Example usage for java.sql ResultSetMetaData isAutoIncrement

List of usage examples for java.sql ResultSetMetaData isAutoIncrement

Introduction

In this page you can find the example usage for java.sql ResultSetMetaData isAutoIncrement.

Prototype

boolean isAutoIncrement(int column) throws SQLException;

Source Link

Document

Indicates whether the designated column is automatically numbered.

Usage

From source file:com.github.woonsan.jdbc.jcr.impl.JcrJdbcResultSetTest.java

@Test
public void testGetMetaData() throws Exception {
    Statement statement = getConnection().createStatement();
    ResultSet rs = statement.executeQuery(SQL_EMPS);
    ResultSetMetaData metaData = rs.getMetaData();

    // When 'sql' query used, jcr adds 'jcr:path' and 'jcr:score' columns automatically.
    assertEquals(5 + Constants.META_COLUMNS.size(), metaData.getColumnCount());

    assertEquals("empno", metaData.getColumnName(1));
    assertEquals("ename", metaData.getColumnName(2));
    assertEquals("salary", metaData.getColumnName(3));
    assertEquals("hiredate", metaData.getColumnName(4));

    assertEquals("empno", metaData.getColumnLabel(1));
    assertEquals("ename", metaData.getColumnLabel(2));
    assertEquals("salary", metaData.getColumnLabel(3));
    assertEquals("hiredate", metaData.getColumnLabel(4));

    for (int i = 1; i <= metaData.getColumnCount(); i++) {
        assertFalse(metaData.isAutoIncrement(i));
        assertTrue(metaData.isCaseSensitive(i));
        assertTrue(metaData.isSearchable(i));
        assertTrue(metaData.isReadOnly(i));
        assertFalse(metaData.isWritable(i));
        assertFalse(metaData.isDefinitelyWritable(i));
    }/*  w w w .  j  ava2  s . c o m*/

    rs.close();
    statement.close();
}

From source file:org.sakaiproject.util.foorm.Foorm.java

/**
 * //from ww w. j  a va2 s . c om
 * @param table
 * @param formDefinition
 * @param vendor
 * @param md
 * @return
 */
public String[] formAdjustTable(String table, String[] formDefinition, String vendor, ResultSetMetaData md) {
    ArrayList<String> rv = new ArrayList<String>();

    for (String formField : formDefinition) {
        Properties info = parseFormString(formField);
        String field = info.getProperty("field", null);
        String type = info.getProperty("type", null);
        if ("header".equals(type))
            continue;
        String maxs = adjustMax(info.getProperty("maxlength", null));
        int maxlength = 0;
        if (maxs != null)
            maxlength = (new Integer(maxs)).intValue();
        if (maxlength < 1)
            maxlength = 80;

        String sqlType = null;
        boolean autoIncrement = false;
        int sqlLength = -1;
        boolean isNullable = false;
        try {
            for (int i = 1; i <= md.getColumnCount(); i++) {
                if (field.equalsIgnoreCase(md.getColumnLabel(i))) {
                    sqlLength = md.getColumnDisplaySize(i);
                    autoIncrement = md.isAutoIncrement(i);
                    sqlType = getSuperType(md.getColumnClassName(i));
                    isNullable = (md.isNullable(i) == ResultSetMetaData.columnNullable);
                    break;
                }
            }
        } catch (Exception e) {
            // ignore
        }

        logger.fine(field + " (" + maxlength + ") type=" + type);
        logger.fine(field + " (" + sqlLength + ") auto=" + autoIncrement + " type=" + sqlType + " null="
                + isNullable);

        //  If the field is not there...
        if (sqlType == null) {
            if ("oracle".equals(vendor)) {
                rv.add("ALTER TABLE " + table + " ADD ( " + formSql(formField, vendor) + " )");
            } else if ("mysql".equals(vendor)) {
                rv.add("ALTER TABLE " + table + " ADD " + formSql(formField, vendor));
            } else {
                rv.add("ALTER TABLE " + table + " ADD COLUMN " + formSql(formField, vendor));
            }
            continue;
        }

        String ff = formSql(formField, vendor);

        // BLTI-220, BLTI-238 - Required will be enforced in software - not the DB
        boolean shouldAlter = false;
        if ("key".equals(type)) {
            if (!NUMBER_TYPE.equals(sqlType))
                logger.severe(field + " must be Integer and Auto Increment");
        } else if ("autodate".equals(type)) {
        } else if ("url".equals(type) || "text".equals(type) || "textarea".equals(type)) {
            if ("oracle.sql.CLOB".equals(sqlType) || "oracle.jdbc.OracleClob".equals(sqlType))
                continue; // CLOBS large enough :)
            if (!STRING_TYPE.equals(sqlType)) {
                logger.severe(field + " must be String field");
                continue;
            }
            if (sqlLength < maxlength)
                shouldAlter = true;
            if (!isNullable)
                shouldAlter = true; // BLTI-220, BLTI-238
        } else if ("radio".equals(type) || "checkbox".equals(type) || "integer".equals(type)) {
            if (NUMBER_TYPE.equals(sqlType))
                continue;
            logger.severe(field + " must be Integer field");
        }

