| /* |
| * 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.hive; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.nio.file.attribute.PosixFilePermission; |
| import java.util.EnumSet; |
| import java.util.Set; |
| |
| import org.apache.drill.test.QueryBuilder; |
| import org.apache.drill.test.TestTools; |
| import org.apache.hadoop.hive.ql.Driver; |
| import org.apache.hadoop.hive.ql.processors.CommandProcessorResponse; |
| import org.apache.hadoop.util.ComparableVersion; |
| import org.apache.hive.common.util.HiveVersionInfo; |
| import org.junit.AssumptionViolatedException; |
| |
| import static org.hamcrest.CoreMatchers.containsString; |
| import static org.hamcrest.CoreMatchers.startsWith; |
| import static org.junit.Assert.assertThat; |
| import static org.junit.Assume.assumeThat; |
| |
| public class HiveTestUtilities { |
| |
| /** |
| * Set of all posix permissions to be assigned to newly created file in |
| * {@link HiveTestUtilities#createDirWithPosixPermissions(File, String)} |
| */ |
| private static final Set<PosixFilePermission> ALL_POSIX_PERMISSIONS = EnumSet.allOf(PosixFilePermission.class); |
| |
| /** |
| * Execute the give <i>query</i> on given <i>hiveDriver</i> instance. |
| */ |
| public static void executeQuery(Driver hiveDriver, String query) { |
| CommandProcessorResponse response; |
| try { |
| response = hiveDriver.run(query); |
| } catch (Exception e) { |
| throw new RuntimeException(e); |
| } |
| |
| if (response.getResponseCode() != 0 ) { |
| throw new RuntimeException(String.format("Failed to execute command '%s', errorMsg = '%s'", |
| query, response.getErrorMessage())); |
| } |
| } |
| |
| /** |
| * Creates desired directory structure and |
| * adds all posix permissions to created directory. |
| * |
| * @param parentDir parent directory |
| * @param dirName directory name |
| * @return file representing created dir with all posix permissions |
| */ |
| public static File createDirWithPosixPermissions(File parentDir, String dirName) { |
| File dir = new File(parentDir, dirName); |
| dir.mkdirs(); |
| Path path = dir.toPath(); |
| try { |
| Files.setPosixFilePermissions(path, ALL_POSIX_PERMISSIONS); |
| } catch (IOException e) { |
| throw new RuntimeException( |
| String.format("Failed to set all posix permissions for directory [%s]", dir), e); |
| } |
| return dir; |
| } |
| |
| /** |
| * Load data from test resources file into table. |
| * |
| * @param driver hive driver |
| * @param tableName destination |
| * @param relativeTestResourcePath path to test resource |
| */ |
| public static void loadData(Driver driver, String tableName, Path relativeTestResourcePath){ |
| String dataAbsPath = TestTools.getResourceFile(relativeTestResourcePath).getAbsolutePath(); |
| String loadDataSql = String.format("LOAD DATA LOCAL INPATH '%s' OVERWRITE INTO TABLE %s", dataAbsPath, tableName); |
| executeQuery(driver, loadDataSql); |
| } |
| |
| /** |
| * Performs insert from select. |
| * |
| * @param driver hive driver |
| * @param srcTable source |
| * @param destTable destination |
| */ |
| public static void insertData(Driver driver, String srcTable, String destTable){ |
| executeQuery(driver, String.format( |
| "INSERT OVERWRITE TABLE %s SELECT * FROM %s", |
| destTable, srcTable |
| )); |
| } |
| |
| /** |
| * Helper method used to ensure that native parquet scan will be used |
| * for table selection. |
| * |
| * @param queryBuilder test query builder |
| * @param table table to check |
| * @throws Exception may be thrown while getting query plan |
| */ |
| public static void assertNativeScanUsed(QueryBuilder queryBuilder, String table) throws Exception { |
| String plan = queryBuilder.sql("SELECT * FROM hive.`%s`", table).explainText(); |
| assertThat(plan, containsString("HiveDrillNativeParquetScan")); |
| } |
| |
| /** |
| * Current Hive version doesn't support JDK 9+. |
| * Checks if current version is supported by Hive. |
| * |
| * @return {@code true} if current version is supported by Hive, {@code false} otherwise |
| */ |
| public static boolean supportedJavaVersion() { |
| return System.getProperty("java.version").startsWith("1.8"); |
| } |
| |
| /** |
| * Checks whether current version is not less than hive 3.0 |
| */ |
| public static boolean isHive3() { |
| return new ComparableVersion(HiveVersionInfo.getVersion()) |
| .compareTo(new ComparableVersion("3.0")) >= 0; |
| } |
| |
| /** |
| * Checks if current version is supported by Hive. |
| * |
| * @throws AssumptionViolatedException if current version is not supported by Hive, |
| * so unit tests may be skipped. |
| */ |
| public static void assumeJavaVersion() throws AssumptionViolatedException { |
| assumeThat("Skipping tests since Hive supports only JDK 8.", System.getProperty("java.version"), startsWith("1.8")); |
| } |
| } |