Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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 org.apache.drill.exec.store.parquet; import com.google.common.io.Resources; import org.apache.commons.io.FileUtils; import org.apache.drill.test.BaseTestQuery; import org.junit.Test; import java.io.File; import java.nio.file.Path; public class TestParquetScan extends BaseTestQuery { @Test public void testSuccessFile() throws Exception { final byte[] bytes = Resources.toByteArray(Resources.getResource("tpch/nation.parquet")); final Path rootPath = dirTestWatcher.getRootDir().toPath(); final File scanFile = rootPath.resolve("nation_test_parquet_scan").toFile(); final File successFile = rootPath.resolve("_SUCCESS").toFile(); final File logsFile = rootPath.resolve("_logs").toFile(); FileUtils.writeByteArrayToFile(scanFile, bytes); successFile.createNewFile(); logsFile.createNewFile(); testBuilder().sqlQuery("select count(*) c from dfs.nation_test_parquet_scan where 1 = 1").unOrdered() .baselineColumns("c").baselineValues(25L).build().run(); } }