        if (shouldAlter) {
            if ("oracle".equals(vendor)) {
                rv.add("ALTER TABLE " + table + " MODIFY ( " + ff + " )");
            } else if ("mysql".equals(vendor)) {
                rv.add("ALTER TABLE " + table + " MODIFY " + ff);
            } else {
                rv.add("ALTER TABLE " + table + " ALTER COLUMN " + ff);
            }
        }
    }

    return rv.toArray(new String[rv.size()]);
}

From source file:uk.ac.ed.epcc.webapp.model.data.Repository.java

/**
 * Use a ResultSet to populate the MetaData information
 * //from   ww  w . j av a 2 s.co m
 * @param rs
 * @throws SQLException
 * @throws ConsistencyError
 */
private void setMetaData(ResultSet rs) throws SQLException, ConsistencyError {
    assert (fields == null);
    fields = new LinkedHashMap<String, FieldInfo>();
    ResultSetMetaData meta_data = rs.getMetaData();
    int md_columns = meta_data.getColumnCount();
    boolean seen_key = false;
    // Logger log = ctx.getLogger(getClass());
    for (int i = 1; i <= md_columns; i++) {
        String returned_name = meta_data.getTableName(i);
        if (returned_name.length() > 0 && !returned_name.equalsIgnoreCase(table_name)) {
            throw new ConsistencyError("Table names do not match " + getTag() + "!=" + returned_name);
        }
        // if we don't know for sure assume no nulls
        boolean can_null = (meta_data.isNullable(i) == ResultSetMetaData.columnNullable);
        String name = meta_data.getColumnName(i);
        if (!seen_key && meta_data.isAutoIncrement(i)) {
            seen_key = true;
            id_name = name;
        } else {
            // log.debug("Metadata "+name+" "+meta_data.getColumnType(i));
            int columnType = meta_data.getColumnType(i);
            int columnDisplaySize = meta_data.getColumnDisplaySize(i);
            fields.put(dbFieldtoTag(name), new FieldInfo(name, columnType, columnDisplaySize, can_null));
        }
    }
    if (use_id && !seen_key) {
        // Note we need an up-to-date mysql driver for the isAutoIncrement
        // method to work properly. otherwise default to first col and hope
        id_name = meta_data.getColumnName(1);
        fields.remove(dbFieldtoTag(id_name));
    }
    // cache the qualified form as this is used frequently
    StringBuilder sb = new StringBuilder();
    sb.append(alias_name);
    sb.append(".");
    sb.append(id_name);
    qualified_id_name = sb.toString();
}

From source file:lasige.steeldb.jdbc.BFTRowSet.java

/**
 * Initializes the given <code>RowSetMetaData</code> object with the values
 * in the given <code>ResultSetMetaData</code> object.
 *
 * @param md the <code>RowSetMetaData</code> object for this
 *           <code>CachedRowSetImpl</code> object, which will be set with
 *           values from rsmd//  w w w. j  a v a  2s  .  c  o m
 * @param rsmd the <code>ResultSetMetaData</code> object from which new
 *             values for md will be read
 * @throws SQLException if an error occurs
 */
private void initMetaData(RowSetMetaDataImpl md, ResultSetMetaData rsmd) throws SQLException {
    int numCols = rsmd.getColumnCount();

    md.setColumnCount(numCols);
    for (int col = 1; col <= numCols; col++) {
        md.setAutoIncrement(col, rsmd.isAutoIncrement(col));
        if (rsmd.isAutoIncrement(col))
            updateOnInsert = true;
        md.setCaseSensitive(col, false);
        md.setCurrency(col, false);
        md.setNullable(col, rsmd.isNullable(col));
        md.setSigned(col, rsmd.isSigned(col));
        md.setSearchable(col, false);
        /*
         * The PostgreSQL drivers sometimes return negative columnDisplaySize,
         * which causes an exception to be thrown.  Check for it.
         */
        int size = rsmd.getColumnDisplaySize(col);
        if (size < 0) {
            size = 0;
        }
        md.setColumnDisplaySize(col, 0);

        if (StringUtils.isNotBlank(rsmd.getColumnLabel(col))) {
            md.setColumnLabel(col, rsmd.getColumnLabel(col).toLowerCase());
        }

        if (StringUtils.isNotBlank(rsmd.getColumnName(col))) {
            md.setColumnName(col, rsmd.getColumnName(col).toLowerCase());
        }

        md.setSchemaName(col, null);
        /*
         * Drivers return some strange values for precision, for non-numeric data, including reports of
         * non-integer values; maybe we should check type, & set to 0 for non-numeric types.
         */
        int precision = rsmd.getPrecision(col);
        if (precision < 0) {
            precision = 0;
        }
        md.setPrecision(col, 0);

