ~0.5, but was %s", mean)); } @Test public void testFunctionNotRegistered() { assertQueryFails("SELECT length(1)", "\\Qline 1:8: Unexpected parameters (integer) for function length. Expected:\\E.*"); } @Test public void testFunctionArgumentTypeConstraint() { assertQueryFails("SELECT greatest(rgb(255, 0, 0))", "\\Qline 1:8: Unexpected parameters (color) for function greatest. Expected: greatest(E) E:orderable\\E.*"); } @Test public void testTypeMismatch() { assertQueryFails("SELECT 1 <> 'x'", "\\Qline 1:10: '<>' cannot be applied to integer, varchar(1)\\E"); } @Test public void testInvalidType() { assertQueryFails("SELECT CAST(null AS array(foo))", "\\Qline 1:8: Unknown type: array(foo)\\E"); } @Test public void testInvalidTypeInfixOperator() { // Comment on why error message references varchar(214783647) instead of varchar(2) which seems expected result type for concatenation in expression. // Currently variable argument functions do not play well with arguments using parametrized types. // The variable argument functions mechanism requires that all the arguments are of exactly same type. We cannot enforce that base must match but parameters may differ. assertQueryFails("SELECT ('a' || 'z') + (3 * 4) / 5", "\\Qline 1:21: '+' cannot be applied to varchar, integer\\E"); } @Test public void testInvalidTypeBetweenOperator() { assertQueryFails("SELECT 'a' BETWEEN 3 AND 'z'", "\\Qline 1:12: Cannot check if varchar(1) is BETWEEN integer and varchar(1)\\E"); } @Test public void testInvalidTypeArray() { assertQueryFails("SELECT ARRAY[1, 2, 'a']", "\\Qline 1:20: All ARRAY elements must be the same type: integer\\E"); } @Test public void testArrayShuffle() { List<Integer> expected = IntStream.rangeClosed(1, 500).boxed().collect(toList()); Set<List<Integer>> distinctResults = new HashSet<>(); distinctResults.add(expected); for (int i = 0; i < 3; i++) { MaterializedResult results = computeActual( format("SELECT shuffle(ARRAY %s) FROM orders LIMIT 10", expected)); List<MaterializedRow> rows = results.getMaterializedRows(); assertEquals(rows.size(), 10); for (MaterializedRow row : rows) { List<Integer> actual = (List<Integer>) row.getField(0); // check if the result is a correct permutation assertEqualsIgnoreOrder(actual, expected); distinctResults.add(actual); } } assertTrue(distinctResults.size() >= 24, "shuffle must produce at least 24 distinct results"); } @Test public void testNonReservedTimeWords() { assertQuery("" + "SELECT TIME, TIMESTAMP, DATE, INTERVAL\n" + "FROM (SELECT 1 TIME, 2 TIMESTAMP, 3 DATE, 4 INTERVAL)"); } @Test public void testCustomAdd() { assertQuery("SELECT custom_add(orderkey, custkey) FROM orders", "SELECT orderkey + custkey FROM orders"); } @Test public void testCustomSum() { @Language("SQL") String sql = "SELECT orderstatus, custom_sum(orderkey) FROM orders GROUP BY orderstatus"; assertQuery(sql, sql.replace("custom_sum", "sum")); } @Test public void testCustomRank() { @Language("SQL") String sql = "" + "SELECT orderstatus, clerk, sales\n" + ", custom_rank() OVER (PARTITION BY orderstatus ORDER BY sales DESC) rnk\n" + "FROM (\n" + " SELECT orderstatus, clerk, sum(totalprice) sales\n" + " FROM orders\n" + " GROUP BY orderstatus, clerk\n" + ")\n" + "ORDER BY orderstatus, clerk"; assertEquals(computeActual(sql), computeActual(sql.replace("custom_rank", "rank"))); } @Test public void testApproxSetBigint() { MaterializedResult actual = computeActual("SELECT cardinality(approx_set(custkey)) FROM orders"); MaterializedResult expected = resultBuilder(getSession(), BIGINT).row(1002L).build(); assertEquals(actual.getMaterializedRows(), expected.getMaterializedRows()); } @Test public void testApproxSetVarchar() { MaterializedResult actual = computeActual( "SELECT cardinality(approx_set(CAST(custkey AS VARCHAR))) FROM orders"); MaterializedResult expected = resultBuilder(getSession(), BIGINT).row(1024L).build(); assertEquals(actual.getMaterializedRows(), expected.getMaterializedRows()); } @Test public void testApproxSetDouble() { MaterializedResult actual = computeActual( "SELECT cardinality(approx_set(CAST(custkey AS DOUBLE))) FROM orders"); MaterializedResult expected = resultBuilder(getSession(), BIGINT).row(1014L).build(); assertEquals(actual.getMaterializedRows(), expected.getMaterializedRows()); } @Test public void testApproxSetBigintGroupBy() { MaterializedResult actual = computeActual("" + "SELECT orderstatus, cardinality(approx_set(custkey)) " + "FROM orders " + "GROUP BY orderstatus"); MaterializedResult expected = resultBuilder(getSession(), actual.getTypes()).row("O", 1001L).row("F", 998L) .row("P", 304L).build(); assertEqualsIgnoreOrder(actual.getMaterializedRows(), expected.getMaterializedRows()); } @Test public void testApproxSetVarcharGroupBy() { MaterializedResult actual = computeActual( "" + "SELECT orderstatus, cardinality(approx_set(CAST(custkey AS VARCHAR))) " + "FROM orders " + "GROUP BY orderstatus"); MaterializedResult expected = resultBuilder(getSession(), actual.getTypes()).row("O", 1021L).row("F", 1019L) .row("P", 304L).build(); assertEqualsIgnoreOrder(actual.getMaterializedRows(), expected.getMaterializedRows()); } @Test public void testApproxSetDoubleGroupBy() { MaterializedResult actual = computeActual( "" + "SELECT orderstatus, cardinality(approx_set(CAST(custkey AS DOUBLE))) " + "FROM orders " + "GROUP BY orderstatus"); MaterializedResult expected = resultBuilder(getSession(), actual.getTypes()).row("O", 1011L).row("F", 1011L) .row("P", 304L).build(); assertEqualsIgnoreOrder(actual.getMaterializedRows(), expected.getMaterializedRows()); } @Test public void testApproxSetWithNulls() { MaterializedResult actual = computeActual( "SELECT cardinality(approx_set(IF(orderstatus = 'O', custkey))) FROM orders"); MaterializedResult expected = resultBuilder(getSession(), actual.getTypes()).row(1001L).build(); assertEquals(actual.getMaterializedRows(), expected.getMaterializedRows()); } @Test public void testApproxSetOnlyNulls() { MaterializedResult actual = computeActual("SELECT cardinality(approx_set(null)) FROM orders"); MaterializedResult expected = resultBuilder(getSession(), actual.getTypes()).row(new Object[] { null }) .build(); assertEquals(actual.getMaterializedRows(), expected.getMaterializedRows()); } @Test public void testApproxSetGroupByWithOnlyNullsInOneGroup() { MaterializedResult actual = computeActual( "" + "SELECT orderstatus, cardinality(approx_set(IF(orderstatus != 'O', custkey))) " + "FROM orders " + "GROUP BY orderstatus"); MaterializedResult expected = resultBuilder(getSession(), actual.getTypes()).row("O", null).row("F", 998L) .row("P", 304L).build(); assertEqualsIgnoreOrder(actual.getMaterializedRows(), expected.getMaterializedRows()); } @Test public void testApproxSetGroupByWithNulls() { MaterializedResult actual = computeActual( "" + "SELECT orderstatus, cardinality(approx_set(IF(custkey % 2 <> 0, custkey))) " + "FROM orders " + "GROUP BY orderstatus"); MaterializedResult expected = resultBuilder(getSession(), actual.getTypes()).row("O", 499L).row("F", 496L) .row("P", 153L).build(); assertEqualsIgnoreOrder(actual.getMaterializedRows(), expected.getMaterializedRows()); } @Test public void testMergeHyperLogLog() { MaterializedResult actual = computeActual("SELECT cardinality(merge(create_hll(custkey))) FROM orders"); MaterializedResult expected = resultBuilder(getSession(), BIGINT).row(1002L).build(); assertEquals(actual.getMaterializedRows(), expected.getMaterializedRows()); } @Test public void testMergeHyperLogLogGroupBy() { MaterializedResult actual = computeActual( "" + "SELECT orderstatus, cardinality(merge(create_hll(custkey))) " + "FROM orders " + "GROUP BY orderstatus"); MaterializedResult expected = resultBuilder(getSession(), actual.getTypes()).row("O", 1001L).row("F", 998L) .row("P", 304L).build(); assertEqualsIgnoreOrder(actual.getMaterializedRows(), expected.getMaterializedRows()); } @Test public void testMergeHyperLogLogWithNulls() { MaterializedResult actual = computeActual( "SELECT cardinality(merge(create_hll(IF(orderstatus = 'O', custkey)))) FROM orders"); MaterializedResult expected = resultBuilder(getSession(), BIGINT).row(1001L).build(); assertEquals(actual.getMaterializedRows(), expected.getMaterializedRows()); } @Test public void testMergeHyperLogLogGroupByWithNulls() { MaterializedResult actual = computeActual( "" + "SELECT orderstatus, cardinality(merge(create_hll(IF(orderstatus != 'O', custkey)))) " + "FROM orders " + "GROUP BY orderstatus"); MaterializedResult expected = resultBuilder(getSession(), actual.getTypes()).row("O", null).row("F", 998L) .row("P", 304L).build(); assertEqualsIgnoreOrder(actual.getMaterializedRows(), expected.getMaterializedRows()); } @Test public void testMergeHyperLogLogOnlyNulls() { MaterializedResult actual = computeActual( "SELECT cardinality(merge(CAST (null AS HyperLogLog))) FROM orders"); MaterializedResult expected = resultBuilder(getSession(), BIGINT).row(new Object[] { null }).build(); assertEquals(actual.getMaterializedRows(), expected.getMaterializedRows()); } @Test public void testEmptyApproxSet() { MaterializedResult actual = computeActual("SELECT cardinality(empty_approx_set())"); MaterializedResult expected = resultBuilder(getSession(), BIGINT).row(0L).build(); assertEquals(actual.getMaterializedRows(), expected.getMaterializedRows()); } @Test public void testMergeEmptyApproxSet() { MaterializedResult actual = computeActual("SELECT cardinality(merge(empty_approx_set())) FROM orders"); MaterializedResult expected = resultBuilder(getSession(), BIGINT).row(0L).build(); assertEquals(actual.getMaterializedRows(), expected.getMaterializedRows()); } @Test public void testMergeEmptyNonEmptyApproxSet() { MaterializedResult actual = computeActual( "SELECT cardinality(merge(c)) FROM (SELECT create_hll(custkey) c FROM orders UNION ALL SELECT empty_approx_set())"); MaterializedResult expected = resultBuilder(getSession(), BIGINT).row(1002L).build(); assertEquals(actual.getMaterializedRows(), expected.getMaterializedRows()); } @Test public void testP4ApproxSetBigint() { MaterializedResult actual = computeActual( "SELECT cardinality(cast(approx_set(custkey) AS P4HYPERLOGLOG)) FROM orders"); MaterializedResult expected = resultBuilder(getSession(), BIGINT).row(1002L).build(); assertEquals(actual.getMaterializedRows(), expected.getMaterializedRows()); } @Test public void testP4ApproxSetVarchar() { MaterializedResult actual = computeActual( "SELECT cardinality(cast(approx_set(CAST(custkey AS VARCHAR)) AS P4HYPERLOGLOG)) FROM orders"); MaterializedResult expected = resultBuilder(getSession(), BIGINT).row(1024L).build(); assertEquals(actual.getMaterializedRows(), expected.getMaterializedRows()); } @Test public void testP4ApproxSetDouble() { MaterializedResult