| /* |
| * 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.hudi.integ.testsuite.dag.nodes; |
| |
| import java.sql.Connection; |
| import java.sql.DriverManager; |
| import java.sql.ResultSet; |
| import java.sql.SQLException; |
| import java.sql.Statement; |
| import org.apache.hudi.DataSourceUtils; |
| import org.apache.hudi.common.util.collection.Pair; |
| import org.apache.hudi.hive.HiveSyncConfig; |
| import org.apache.hudi.integ.testsuite.configuration.DeltaConfig; |
| import org.apache.hudi.integ.testsuite.dag.ExecutionContext; |
| import org.apache.hudi.integ.testsuite.helpers.HiveServiceProvider; |
| |
| /** |
| * A hive query node in the DAG of operations for a workflow. used to perform a hive query with given config. |
| */ |
| public class HiveQueryNode extends DagNode<Boolean> { |
| |
| private HiveServiceProvider hiveServiceProvider; |
| |
| public HiveQueryNode(DeltaConfig.Config config) { |
| this.config = config; |
| this.hiveServiceProvider = new HiveServiceProvider(config); |
| } |
| |
| @Override |
| public void execute(ExecutionContext executionContext) throws Exception { |
| log.info("Executing hive query node {}", this.getName()); |
| this.hiveServiceProvider.startLocalHiveServiceIfNeeded(executionContext.getHoodieTestSuiteWriter().getConfiguration()); |
| HiveSyncConfig hiveSyncConfig = DataSourceUtils |
| .buildHiveSyncConfig(executionContext.getHoodieTestSuiteWriter().getDeltaStreamerWrapper() |
| .getDeltaSyncService().getDeltaSync().getProps(), |
| executionContext.getHoodieTestSuiteWriter().getDeltaStreamerWrapper() |
| .getDeltaSyncService().getDeltaSync().getCfg().targetBasePath, |
| executionContext.getHoodieTestSuiteWriter().getDeltaStreamerWrapper() |
| .getDeltaSyncService().getDeltaSync().getCfg().baseFileFormat); |
| this.hiveServiceProvider.syncToLocalHiveIfNeeded(executionContext.getHoodieTestSuiteWriter()); |
| Connection con = DriverManager.getConnection(hiveSyncConfig.jdbcUrl, hiveSyncConfig.hiveUser, |
| hiveSyncConfig.hivePass); |
| Statement stmt = con.createStatement(); |
| stmt.execute("set hive.input.format=org.apache.hadoop.hive.ql.io.HiveInputFormat"); |
| for (String hiveProperty : this.config.getHiveProperties()) { |
| executeStatement(hiveProperty, stmt); |
| } |
| for (Pair<String, Integer> queryAndResult : this.config.getHiveQueries()) { |
| log.info("Running {}", queryAndResult.getLeft()); |
| ResultSet res = stmt.executeQuery(queryAndResult.getLeft()); |
| if (!res.next()) { |
| log.info("res.next() was False - typically this means the query returned no rows."); |
| assert 0 == queryAndResult.getRight(); |
| } else { |
| Integer result = res.getInt(1); |
| if (!queryAndResult.getRight().equals(result)) { |
| throw new AssertionError( |
| "QUERY: " + queryAndResult.getLeft() |
| + " | EXPECTED RESULT = " + queryAndResult.getRight() |
| + " | ACTUAL RESULT = " + result |
| ); |
| } |
| } |
| log.info("Successfully validated query!"); |
| } |
| this.hiveServiceProvider.stopLocalHiveServiceIfNeeded(); |
| } |
| |
| private void executeStatement(String query, Statement stmt) throws SQLException { |
| log.info("Executing statement {}", stmt.toString()); |
| stmt.execute(query); |
| } |
| |
| } |