        /*
         * It seems, from a bug report, that a driver can sometimes return a negative
         * value for scale.  javax.sql.rowset.RowSetMetaDataImpl will throw an exception
         * if we attempt to set a negative value.  As such, we'll check for this case.
         */
        int scale = rsmd.getScale(col);
        if (scale < 0) {
            scale = 0;
        }
        md.setScale(col, 0);
        md.setTableName(col, null);
        md.setCatalogName(col, null);
        md.setColumnType(col, -1);
        md.setColumnTypeName(col, null);
    }

    if (conn != null) {
        // JDBC 4.0 mandates as does the Java EE spec that all DataBaseMetaData methods
        // must be implemented, therefore, the previous fix for 5055528 is being backed out
        dbmslocatorsUpdateCopy = conn.getMetaData().locatorsUpdateCopy();
    }
}

From source file:org.apache.hadoop.hive.jdbc.TestJdbcDriver.java

public void testResultSetMetaData() throws SQLException {
    Statement stmt = con.createStatement();

    ResultSet res = stmt.executeQuery("select c1, c2, c3, c4, c5 as a, c6, c7, c8, c9, c10, c11, c12, "
            + "c1*2, sentences(null, null, null) as b, c17, c18, c20 from " + dataTypeTableName + " limit 1");
    ResultSetMetaData meta = res.getMetaData();

    ResultSet colRS = con.getMetaData().getColumns(null, null, dataTypeTableName.toLowerCase(), null);

    assertEquals(17, meta.getColumnCount());

    assertTrue(colRS.next());/*w w w  .  j av  a2  s .com*/

    assertEquals("c1", meta.getColumnName(1));
    assertEquals(Types.INTEGER, meta.getColumnType(1));
    assertEquals("int", meta.getColumnTypeName(1));
    assertEquals(11, meta.getColumnDisplaySize(1));
    assertEquals(10, meta.getPrecision(1));
    assertEquals(0, meta.getScale(1));

    assertEquals("c1", colRS.getString("COLUMN_NAME"));
    assertEquals(Types.INTEGER, colRS.getInt("DATA_TYPE"));
    assertEquals("int", colRS.getString("TYPE_NAME").toLowerCase());
    assertEquals(meta.getPrecision(1), colRS.getInt("COLUMN_SIZE"));
    assertEquals(meta.getScale(1), colRS.getInt("DECIMAL_DIGITS"));

    assertTrue(colRS.next());

    assertEquals("c2", meta.getColumnName(2));
    assertEquals("boolean", meta.getColumnTypeName(2));
    assertEquals(Types.BOOLEAN, meta.getColumnType(2));
    assertEquals(1, meta.getColumnDisplaySize(2));
    assertEquals(1, meta.getPrecision(2));
    assertEquals(0, meta.getScale(2));

    assertEquals("c2", colRS.getString("COLUMN_NAME"));
    assertEquals(Types.BOOLEAN, colRS.getInt("DATA_TYPE"));
    assertEquals("boolean", colRS.getString("TYPE_NAME").toLowerCase());
    assertEquals(meta.getPrecision(2), colRS.getInt("COLUMN_SIZE"));
    assertEquals(meta.getScale(2), colRS.getInt("DECIMAL_DIGITS"));

    assertTrue(colRS.next());

    assertEquals("c3", meta.getColumnName(3));
    assertEquals(Types.DOUBLE, meta.getColumnType(3));
    assertEquals("double", meta.getColumnTypeName(3));
    assertEquals(25, meta.getColumnDisplaySize(3));
    assertEquals(15, meta.getPrecision(3));
    assertEquals(15, meta.getScale(3));

    assertEquals("c3", colRS.getString("COLUMN_NAME"));
    assertEquals(Types.DOUBLE, colRS.getInt("DATA_TYPE"));
    assertEquals("double", colRS.getString("TYPE_NAME").toLowerCase());
    assertEquals(meta.getPrecision(3), colRS.getInt("COLUMN_SIZE"));
    assertEquals(meta.getScale(3), colRS.getInt("DECIMAL_DIGITS"));

    assertTrue(colRS.next());

    assertEquals("c4", meta.getColumnName(4));
    assertEquals(Types.VARCHAR, meta.getColumnType(4));
    assertEquals("string", meta.getColumnTypeName(4));
    assertEquals(Integer.MAX_VALUE, meta.getColumnDisplaySize(4));
    assertEquals(Integer.MAX_VALUE, meta.getPrecision(4));
    assertEquals(0, meta.getScale(4));

    assertEquals("c4", colRS.getString("COLUMN_NAME"));
    assertEquals(Types.VARCHAR, colRS.getInt("DATA_TYPE"));
    assertEquals("string", colRS.getString("TYPE_NAME").toLowerCase());
    assertEquals(meta.getPrecision(4), colRS.getInt("COLUMN_SIZE"));
    assertEquals(meta.getScale(4), colRS.getInt("DECIMAL_DIGITS"));

    assertTrue(colRS.next());

    assertEquals("a", meta.getColumnName(5));
    assertEquals(Types.VARCHAR, meta.getColumnType(5));
    assertEquals("string", meta.getColumnTypeName(5));
    assertEquals(Integer.MAX_VALUE, meta.getColumnDisplaySize(5));
    assertEquals(Integer.MAX_VALUE, meta.getPrecision(5));
    assertEquals(0, meta.getScale(5));