actual = computeActual( "SELECT cardinality(cast(approx_set(CAST(custkey AS DOUBLE)) AS P4HYPERLOGLOG)) FROM orders"); MaterializedResult expected = resultBuilder(getSession(), BIGINT).row(1014L).build(); assertEquals(actual.getMaterializedRows(), expected.getMaterializedRows()); } @Test public void testP4ApproxSetBigintGroupBy() { MaterializedResult actual = computeActual( "" + "SELECT orderstatus, cardinality(cast(approx_set(custkey) AS P4HYPERLOGLOG)) " + "FROM orders " + "GROUP BY orderstatus"); MaterializedResult expected = resultBuilder(getSession(), actual.getTypes()).row("O", 1001L).row("F", 998L) .row("P", 308L).build(); assertEqualsIgnoreOrder(actual.getMaterializedRows(), expected.getMaterializedRows()); } @Test public void testP4ApproxSetVarcharGroupBy() { MaterializedResult actual = computeActual( "" + "SELECT orderstatus, cardinality(cast(approx_set(CAST(custkey AS VARCHAR)) AS P4HYPERLOGLOG)) " + "FROM orders " + "GROUP BY orderstatus"); MaterializedResult expected = resultBuilder(getSession(), actual.getTypes()).row("O", 1021L).row("F", 1019L) .row("P", 302L).build(); assertEqualsIgnoreOrder(actual.getMaterializedRows(), expected.getMaterializedRows()); } @Test public void testP4ApproxSetDoubleGroupBy() { MaterializedResult actual = computeActual( "" + "SELECT orderstatus, cardinality(cast(approx_set(CAST(custkey AS DOUBLE)) AS P4HYPERLOGLOG)) " + "FROM orders " + "GROUP BY orderstatus"); MaterializedResult expected = resultBuilder(getSession(), actual.getTypes()).row("O", 1011L).row("F", 1011L) .row("P", 306L).build(); assertEqualsIgnoreOrder(actual.getMaterializedRows(), expected.getMaterializedRows()); } @Test public void testP4ApproxSetWithNulls() { MaterializedResult actual = computeActual( "SELECT cardinality(cast(approx_set(IF(orderstatus = 'O', custkey)) AS P4HYPERLOGLOG)) FROM orders"); MaterializedResult expected = resultBuilder(getSession(), actual.getTypes()).row(1001L).build(); assertEquals(actual.getMaterializedRows(), expected.getMaterializedRows()); } @Test public void testP4ApproxSetOnlyNulls() { MaterializedResult actual = computeActual( "SELECT cardinality(cast(approx_set(null) AS P4HYPERLOGLOG)) FROM orders"); MaterializedResult expected = resultBuilder(getSession(), actual.getTypes()).row(new Object[] { null }) .build(); assertEquals(actual.getMaterializedRows(), expected.getMaterializedRows()); } @Test public void testP4ApproxSetGroupByWithOnlyNullsInOneGroup() { MaterializedResult actual = computeActual("" + "SELECT orderstatus, cardinality(cast(approx_set(IF(orderstatus != 'O', custkey)) AS P4HYPERLOGLOG)) " + "FROM orders " + "GROUP BY orderstatus"); MaterializedResult expected = resultBuilder(getSession(), actual.getTypes()).row("O", null).row("F", 998L) .row("P", 308L).build(); assertEqualsIgnoreOrder(actual.getMaterializedRows(), expected.getMaterializedRows()); } @Test public void testP4ApproxSetGroupByWithNulls() { MaterializedResult actual = computeActual("" + "SELECT orderstatus, cardinality(cast(approx_set(IF(custkey % 2 <> 0, custkey)) AS P4HYPERLOGLOG)) " + "FROM orders " + "GROUP BY orderstatus"); MaterializedResult expected = resultBuilder(getSession(), actual.getTypes()).row("O", 495L).row("F", 491L) .row("P", 153L).build(); assertEqualsIgnoreOrder(actual.getMaterializedRows(), expected.getMaterializedRows()); } @Test public void testValuesWithNonTrivialType() { MaterializedResult actual = computeActual("VALUES (0E0/0E0, 1E0/0E0, -1E0/0E0)"); List<MaterializedRow> rows = actual.getMaterializedRows(); assertEquals(rows.size(), 1); MaterializedRow row = rows.get(0); assertTrue(((Double) row.getField(0)).isNaN()); assertEquals(row.getField(1), Double.POSITIVE_INFINITY); assertEquals(row.getField(2), Double.NEGATIVE_INFINITY); } @Test public void testValuesWithTimestamp() { MaterializedResult actual = computeActual("VALUES (current_timestamp, now())"); List<MaterializedRow> rows = actual.getMaterializedRows(); assertEquals(rows.size(), 1); MaterializedRow row = rows.get(0); assertEquals(row.getField(0), row.getField(1)); } @Test public void testValuesWithUnusedColumns() { MaterializedResult actual = computeActual("SELECT foo FROM (values (1, 2)) a(foo, bar)"); MaterializedResult expected = resultBuilder(getSession(), actual.getTypes()).row(1).build(); assertEquals(actual.getMaterializedRows(), expected.getMaterializedRows()); } @Test public void testFilterPushdownWithAggregation() { assertQuery("SELECT * FROM (SELECT count(*) FROM orders) WHERE 0=1"); assertQuery("SELECT * FROM (SELECT count(*) FROM orders) WHERE null"); } @Test public void testAccessControl() { assertAccessDenied("INSERT INTO orders SELECT * FROM orders", "Cannot insert into table .*.orders.*", privilege("orders", INSERT_TABLE)); assertAccessDenied("DELETE FROM orders", "Cannot delete from table .*.orders.*", privilege("orders", DELETE_TABLE)); assertAccessDenied("CREATE TABLE foo AS SELECT * FROM orders", "Cannot create table .*.foo.*", privilege("foo", CREATE_TABLE)); assertAccessDenied("SELECT * FROM nation", "Cannot select from columns \\[nationkey, regionkey, name, comment\\] in table .*.nation.*", privilege("nationkey", SELECT_COLUMN)); assertAccessDenied("SELECT * FROM (SELECT * FROM nation)", "Cannot select from columns \\[nationkey, regionkey, name, comment\\] in table .*.nation.