    assertEquals("c5", colRS.getString("COLUMN_NAME"));
    assertEquals(Types.VARCHAR, colRS.getInt("DATA_TYPE"));
    assertEquals("array<int>", colRS.getString("TYPE_NAME").toLowerCase());
    assertEquals(meta.getPrecision(5), colRS.getInt("COLUMN_SIZE"));
    assertEquals(meta.getScale(5), colRS.getInt("DECIMAL_DIGITS"));

    assertTrue(colRS.next());

    assertEquals("c6", meta.getColumnName(6));
    assertEquals(Types.VARCHAR, meta.getColumnType(6));
    assertEquals("string", meta.getColumnTypeName(6));
    assertEquals(Integer.MAX_VALUE, meta.getColumnDisplaySize(6));
    assertEquals(Integer.MAX_VALUE, meta.getPrecision(6));
    assertEquals(0, meta.getScale(6));

    assertEquals("c6", colRS.getString("COLUMN_NAME"));
    assertEquals(Types.VARCHAR, colRS.getInt("DATA_TYPE"));
    assertEquals("map<int,string>", colRS.getString("TYPE_NAME").toLowerCase());
    assertEquals(meta.getPrecision(6), colRS.getInt("COLUMN_SIZE"));
    assertEquals(meta.getScale(6), colRS.getInt("DECIMAL_DIGITS"));

    assertTrue(colRS.next());

    assertEquals("c7", meta.getColumnName(7));
    assertEquals(Types.VARCHAR, meta.getColumnType(7));
    assertEquals("string", meta.getColumnTypeName(7));
    assertEquals(Integer.MAX_VALUE, meta.getColumnDisplaySize(7));
    assertEquals(Integer.MAX_VALUE, meta.getPrecision(7));
    assertEquals(0, meta.getScale(7));

    assertEquals("c7", colRS.getString("COLUMN_NAME"));
    assertEquals(Types.VARCHAR, colRS.getInt("DATA_TYPE"));
    assertEquals("map<string,string>", colRS.getString("TYPE_NAME").toLowerCase());
    assertEquals(meta.getPrecision(7), colRS.getInt("COLUMN_SIZE"));
    assertEquals(meta.getScale(7), colRS.getInt("DECIMAL_DIGITS"));

    assertTrue(colRS.next());

    assertEquals("c8", meta.getColumnName(8));
    assertEquals(Types.VARCHAR, meta.getColumnType(8));
    assertEquals("string", meta.getColumnTypeName(8));
    assertEquals(Integer.MAX_VALUE, meta.getColumnDisplaySize(8));
    assertEquals(Integer.MAX_VALUE, meta.getPrecision(8));
    assertEquals(0, meta.getScale(8));

    assertEquals("c8", colRS.getString("COLUMN_NAME"));
    assertEquals(Types.VARCHAR, colRS.getInt("DATA_TYPE"));
    assertEquals("struct<r:string,s:int,t:double>", colRS.getString("TYPE_NAME").toLowerCase());
    assertEquals(meta.getPrecision(8), colRS.getInt("COLUMN_SIZE"));
    assertEquals(meta.getScale(8), colRS.getInt("DECIMAL_DIGITS"));

    assertTrue(colRS.next());

    assertEquals("c9", meta.getColumnName(9));
    assertEquals(Types.TINYINT, meta.getColumnType(9));
    assertEquals("tinyint", meta.getColumnTypeName(9));
    assertEquals(4, meta.getColumnDisplaySize(9));
    assertEquals(3, meta.getPrecision(9));
    assertEquals(0, meta.getScale(9));

    assertEquals("c9", colRS.getString("COLUMN_NAME"));
    assertEquals(Types.TINYINT, colRS.getInt("DATA_TYPE"));
    assertEquals("tinyint", colRS.getString("TYPE_NAME").toLowerCase());
    assertEquals(meta.getPrecision(9), colRS.getInt("COLUMN_SIZE"));
    assertEquals(meta.getScale(9), colRS.getInt("DECIMAL_DIGITS"));

    assertTrue(colRS.next());

    assertEquals("c10", meta.getColumnName(10));
    assertEquals(Types.SMALLINT, meta.getColumnType(10));
    assertEquals("smallint", meta.getColumnTypeName(10));
    assertEquals(6, meta.getColumnDisplaySize(10));
    assertEquals(5, meta.getPrecision(10));
    assertEquals(0, meta.getScale(10));

    assertEquals("c10", colRS.getString("COLUMN_NAME"));
    assertEquals(Types.SMALLINT, colRS.getInt("DATA_TYPE"));
    assertEquals("smallint", colRS.getString("TYPE_NAME").toLowerCase());
    assertEquals(meta.getPrecision(10), colRS.getInt("COLUMN_SIZE"));
    assertEquals(meta.getScale(10), colRS.getInt("DECIMAL_DIGITS"));