*", privilege("nationkey", SELECT_COLUMN)); assertAccessDenied("SELECT name FROM (SELECT * FROM nation)", "Cannot select from columns \\[nationkey, regionkey, name, comment\\] in table .*.nation.*", privilege("nationkey", SELECT_COLUMN)); assertAccessAllowed("SELECT name FROM nation", privilege("nationkey", SELECT_COLUMN)); assertAccessDenied("SELECT n1.nationkey, n2.regionkey FROM nation n1, nation n2", "Cannot select from columns \\[nationkey, regionkey\\] in table .*.nation.*", privilege("nationkey", SELECT_COLUMN)); assertAccessDenied( "SELECT count(name) as c FROM nation where comment > 'abc' GROUP BY regionkey having max(nationkey) > 10", "Cannot select from columns \\[nationkey, regionkey, name, comment\\] in table .*.nation.*", privilege("nationkey", SELECT_COLUMN)); assertAccessDenied("SELECT 1 FROM region, nation where region.regionkey = nation.nationkey", "Cannot select from columns \\[nationkey\\] in table .*.nation.*", privilege("nationkey", SELECT_COLUMN)); assertAccessDenied("SELECT count(*) FROM nation", "Cannot select from columns \\[\\] in table .*.nation.*", privilege("nation", SELECT_COLUMN)); assertAccessDenied("WITH t1 AS (SELECT * FROM nation) SELECT * FROM t1", "Cannot select from columns \\[nationkey, regionkey, name, comment\\] in table .*.nation.*", privilege("nationkey", SELECT_COLUMN)); assertAccessAllowed("SELECT name AS my_alias FROM nation", privilege("my_alias", SELECT_COLUMN)); assertAccessAllowed("SELECT my_alias from (SELECT name AS my_alias FROM nation)", privilege("my_alias", SELECT_COLUMN)); assertAccessDenied("SELECT name AS my_alias FROM nation", "Cannot select from columns \\[name\\] in table .*.nation.*", privilege("name", SELECT_COLUMN)); } @Test public void testEmptyInputForUnnest() { assertQuery( "SELECT val FROM (SELECT DISTINCT vals FROM (values (array[2])) t(vals) WHERE false) tmp CROSS JOIN unnest(tmp.vals) tt(val)", "SELECT 1 WHERE 1=2"); } @Test public void testCoercions() { // VARCHAR assertQuery("SELECT length(NULL)"); assertQuery("SELECT CAST('abc' AS VARCHAR(255)) || CAST('abc' AS VARCHAR(252))"); assertQuery("SELECT CAST('abc' AS VARCHAR(255)) || 'abc'"); // DECIMAL - DECIMAL assertQuery("SELECT CAST(1.1 AS DECIMAL(38,1)) + NULL"); assertQuery("SELECT CAST(292 AS DECIMAL(38,1)) + CAST(292.1 AS DECIMAL(5,1))"); assertEqualsIgnoreOrder(computeActual( "SELECT ARRAY[CAST(282 AS DECIMAL(22,1)), CAST(282 AS DECIMAL(10,1))] || CAST(292 AS DECIMAL(5,1))"), computeActual( "SELECT ARRAY[CAST(282 AS DECIMAL(22,1)), CAST(282 AS DECIMAL(10,1)), CAST(292 AS DECIMAL(5,1))]")); // BIGINT - DECIMAL assertQuery("SELECT CAST(1.1 AS DECIMAL(38,1)) + CAST(292 AS BIGINT)"); assertQuery("SELECT CAST(292 AS DECIMAL(38,1)) = CAST(292 AS BIGINT)"); assertEqualsIgnoreOrder(computeActual( "SELECT ARRAY[CAST(282 AS DECIMAL(22,1)), CAST(282 AS DECIMAL(10,1))] || CAST(292 AS BIGINT)"), computeActual( "SELECT ARRAY[CAST(282 AS DECIMAL(22,1)), CAST(282 AS DECIMAL(10,1)), CAST(292 AS DECIMAL(19,0))]")); // DECIMAL - DECIMAL assertQuery("SELECT CAST(1.1 AS DECIMAL(38,1)) + CAST(1.1 AS DOUBLE)"); assertQuery("SELECT CAST(1.1 AS DECIMAL(38,1)) = CAST(1.1 AS DOUBLE)"); assertQuery("SELECT SIN(CAST(1.1 AS DECIMAL(38,1)))"); assertEqualsIgnoreOrder(computeActual( "SELECT ARRAY[CAST(282.1 AS DOUBLE), CAST(283.2 AS DOUBLE)] || CAST(101.3 AS DECIMAL(5,1))"), computeActual("SELECT ARRAY[CAST(282.1 AS DOUBLE), CAST(283.2 AS DOUBLE), CAST(101.3 AS DOUBLE)]")); // INTEGER - DECIMAL assertQuery("SELECT CAST(1.1 AS DECIMAL(38,1)) + CAST(292 AS INTEGER)"); assertQuery("SELECT CAST(292 AS DECIMAL(38,1)) = CAST(292 AS INTEGER)"); assertEqualsIgnoreOrder(computeActual( "SELECT ARRAY[CAST(282 AS DECIMAL(22,1)), CAST(282 AS DECIMAL(10,1))] || CAST(292 AS INTEGER)"), computeActual( "SELECT ARRAY[CAST(282 AS DECIMAL(22,1)), CAST(282 AS DECIMAL(10,1)), CAST(292 AS DECIMAL(19,0))]")); // TINYINT - DECIMAL assertQuery("SELECT CAST(1.1 AS DECIMAL(38,1)) + CAST(CAST(121 AS DECIMAL(30,1)) AS TINYINT)"); assertQuery("SELECT CAST(292 AS DECIMAL(38,1)) = CAST(CAST(121 AS DECIMAL(30,1)) AS TINYINT)"); // SMALLINT - DECIMAL assertQuery("SELECT CAST(1.1 AS DECIMAL(38,1)) + CAST(CAST(121 AS DECIMAL(30,1)) AS SMALLINT)"); assertQuery("SELECT CAST(292 AS DECIMAL(38,1)) = CAST(CAST(121 AS DECIMAL(30,1)) AS SMALLINT)"); // Complex coercions across joins assertQuery("SELECT * FROM (" + " SELECT t2.x || t2.z cc FROM (" + " SELECT *" + " FROM (VALUES (CAST('a' AS VARCHAR), CAST('c' AS VARCHAR))) t(x, z)" + " ) t2" + " JOIN (" + " SELECT *" + " FROM (VALUES (CAST('a' AS VARCHAR), CAST('c' AS VARCHAR))) u(x, z)" + " WHERE z='c'" + " ) u2" + " ON t2.z = u2.z" + ") tt " + "WHERE cc = 'ac'", "SELECT 'ac'"); assertQuery("SELECT * FROM (" + " SELECT greatest (t.x, t.z) cc FROM (" + " SELECT *" + " FROM (VALUES (VARCHAR 'a', VARCHAR 'c')) t(x, z)" + " ) t" + " JOIN (" + " SELECT *" + " FROM (VALUES (VARCHAR 'a', VARCHAR 'c')) u(x, z)" + " WHERE z='c'" + " ) u" + " ON t.z = u.z" + ")" + "WHERE cc = 'c'", "SELECT 'c'"); assertQuery( "SELECT cc[1], cc[2] FROM (" + " SELECT * FROM (" + " SELECT array[t.x, t.z] cc FROM (" + " SELECT *" + " FROM (VALUES (VARCHAR 'a', VARCHAR 'c')) t(x, z)" + " ) t" + " JOIN (" + " SELECT *" + " FROM (VALUES (VARCHAR 'a', VARCHAR 'c')) u(x, z)" + " WHERE z='c'" + " ) u" + " ON t.z = u.z)" + " WHERE cc = array['a', 'c'])", "SELECT 'a', 'c'"); assertQuery("SELECT c = 'x'" + "FROM (" + " SELECT 'x' AS c" + " UNION ALL" + " SELECT 'yy' AS c" + ")"); } @Test public