    assertTrue(colRS.next());

    assertEquals("c11", meta.getColumnName(11));
    assertEquals(Types.FLOAT, meta.getColumnType(11));
    assertEquals("float", meta.getColumnTypeName(11));
    assertEquals(24, meta.getColumnDisplaySize(11));
    assertEquals(7, meta.getPrecision(11));
    assertEquals(7, meta.getScale(11));

    assertEquals("c11", colRS.getString("COLUMN_NAME"));
    assertEquals(Types.FLOAT, colRS.getInt("DATA_TYPE"));
    assertEquals("float", colRS.getString("TYPE_NAME").toLowerCase());
    assertEquals(meta.getPrecision(11), colRS.getInt("COLUMN_SIZE"));
    assertEquals(meta.getScale(11), colRS.getInt("DECIMAL_DIGITS"));

    assertTrue(colRS.next());

    assertEquals("c12", meta.getColumnName(12));
    assertEquals(Types.BIGINT, meta.getColumnType(12));
    assertEquals("bigint", meta.getColumnTypeName(12));
    assertEquals(20, meta.getColumnDisplaySize(12));
    assertEquals(19, meta.getPrecision(12));
    assertEquals(0, meta.getScale(12));

    assertEquals("c12", colRS.getString("COLUMN_NAME"));
    assertEquals(Types.BIGINT, colRS.getInt("DATA_TYPE"));
    assertEquals("bigint", colRS.getString("TYPE_NAME").toLowerCase());
    assertEquals(meta.getPrecision(12), colRS.getInt("COLUMN_SIZE"));
    assertEquals(meta.getScale(12), colRS.getInt("DECIMAL_DIGITS"));

    assertEquals("_c12", meta.getColumnName(13));
    assertEquals(Types.INTEGER, meta.getColumnType(13));
    assertEquals("int", meta.getColumnTypeName(13));
    assertEquals(11, meta.getColumnDisplaySize(13));
    assertEquals(10, meta.getPrecision(13));
    assertEquals(0, meta.getScale(13));

    assertEquals("b", meta.getColumnName(14));
    assertEquals(Types.VARCHAR, meta.getColumnType(14));
    assertEquals("string", meta.getColumnTypeName(14));
    assertEquals(Integer.MAX_VALUE, meta.getColumnDisplaySize(14));
    assertEquals(Integer.MAX_VALUE, meta.getPrecision(14));
    assertEquals(0, meta.getScale(14));

    assertEquals("c17", meta.getColumnName(15));
    assertEquals(Types.TIMESTAMP, meta.getColumnType(15));
    assertEquals("timestamp", meta.getColumnTypeName(15));
    assertEquals(29, meta.getColumnDisplaySize(15));
    assertEquals(29, meta.getPrecision(15));
    assertEquals(9, meta.getScale(15));

    assertEquals("c18", meta.getColumnName(16));
    assertEquals(Types.DECIMAL, meta.getColumnType(16));
    assertEquals("decimal", meta.getColumnTypeName(16));
    assertEquals(Integer.MAX_VALUE, meta.getColumnDisplaySize(16));
    assertEquals(Integer.MAX_VALUE, meta.getPrecision(16));
    assertEquals(Integer.MAX_VALUE, meta.getScale(16));

    assertEquals("c20", meta.getColumnName(17));
    assertEquals(Types.DATE, meta.getColumnType(17));
    assertEquals("date", meta.getColumnTypeName(17));
    assertEquals(10, meta.getColumnDisplaySize(17));
    assertEquals(10, meta.getPrecision(17));
    assertEquals(0, meta.getScale(17));

    for (int i = 1; i <= meta.getColumnCount(); i++) {
        assertFalse(meta.isAutoIncrement(i));
        assertFalse(meta.isCurrency(i));
        assertEquals(ResultSetMetaData.columnNullable, meta.isNullable(i));
    }
}

From source file:org.apache.hive.jdbc.TestJdbcDriver2.java

@Test
public void testResultSetMetaData() throws SQLException {
    Statement stmt = con.createStatement();

    ResultSet res = stmt.executeQuery("select c1, c2, c3, c4, c5 as a, c6, c7, c8, c9, c10, c11, c12, "
            + "c1*2, sentences(null, null, null) as b, c17, c18, c20, c21, c22, c23 from " + dataTypeTableName
            + " limit 1");
    ResultSetMetaData meta = res.getMetaData();