void testExecute() { Session session = Session.builder(getSession()).addPreparedStatement("my_query", "SELECT 123, 'abc'") .build(); assertQuery(session, "EXECUTE my_query", "SELECT 123, 'abc'"); } @Test public void testExecuteUsing() { String query = "SELECT a + 1, count(?) FROM (VALUES 1, 2, 3, 2) t1(a) JOIN (VALUES 1, 2, 3, 4) t2(b) ON b < ? WHERE a < ? GROUP BY a + 1 HAVING count(1) > ?"; Session session = Session.builder(getSession()).addPreparedStatement("my_query", query).build(); assertQuery(session, "EXECUTE my_query USING 1, 5, 4, 0", "VALUES (2, 4), (3, 8), (4, 4)"); } @Test public void testExecuteUsingComplexJoinCriteria() { String query = "SELECT * FROM (VALUES 1) t(a) JOIN (VALUES 2) u(a) ON t.a + u.a < ?"; Session session = Session.builder(getSession()).addPreparedStatement("my_query", query).build(); assertQuery(session, "EXECUTE my_query USING 5", "VALUES (1, 2)"); } @Test public void testExecuteUsingWithSubquery() { String query = "SELECT ? in (SELECT orderkey FROM orders)"; Session session = Session.builder(getSession()).addPreparedStatement("my_query", query).build(); assertQuery(session, "EXECUTE my_query USING 10", "SELECT 10 in (SELECT orderkey FROM orders)"); } @Test public void testExecuteUsingWithSubqueryInJoin() { String query = "SELECT * " + "FROM " + " (VALUES ?,2,3) t(x) " + " JOIN " + " (VALUES 1,2,3) t2(y) " + " ON " + "(x in (VALUES 1,2,?)) = (y in (VALUES 1,2,3)) AND (x in (VALUES 1,?)) = (y in (VALUES 1,2))"; Session session = Session.builder(getSession()).addPreparedStatement("my_query", query).build(); assertQuery(session, "EXECUTE my_query USING 1, 3, 2", "VALUES (1,1), (1,2), (2,2), (2,1), (3,3)"); } @Test public void testExecuteWithParametersInGroupBy() { try { String query = "SELECT a + ?, count(1) FROM (VALUES 1, 2, 3, 2) t(a) GROUP BY a + ?"; Session session = Session.builder(getSession()).addPreparedStatement("my_query", query).build(); computeActual(session, "EXECUTE my_query USING 1, 1"); fail("parameters in GROUP BY and SELECT should fail"); } catch (SemanticException e) { assertEquals(e.getCode(), MUST_BE_AGGREGATE_OR_GROUP_BY); } catch (RuntimeException e) { assertEquals(e.getMessage(), "line 1:10: '(a + ?)' must be an aggregate expression or appear in GROUP BY clause"); } } @Test public void testExecuteNoSuchQuery() { assertQueryFails("EXECUTE my_query", "Prepared statement not found: my_query"); } @Test public void testParametersNonPreparedStatement() { try { computeActual("SELECT ?, 1"); fail("parameters not in prepared statements should fail"); } catch (SemanticException e) { assertEquals(e.getCode(), INVALID_PARAMETER_USAGE); } catch (RuntimeException e) { assertEquals(e.getMessage(), "line 1:1: Incorrect number of parameters: expected 1 but found 0"); } } @Test public void testDescribeInput() { Session session = Session.builder(getSession()) .addPreparedStatement("my_query", "SELECT ? FROM nation WHERE nationkey = ? and name < ?").build(); MaterializedResult actual = computeActual(session, "DESCRIBE INPUT my_query"); MaterializedResult expected = resultBuilder(session, BIGINT, VARCHAR).row(0, "unknown").row(1, "bigint") .row(2, "varchar").build(); assertEqualsIgnoreOrder(actual, expected); } @Test public void testDescribeInputWithAggregation() { Session session = Session.builder(getSession()) .addPreparedStatement("my_query", "SELECT count(*) + ? FROM nation").build(); MaterializedResult actual = computeActual(session, "DESCRIBE INPUT my_query"); MaterializedResult expected = resultBuilder(session, BIGINT, VARCHAR).row(0, "bigint").build(); assertEqualsIgnoreOrder(actual, expected); } @Test public void testDescribeInputNoParameters() { Session session = Session.builder(getSession()).addPreparedStatement("my_query", "SELECT * FROM nation") .build(); MaterializedResult actual = computeActual(session, "DESCRIBE INPUT my_query"); MaterializedResult expected = resultBuilder(session, UNKNOWN, UNKNOWN).build(); assertEquals(actual, expected); } @Test public void testDescribeInputNoSuchQuery() { assertQueryFails("DESCRIBE INPUT my_query", "Prepared statement not found: my_query"); } @Test public void testQuantifiedComparison() { assertQuery( "SELECT nationkey, name, regionkey FROM nation WHERE regionkey = ANY (SELECT regionkey FROM region WHERE name IN ('ASIA', 'EUROPE'))"); assertQuery( "SELECT nationkey, name, regionkey FROM nation WHERE regionkey = ALL (SELECT regionkey FROM region WHERE name IN ('ASIA', 'EUROPE'))"); assertQuery( "SELECT nationkey, name, regionkey FROM nation WHERE regionkey <> ANY (SELECT regionkey FROM region WHERE name IN ('ASIA', 'EUROPE'))"); assertQuery( "SELECT nationkey, name, regionkey FROM nation WHERE regionkey <> ALL (SELECT regionkey FROM region WHERE name IN ('ASIA', 'EUROPE'))"); assertQuery( "SELECT nationkey, name, regionkey FROM nation WHERE regionkey = ALL (SELECT regionkey FROM region WHERE name IN ('ASIA'))"); assertQuery( "SELECT nationkey, name, regionkey FROM nation WHERE regionkey <> ALL (SELECT regionkey FROM region WHERE name IN ('ASIA'))"); assertQuery( "SELECT nationkey, name, regionkey FROM nation WHERE regionkey = ANY (SELECT regionkey FROM region WHERE name IN ('EUROPE'))"); assertQuery( "SELECT nationkey, name, regionkey FROM nation WHERE regionkey <> ANY (SELECT regionkey FROM region WHERE name IN ('EUROPE'))"); assertQuery( "SELECT nationkey, name, regionkey FROM nation WHERE