    ResultSet colRS = con.getMetaData().getColumns(null, null, dataTypeTableName.toLowerCase(), null);

    assertEquals(20, meta.getColumnCount());

    assertTrue(colRS.next());// w ww.java 2s .c  om

    assertEquals("c1", meta.getColumnName(1));
    assertEquals(Types.INTEGER, meta.getColumnType(1));
    assertEquals("int", meta.getColumnTypeName(1));
    assertEquals(11, meta.getColumnDisplaySize(1));
    assertEquals(10, meta.getPrecision(1));
    assertEquals(0, meta.getScale(1));

    assertEquals("c1", colRS.getString("COLUMN_NAME"));
    assertEquals(Types.INTEGER, colRS.getInt("DATA_TYPE"));
    assertEquals("int", colRS.getString("TYPE_NAME").toLowerCase());
    assertEquals(meta.getPrecision(1), colRS.getInt("COLUMN_SIZE"));
    assertEquals(meta.getScale(1), colRS.getInt("DECIMAL_DIGITS"));

    assertTrue(colRS.next());

    assertEquals("c2", meta.getColumnName(2));
    assertEquals("boolean", meta.getColumnTypeName(2));
    assertEquals(Types.BOOLEAN, meta.getColumnType(2));
    assertEquals(1, meta.getColumnDisplaySize(2));
    assertEquals(1, meta.getPrecision(2));
    assertEquals(0, meta.getScale(2));

    assertEquals("c2", colRS.getString("COLUMN_NAME"));
    assertEquals(Types.BOOLEAN, colRS.getInt("DATA_TYPE"));
    assertEquals("boolean", colRS.getString("TYPE_NAME").toLowerCase());
    assertEquals(meta.getScale(2), colRS.getInt("DECIMAL_DIGITS"));

    assertTrue(colRS.next());

    assertEquals("c3", meta.getColumnName(3));
    assertEquals(Types.DOUBLE, meta.getColumnType(3));
    assertEquals("double", meta.getColumnTypeName(3));
    assertEquals(25, meta.getColumnDisplaySize(3));
    assertEquals(15, meta.getPrecision(3));
    assertEquals(15, meta.getScale(3));

    assertEquals("c3", colRS.getString("COLUMN_NAME"));
    assertEquals(Types.DOUBLE, colRS.getInt("DATA_TYPE"));
    assertEquals("double", colRS.getString("TYPE_NAME").toLowerCase());
    assertEquals(meta.getPrecision(3), colRS.getInt("COLUMN_SIZE"));
    assertEquals(meta.getScale(3), colRS.getInt("DECIMAL_DIGITS"));

    assertTrue(colRS.next());

    assertEquals("c4", meta.getColumnName(4));
    assertEquals(Types.VARCHAR, meta.getColumnType(4));
    assertEquals("string", meta.getColumnTypeName(4));
    assertEquals(Integer.MAX_VALUE, meta.getColumnDisplaySize(4));
    assertEquals(Integer.MAX_VALUE, meta.getPrecision(4));
    assertEquals(0, meta.getScale(4));

    assertEquals("c4", colRS.getString("COLUMN_NAME"));
    assertEquals(Types.VARCHAR, colRS.getInt("DATA_TYPE"));
    assertEquals("string", colRS.getString("TYPE_NAME").toLowerCase());
    assertEquals(meta.getPrecision(4), colRS.getInt("COLUMN_SIZE"));
    assertEquals(meta.getScale(4), colRS.getInt("DECIMAL_DIGITS"));

    assertTrue(colRS.next());

    assertEquals("a", meta.getColumnName(5));
    assertEquals(Types.ARRAY, meta.getColumnType(5));
    assertEquals("array", meta.getColumnTypeName(5));
    assertEquals(Integer.MAX_VALUE, meta.getColumnDisplaySize(5));
    assertEquals(Integer.MAX_VALUE, meta.getPrecision(5));
    assertEquals(0, meta.getScale(5));

    assertEquals("c5", colRS.getString("COLUMN_NAME"));
    assertEquals(Types.ARRAY, colRS.getInt("DATA_TYPE"));
    assertEquals("array<int>", colRS.getString("TYPE_NAME").toLowerCase());

    assertTrue(colRS.next());

    assertEquals("c6", meta.getColumnName(6));
    assertEquals(Types.JAVA_OBJECT, meta.getColumnType(6));
    assertEquals("map", meta.getColumnTypeName(6));
    assertEquals(Integer.MAX_VALUE, meta.getColumnDisplaySize(6));
    assertEquals(Integer.MAX_VALUE, meta.getPrecision(6));
    assertEquals(0, meta.getScale(6));

    assertEquals("c6", colRS.getString("COLUMN_NAME"));
    assertEquals(Types.JAVA_OBJECT, colRS.getInt("DATA_TYPE"));
    assertEquals("map<int,string>", colRS.getString("TYPE_NAME").toLowerCase());

    assertTrue(colRS.next());

    assertEquals("c7", meta.getColumnName(7));
    assertEquals(Types.JAVA_OBJECT, meta.getColumnType(7));
    assertEquals("map", meta.getColumnTypeName(7));
    assertEquals(Integer.MAX_VALUE, meta.getColumnDisplaySize(7));
    assertEquals(Integer.MAX_VALUE, meta.getPrecision(7));
    assertEquals(0, meta.getScale(7));

    assertEquals("c7", colRS.getString("COLUMN_NAME"));
    assertEquals(Types.JAVA_OBJECT, colRS.getInt("DATA_TYPE"));
    assertEquals("map<string,string>", colRS.getString("TYPE_NAME").toLowerCase());

    assertTrue(colRS.next());