regionkey < SOME (SELECT regionkey FROM region WHERE name IN ('ASIA', 'EUROPE'))"); assertQuery( "SELECT nationkey, name, regionkey FROM nation WHERE regionkey <= ANY (SELECT regionkey FROM region WHERE name IN ('ASIA', 'EUROPE'))"); assertQuery( "SELECT nationkey, name, regionkey FROM nation WHERE regionkey > ANY (SELECT regionkey FROM region WHERE name IN ('ASIA', 'EUROPE'))"); assertQuery( "SELECT nationkey, name, regionkey FROM nation WHERE regionkey >= SOME (SELECT regionkey FROM region WHERE name IN ('ASIA', 'EUROPE'))"); assertQuery( "SELECT nationkey, name, regionkey FROM nation WHERE regionkey < ALL (SELECT regionkey FROM region WHERE name IN ('ASIA', 'EUROPE'))"); assertQuery( "SELECT nationkey, name, regionkey FROM nation WHERE regionkey <= ALL (SELECT regionkey FROM region WHERE name IN ('ASIA', 'EUROPE'))"); assertQuery( "SELECT nationkey, name, regionkey FROM nation WHERE regionkey > ALL (SELECT regionkey FROM region WHERE name IN ('ASIA', 'EUROPE'))"); assertQuery( "SELECT nationkey, name, regionkey FROM nation WHERE regionkey >= ALL (SELECT regionkey FROM region WHERE name IN ('ASIA', 'EUROPE'))"); // subquery with coercion assertQuery("SELECT 1.0 < ALL(SELECT 1), 1 < ALL(SELECT 1)"); assertQuery("SELECT 1.0 < ANY(SELECT 1), 1 < ANY(SELECT 1)"); assertQuery("SELECT 1.0 <= ALL(SELECT 1) WHERE 1 <= ALL(SELECT 1)"); assertQuery("SELECT 1.0 <= ANY(SELECT 1) WHERE 1 <= ANY(SELECT 1)"); assertQuery("SELECT 1.0 <= ALL(SELECT 1), 1 <= ALL(SELECT 1) WHERE 1 <= ALL(SELECT 1)"); assertQuery("SELECT 1.0 <= ANY(SELECT 1), 1 <= ANY(SELECT 1) WHERE 1 <= ANY(SELECT 1)"); assertQuery("SELECT 1.0 = ALL(SELECT 1) WHERE 1 = ALL(SELECT 1)"); assertQuery("SELECT 1.0 = ANY(SELECT 1) WHERE 1 = ANY(SELECT 1)"); assertQuery("SELECT 1.0 = ALL(SELECT 1), 2 = ALL(SELECT 1) WHERE 1 = ALL(SELECT 1)"); assertQuery("SELECT 1.0 = ANY(SELECT 1), 2 = ANY(SELECT 1) WHERE 1 = ANY(SELECT 1)"); // subquery with supertype coercion assertQuery("SELECT CAST(1 AS decimal(3,2)) < ALL(SELECT CAST(1 AS decimal(3,1)))"); assertQuery("SELECT CAST(1 AS decimal(3,2)) < ANY(SELECT CAST(1 AS decimal(3,1)))"); assertQuery("SELECT CAST(1 AS decimal(3,2)) <= ALL(SELECT CAST(1 AS decimal(3,1)))"); assertQuery("SELECT CAST(1 AS decimal(3,2)) <= ANY(SELECT CAST(1 AS decimal(3,1)))"); assertQuery("SELECT CAST(1 AS decimal(3,2)) = ALL(SELECT CAST(1 AS decimal(3,1)))"); assertQuery("SELECT CAST(1 AS decimal(3,2)) = ANY(SELECT CAST(1 AS decimal(3,1)))", "SELECT true"); assertQuery("SELECT CAST(1 AS decimal(3,2)) <> ALL(SELECT CAST(1 AS decimal(3,1)))"); assertQuery("SELECT CAST(1 AS decimal(3,2)) <> ANY(SELECT CAST(1 AS decimal(3,1)))"); } @Test(dataProvider = "quantified_comparisons_corner_cases") public void testQuantifiedComparisonCornerCases(String query) { assertQuery(query); } @DataProvider(name = "quantified_comparisons_corner_cases") public Object[][] qualifiedComparisonsCornerCases() { //the %subquery% is wrapped in a SELECT so that H2 does not blow up on the VALUES subquery return queryTemplate("SELECT %value% %operator% %quantifier% (SELECT * FROM (%subquery%))") .replaceAll( parameter("subquery").of("SELECT 1 WHERE false", "SELECT CAST(NULL AS INTEGER)", "VALUES (1), (NULL)"), parameter("quantifier").of("ALL", "ANY"), parameter("value").of("1", "NULL"), parameter("operator").of("=", "!=", "<", ">", "<=", ">=")) .collect(toDataProvider()); } @Test public void testPreparedStatementWithSubqueries() { List<QueryTemplate.Parameter> leftValues = parameter("left").of("", "1 = ", "EXISTS", "1 IN", "1 = ANY", "1 = ALL", "2 <> ANY", "2 <> ALL", "0 < ALL", "0 < ANY", "1 <= ALL", "1 <= ANY"); queryTemplate("SELECT %left% (SELECT 1 WHERE 2 = ?)").replaceAll(leftValues).forEach(query -> { Session session = Session.builder(getSession()).addPreparedStatement("my_query", query).build(); assertQuery(session, "EXECUTE my_query USING 2", "SELECT true"); }); } @Test public void testDescribeOutput() { Session session = Session.builder(getSession()).addPreparedStatement("my_query", "SELECT * FROM nation") .build(); MaterializedResult actual = computeActual(session, "DESCRIBE OUTPUT my_query"); MaterializedResult expected = resultBuilder(session, VARCHAR, VARCHAR, VARCHAR, VARCHAR, VARCHAR, BIGINT, BOOLEAN).row("nationkey", session.getCatalog().get(), session.getSchema().get(), "nation", "bigint", 8, false) .row("name", session.getCatalog().get(), session.getSchema().get(), "nation", "varchar(25)", 0, false) .row("regionkey", session.getCatalog().get(), session.getSchema().get(), "nation", "bigint", 8, false) .row("comment", session.getCatalog().get(), session.getSchema().get(), "nation", "varchar(152)", 0, false) .build(); assertEqualsIgnoreOrder(actual, expected); } @Test public void testDescribeOutputNamedAndUnnamed() { Session session = Session.builder(getSession()) .addPreparedStatement("my_query", "SELECT 1, name, regionkey AS my_alias FROM nation").build(); MaterializedResult actual = computeActual(session, "DESCRIBE OUTPUT my_query"); MaterializedResult expected = resultBuilder(session, VARCHAR, VARCHAR, VARCHAR, VARCHAR, VARCHAR, BIGINT, BOOLEAN).row("_col0", "", "", "", "integer", 4, false) .row("name", session.getCatalog().get(), session.getSchema().get(), "nation", "varchar(25)", 0, false) .row("my_alias", session.getCatalog().get(), session.getSchema().get(), "nation", "bigint", 8, true) .build(); assertEqualsIgnoreOrder(actual, expected); } @Test