    assertEquals("c8", meta.getColumnName(8));
    assertEquals(Types.STRUCT, meta.getColumnType(8));
    assertEquals("struct", meta.getColumnTypeName(8));
    assertEquals(Integer.MAX_VALUE, meta.getColumnDisplaySize(8));
    assertEquals(Integer.MAX_VALUE, meta.getPrecision(8));
    assertEquals(0, meta.getScale(8));

    assertEquals("c8", colRS.getString("COLUMN_NAME"));
    assertEquals(Types.STRUCT, colRS.getInt("DATA_TYPE"));
    assertEquals("struct<r:string,s:int,t:double>", colRS.getString("TYPE_NAME").toLowerCase());

    assertTrue(colRS.next());

    assertEquals("c9", meta.getColumnName(9));
    assertEquals(Types.TINYINT, meta.getColumnType(9));
    assertEquals("tinyint", meta.getColumnTypeName(9));
    assertEquals(4, meta.getColumnDisplaySize(9));
    assertEquals(3, meta.getPrecision(9));
    assertEquals(0, meta.getScale(9));

    assertEquals("c9", colRS.getString("COLUMN_NAME"));
    assertEquals(Types.TINYINT, colRS.getInt("DATA_TYPE"));
    assertEquals("tinyint", colRS.getString("TYPE_NAME").toLowerCase());
    assertEquals(meta.getPrecision(9), colRS.getInt("COLUMN_SIZE"));
    assertEquals(meta.getScale(9), colRS.getInt("DECIMAL_DIGITS"));

    assertTrue(colRS.next());

    assertEquals("c10", meta.getColumnName(10));
    assertEquals(Types.SMALLINT, meta.getColumnType(10));
    assertEquals("smallint", meta.getColumnTypeName(10));
    assertEquals(6, meta.getColumnDisplaySize(10));
    assertEquals(5, meta.getPrecision(10));
    assertEquals(0, meta.getScale(10));

    assertEquals("c10", colRS.getString("COLUMN_NAME"));
    assertEquals(Types.SMALLINT, colRS.getInt("DATA_TYPE"));
    assertEquals("smallint", colRS.getString("TYPE_NAME").toLowerCase());
    assertEquals(meta.getPrecision(10), colRS.getInt("COLUMN_SIZE"));
    assertEquals(meta.getScale(10), colRS.getInt("DECIMAL_DIGITS"));

    assertTrue(colRS.next());

    assertEquals("c11", meta.getColumnName(11));
    assertEquals(Types.FLOAT, meta.getColumnType(11));
    assertEquals("float", meta.getColumnTypeName(11));
    assertEquals(24, meta.getColumnDisplaySize(11));
    assertEquals(7, meta.getPrecision(11));
    assertEquals(7, meta.getScale(11));

    assertEquals("c11", colRS.getString("COLUMN_NAME"));
    assertEquals(Types.FLOAT, colRS.getInt("DATA_TYPE"));
    assertEquals("float", colRS.getString("TYPE_NAME").toLowerCase());
    assertEquals(meta.getPrecision(11), colRS.getInt("COLUMN_SIZE"));
    assertEquals(meta.getScale(11), colRS.getInt("DECIMAL_DIGITS"));

    assertTrue(colRS.next());

    assertEquals("c12", meta.getColumnName(12));
    assertEquals(Types.BIGINT, meta.getColumnType(12));
    assertEquals("bigint", meta.getColumnTypeName(12));
    assertEquals(20, meta.getColumnDisplaySize(12));
    assertEquals(19, meta.getPrecision(12));
    assertEquals(0, meta.getScale(12));

    assertEquals("c12", colRS.getString("COLUMN_NAME"));
    assertEquals(Types.BIGINT, colRS.getInt("DATA_TYPE"));
    assertEquals("bigint", colRS.getString("TYPE_NAME").toLowerCase());
    assertEquals(meta.getPrecision(12), colRS.getInt("COLUMN_SIZE"));
    assertEquals(meta.getScale(12), colRS.getInt("DECIMAL_DIGITS"));

    assertEquals("_c12", meta.getColumnName(13));
    assertEquals(Types.INTEGER, meta.getColumnType(13));
    assertEquals("int", meta.getColumnTypeName(13));
    assertEquals(11, meta.getColumnDisplaySize(13));
    assertEquals(10, meta.getPrecision(13));
    assertEquals(0, meta.getScale(13));

    assertEquals("b", meta.getColumnName(14));
    assertEquals(Types.ARRAY, meta.getColumnType(14));
    assertEquals("array", meta.getColumnTypeName(14));
    assertEquals(Integer.MAX_VALUE, meta.getColumnDisplaySize(14));
    assertEquals(Integer.MAX_VALUE, meta.getPrecision(14));
    assertEquals(0, meta.getScale(14));

    // Move the result of getColumns() forward to match the columns of the query
    assertTrue(colRS.next()); // c13
    assertTrue(colRS.next()); // c14
    assertTrue(colRS.next()); // c15
    assertTrue(colRS.next()); // c16
    assertTrue(colRS.next()); // c17

    assertEquals("c17", meta.getColumnName(15));
    assertEquals(Types.TIMESTAMP, meta.getColumnType(15));
    assertEquals("timestamp", meta.getColumnTypeName(15));
    assertEquals(29, meta.getColumnDisplaySize(15));
    assertEquals(29, meta.getPrecision(15));
    assertEquals(9, meta.getScale(15));

    assertEquals("c17", colRS.getString("COLUMN_NAME"));
    assertEquals(Types.TIMESTAMP, colRS.getInt("DATA_TYPE"));
    assertEquals("timestamp", colRS.getString("TYPE_NAME").toLowerCase());
    assertEquals(meta.getPrecision(15), colRS.getInt("COLUMN_SIZE"));
    assertEquals(meta.getScale(15), colRS.getInt("DECIMAL_DIGITS"));

    assertTrue(colRS.next());

    assertEquals("c18", meta.getColumnName(16));
    assertEquals(Types.DECIMAL, meta.getColumnType(16));
    assertEquals("decimal", meta.getColumnTypeName(16));
    assertEquals(18, meta.getColumnDisplaySize(16));
    assertEquals(16, meta.getPrecision(16));
    assertEquals(7, meta.getScale(16));

    assertEquals("c18", colRS.getString("COLUMN_NAME"));
    assertEquals(Types.DECIMAL, colRS.getInt("DATA_TYPE"));
    assertEquals("decimal", colRS.getString("TYPE_NAME").toLowerCase());
    assertEquals(meta.getPrecision(16), colRS.getInt("COLUMN_SIZE"));
    assertEquals(meta.getScale(16), colRS.getInt("DECIMAL_DIGITS"));

    assertTrue(colRS.next()); // skip c19, since not selected by query
    assertTrue(colRS.next());

    assertEquals("c20", meta.getColumnName(17));
    assertEquals(Types.DATE, meta.getColumnType(17));
    assertEquals("date", meta.getColumnTypeName(17));
    assertEquals(10, meta.getColumnDisplaySize(17));
    assertEquals(10, meta.getPrecision(17));
    assertEquals(0, meta.getScale(17));

    assertEquals("c20", colRS.getString("COLUMN_NAME"));
    assertEquals(Types.DATE, colRS.getInt("DATA_TYPE"));
    assertEquals("date", colRS.getString("TYPE_NAME").toLowerCase());
    assertEquals(meta.getPrecision(17), colRS.getInt("COLUMN_SIZE"));
    assertEquals(meta.getScale(17), colRS.getInt("DECIMAL_DIGITS"));

    assertTrue(colRS.next());

    assertEquals("c21", meta.getColumnName(18));
    assertEquals(Types.VARCHAR, meta.getColumnType(18));
    assertEquals("varchar", meta.getColumnTypeName(18));
    // varchar columns should have correct display size/precision
    assertEquals(20, meta.getColumnDisplaySize(18));
    assertEquals(20, meta.getPrecision(18));
    assertEquals(0, meta.getScale(18));

    assertEquals("c21", colRS.getString("COLUMN_NAME"));
    assertEquals(Types.VARCHAR, colRS.getInt("DATA_TYPE"));
    assertEquals("varchar", colRS.getString("TYPE_NAME").toLowerCase());
    assertEquals(meta.getPrecision(18), colRS.getInt("COLUMN_SIZE"));
    assertEquals(meta.getScale(18), colRS.getInt("DECIMAL_DIGITS"));

    assertTrue(colRS.next());

    assertEquals("c22", meta.getColumnName(19));
    assertEquals(Types.CHAR, meta.getColumnType(19));
    assertEquals("char", meta.getColumnTypeName(19));
    // char columns should have correct display size/precision
    assertEquals(15, meta.getColumnDisplaySize(19));
    assertEquals(15, meta.getPrecision(19));
    assertEquals(0, meta.getScale(19));

    assertEquals("c23", meta.getColumnName(20));
    assertEquals(Types.BINARY, meta.getColumnType(20));
    assertEquals("binary", meta.getColumnTypeName(20));
    assertEquals(Integer.MAX_VALUE, meta.getColumnDisplaySize(20));
    assertEquals(Integer.MAX_VALUE, meta.getPrecision(20));
    assertEquals(0, meta.getScale(20));

    assertEquals("c22", colRS.getString("COLUMN_NAME"));
    assertEquals(Types.CHAR, colRS.getInt("DATA_TYPE"));
    assertEquals("char", colRS.getString("TYPE_NAME").toLowerCase());
    assertEquals(meta.getPrecision(19), colRS.getInt("COLUMN_SIZE"));
    assertEquals(meta.getScale(19), colRS.getInt("DECIMAL_DIGITS"));

    for (int i = 1; i <= meta.getColumnCount(); i++) {
        assertFalse(meta.isAutoIncrement(i));
        assertFalse(meta.isCurrency(i));
        assertEquals(ResultSetMetaData.columnNullable, meta.isNullable(i));
    }
}