public void testDescribeOutputNonSelect() { assertDescribeOutputRowCount("CREATE TABLE foo AS SELECT * FROM nation"); assertDescribeOutputRowCount("DELETE FROM orders"); assertDescribeOutputEmpty("CALL foo()"); assertDescribeOutputEmpty("SET SESSION optimize_hash_generation=false"); assertDescribeOutputEmpty("RESET SESSION optimize_hash_generation"); assertDescribeOutputEmpty("START TRANSACTION"); assertDescribeOutputEmpty("COMMIT"); assertDescribeOutputEmpty("ROLLBACK"); assertDescribeOutputEmpty("GRANT INSERT ON foo TO bar"); assertDescribeOutputEmpty("REVOKE INSERT ON foo FROM bar"); assertDescribeOutputEmpty("CREATE SCHEMA foo"); assertDescribeOutputEmpty("ALTER SCHEMA foo RENAME TO bar"); assertDescribeOutputEmpty("DROP SCHEMA foo"); assertDescribeOutputEmpty("CREATE TABLE foo (x bigint)"); assertDescribeOutputEmpty("ALTER TABLE foo ADD COLUMN y bigint"); assertDescribeOutputEmpty("ALTER TABLE foo RENAME TO bar"); assertDescribeOutputEmpty("DROP TABLE foo"); assertDescribeOutputEmpty("CREATE VIEW foo AS SELECT * FROM nation"); assertDescribeOutputEmpty("DROP VIEW foo"); assertDescribeOutputEmpty("PREPARE test FROM SELECT * FROM orders"); assertDescribeOutputEmpty("EXECUTE test"); assertDescribeOutputEmpty("DEALLOCATE PREPARE test"); } private void assertDescribeOutputRowCount(@Language("SQL") String sql) { Session session = Session.builder(getSession()).addPreparedStatement("my_query", sql).build(); MaterializedResult actual = computeActual(session, "DESCRIBE OUTPUT my_query"); MaterializedResult expected = resultBuilder(session, VARCHAR, VARCHAR, VARCHAR, VARCHAR, VARCHAR, BIGINT, BOOLEAN).row("rows", "", "", "", "bigint", 8, false).build(); assertEqualsIgnoreOrder(actual, expected); } private void assertDescribeOutputEmpty(@Language("SQL") String sql) { Session session = Session.builder(getSession()).addPreparedStatement("my_query", sql).build(); MaterializedResult actual = computeActual(session, "DESCRIBE OUTPUT my_query"); MaterializedResult expected = resultBuilder(session, VARCHAR, VARCHAR, VARCHAR, VARCHAR, VARCHAR, BIGINT, BOOLEAN).build(); assertEqualsIgnoreOrder(actual, expected); } @Test public void testDescribeOutputShowTables() { Session session = Session.builder(getSession()).addPreparedStatement("my_query", "SHOW TABLES").build(); MaterializedResult actual = computeActual(session, "DESCRIBE OUTPUT my_query"); MaterializedResult expected = resultBuilder( session, VARCHAR, VARCHAR, VARCHAR, VARCHAR, VARCHAR, BIGINT, BOOLEAN) .row("Table", session.getCatalog().get(), "information_schema", "tables", "varchar", 0, true) .build(); assertEqualsIgnoreOrder(actual, expected); } @Test public void testDescribeOutputOnAliasedColumnsAndExpressions() { Session session = Session.builder(getSession()) .addPreparedStatement("my_query", "SELECT count(*) AS this_is_aliased, 1 + 2 FROM nation").build(); MaterializedResult actual = computeActual(session, "DESCRIBE OUTPUT my_query"); MaterializedResult expected = resultBuilder(session, VARCHAR, VARCHAR, VARCHAR, VARCHAR, VARCHAR, BIGINT, BOOLEAN).row("this_is_aliased", "", "", "", "bigint", 8, true) .row("_col1", "", "", "", "integer", 4, false).build(); assertEqualsIgnoreOrder(actual, expected); } @Test public void testDescribeOutputNoSuchQuery() { assertQueryFails("DESCRIBE OUTPUT my_query", "Prepared statement not found: my_query"); } @Test public void testSubqueriesWithDisjunction() { List<QueryTemplate.Parameter> projections = parameter("projection").of("count(*)", "*", "%condition%"); List<QueryTemplate.Parameter> conditions = parameter("condition").of("nationkey IN (SELECT 1) OR TRUE", "EXISTS(SELECT 1) OR TRUE"); queryTemplate("SELECT %projection% FROM nation WHERE %condition%").replaceAll(projections, conditions) .forEach(this::assertQuery); queryTemplate("SELECT %projection% FROM nation WHERE (%condition%) AND nationkey <3") .replaceAll(projections, conditions).forEach(this::assertQuery); assertQuery( "SELECT count(*) FROM nation WHERE (SELECT true FROM (SELECT 1) t(a) WHERE a = nationkey) OR TRUE", "SELECT 25"); assertQuery("SELECT (SELECT true FROM (SELECT 1) t(a) WHERE a = nationkey) " + "FROM nation " + "WHERE (SELECT true FROM (SELECT 1) t(a) WHERE a = nationkey) OR TRUE " + "ORDER BY nationkey " + "LIMIT 2", "VALUES true, null"); } @Test public void testAssignUniqueId() { String unionLineitem25Times = IntStream.range(0, 25).mapToObj(i -> "SELECT * FROM lineitem") .collect(joining(" UNION ALL ")); assertQuery("SELECT count(*) FROM (" + "SELECT * FROM (" + " SELECT (SELECT count(*) WHERE c = 1) " + " FROM (SELECT CASE orderkey WHEN 1 THEN orderkey ELSE 1 END " + " FROM (" + unionLineitem25Times + ")) o(c)) result(a) " + "WHERE a = 1)", "VALUES 1504375"); } @Test public void testLateralJoin() { assertQuery("SELECT name FROM nation, LATERAL (SELECT 1 WHERE false)", "SELECT 1 WHERE false"); assertQuery("SELECT name FROM nation, LATERAL (SELECT 1)", "SELECT name FROM nation"); assertQuery("SELECT name FROM nation, LATERAL (SELECT 1 WHERE name = 'ola')", "SELECT 1 WHERE false"); assertQuery( "SELECT nationkey, a FROM nation, LATERAL (SELECT max(region.name) FROM region WHERE region.regionkey <= nation.regionkey) t(a) ORDER BY nationkey LIMIT 1", "VALUES (0, 'AFRICA')"); assertQuery( "SELECT nationkey, a FROM nation, LATERAL (SELECT region.name || '_' FROM region WHERE region.regionkey = nation.regionkey) t(a) ORDER BY nationkey LIMIT 1", "VALUES (0, 'AFRICA_')"); assertQuery( "SELECT nationkey, a, b, name FROM nation, LATERAL (SELECT nationkey + 2 AS a), LATERAL (SELECT a * -1 AS b) ORDER BY b LIMIT 1", "VALUES (24, 26, -26, 'UNITED STATES')"); assertQuery("SELECT * FROM region r, LATERAL (SELECT * FROM nation) n WHERE n.regionkey = r.regionkey", "SELECT * FROM region, nation WHERE nation.regionkey = region.regionkey"); assertQuery( "SELECT * FROM region, LATERAL (SELECT * FROM nation WHERE nation.regionkey = region.regionkey)", "SELECT * FROM region, nation WHERE nation.regionkey = region.regionkey"); assertQuery("SELECT quantity, extendedprice, avg_price, low, high " + "FROM lineitem, " + "LATERAL (SELECT extendedprice / quantity AS avg_price) average_price, " + "LATERAL (SELECT avg_price * 0.9 AS low) lower_bound, " + "LATERAL (SELECT avg_price * 1.1 AS high) upper_bound " + "ORDER BY extendedprice, quantity LIMIT 1", "VALUES (1.0, 904.0, 904.0, 813.6, 994.400)"); assertQuery("SELECT y FROM (VALUES array[2, 3]) a(x) CROSS JOIN LATERAL(SELECT x[1]) b(y)", "SELECT 2"); assertQuery("SELECT * FROM (VALUES 2) a(x) CROSS JOIN LATERAL(SELECT x + 1)", "SELECT 2, 3"); assertQuery("SELECT * FROM (VALUES 2) a(x) CROSS JOIN LATERAL(SELECT x)", "SELECT 2, 2"); assertQuery("SELECT * FROM (VALUES 2) a(x) CROSS JOIN LATERAL(SELECT x, x + 1)", "SELECT 2, 2, 3"); assertQueryFails("SELECT * FROM (VALUES array[2, 2]) a(x) LEFT OUTER JOIN LATERAL(VALUES x) ON true", "line .*: LATERAL on other than the right side of CROSS JOIN is not supported"); assertQueryFails("SELECT * FROM (VALUES array[2, 2]) a(x) RIGHT OUTER JOIN LATERAL(VALUES x) ON true", "line .*: LATERAL on other than the right side of CROSS JOIN is not supported"); assertQueryFails("SELECT * FROM (VALUES array[2, 2]) a(x) FULL OUTER JOIN LATERAL(VALUES x) ON true", "line .*: LATERAL on other than the right side of CROSS JOIN is not supported"); } @Test public void testPruningCountAggregationOverScalar() { assertQuery("SELECT COUNT(*) FROM (SELECT SUM(orderkey) FROM orders)"); assertQuery("SELECT COUNT(*) FROM (SELECT SUM(orderkey) FROM orders GROUP BY custkey)", "VALUES 1000"); assertQuery("SELECT count(*) FROM (VALUES 2) t(a) GROUP BY a", "VALUES 1"); assertQuery("SELECT a, count(*) FROM (VALUES 2) t(a) GROUP BY a", "VALUES (2, 1)"); assertQuery("SELECT count(*) FROM (VALUES 2) t(a) GROUP BY a+1", "VALUES 1"); } @Test public void testDefaultDecimalLiteralSwitch() { Session decimalLiteral = Session.builder(getSession()) .setSystemProperty(SystemSessionProperties.PARSE_DECIMAL_LITERALS_AS_DOUBLE, "false").build(); MaterializedResult decimalColumnResult = computeActual(decimalLiteral, "SELECT 1.0"); assertEquals(decimalColumnResult.getRowCount(), 1); assertEquals(decimalColumnResult.getTypes().get(0), createDecimalType(2, 1)); assertEquals(decimalColumnResult.getMaterializedRows().get(0).getField(0), new BigDecimal("1.0")); Session doubleLiteral = Session.builder(getSession()) .setSystemProperty(SystemSessionProperties.PARSE_DECIMAL_LITERALS_AS_DOUBLE, "true").build(); MaterializedResult doubleColumnResult = computeActual(doubleLiteral, "SELECT 1.0"); assertEquals(doubleColumnResult.getRowCount(), 1); assertEquals(doubleColumnResult.getTypes().get(0), DOUBLE); assertEquals(doubleColumnResult.getMaterializedRows().get(0).getField(0), 1.0); } @Test public void testInnerJoinWithEmptyBuildSide() { MaterializedResult actual = computeActual(noJoinReordering(), "WITH small_part AS (SELECT * FROM part WHERE name = 'a') " + "SELECT lineitem.orderkey FROM lineitem INNER JOIN small_part ON lineitem.partkey = small_part.partkey"); assertEquals(actual.getRowCount(), 0); } @Test public void testRightJoinWithEmptyBuildSide() { assertQuery(noJoinReordering(), "WITH small_part AS (SELECT * FROM part WHERE name = 'a') SELECT lineitem.orderkey FROM lineitem RIGHT JOIN small_part ON lineitem.partkey = small_part.partkey"); } @Test public void testLeftJoinWithEmptyBuildSide() { assertQuery(noJoinReordering(), "WITH small_part AS (SELECT * FROM part WHERE name = 'a') SELECT lineitem.orderkey FROM lineitem LEFT JOIN small_part ON lineitem.partkey = small_part.partkey"); } @Test public void testFullJoinWithEmptyBuildSide() { assertQuery(noJoinReordering(), "WITH small_part AS (SELECT * FROM part WHERE name = 'a') SELECT lineitem.orderkey FROM lineitem FULL OUTER JOIN small_part ON lineitem.partkey = small_part.partkey", // H2 doesn't support FULL OUTER "WITH small_part AS (SELECT * FROM part WHERE name = 'a') SELECT lineitem.orderkey FROM lineitem LEFT JOIN small_part ON lineitem.partkey = small_part.partkey"); } @Test public void testInnerJoinWithEmptyProbeSide() { assertQuery(noJoinReordering(), "WITH small_part AS (SELECT * FROM part WHERE name = 'a') SELECT lineitem.orderkey FROM small_part INNER JOIN lineitem ON small_part.partkey = lineitem.partkey"); } @Test public void testRightJoinWithEmptyProbeSide() { assertQuery(noJoinReordering(), "WITH small_part AS (SELECT * FROM part WHERE name = 'a') SELECT lineitem.orderkey FROM small_part RIGHT JOIN lineitem ON small_part.partkey = lineitem.partkey"); } protected Session noJoinReordering() { return Session.builder(getSession()) .setSystemProperty(JOIN_REORDERING_STRATEGY, JoinReorderingStrategy.NONE.name()) .setSystemProperty(JOIN_DISTRIBUTION_TYPE, JoinDistributionType.PARTITIONED.name()).build(); } }