| /* |
| * 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 org.apache.hudi.common.util.collection.Pair; |
| import org.apache.hudi.integ.testsuite.helpers.HiveServiceProvider; |
| import org.apache.hudi.integ.testsuite.configuration.DeltaConfig.Config; |
| import org.apache.hudi.integ.testsuite.dag.ExecutionContext; |
| import org.apache.spark.sql.Dataset; |
| import org.apache.spark.sql.Row; |
| import org.apache.spark.sql.SparkSession; |
| |
| /** |
| * A SparkSQL query node in the DAG of operations for a workflow. |
| */ |
| public class SparkSQLQueryNode extends DagNode<Boolean> { |
| |
| HiveServiceProvider hiveServiceProvider; |
| |
| public SparkSQLQueryNode(Config config) { |
| this.config = config; |
| this.hiveServiceProvider = new HiveServiceProvider(config); |
| } |
| |
| /** |
| * Method helps to execute a sparkSql query from a hive table. |
| * |
| * @param executionContext Execution context to perform this query. |
| * @throws Exception will be thrown if ant error occurred |
| */ |
| @Override |
| public void execute(ExecutionContext executionContext) throws Exception { |
| log.info("Executing spark sql query node"); |
| this.hiveServiceProvider.startLocalHiveServiceIfNeeded(executionContext.getHoodieTestSuiteWriter().getConfiguration()); |
| this.hiveServiceProvider.syncToLocalHiveIfNeeded(executionContext.getHoodieTestSuiteWriter()); |
| SparkSession session = SparkSession.builder().sparkContext(executionContext.getJsc().sc()).getOrCreate(); |
| for (String hiveProperty : this.config.getHiveProperties()) { |
| session.sql(hiveProperty).count(); |
| } |
| for (Pair<String, Integer> queryAndResult : this.config.getHiveQueries()) { |
| log.info("Running {}", queryAndResult.getLeft()); |
| Dataset<Row> res = session.sql(queryAndResult.getLeft()); |
| if (res.count() == 0) { |
| assert 0 == queryAndResult.getRight(); |
| } else { |
| assert ((Row[]) res.collect())[0].getInt(0) == queryAndResult.getRight(); |
| } |
| log.info("Successfully validated query!"); |
| } |
| this.hiveServiceProvider.stopLocalHiveServiceIfNeeded(); |
| this.result = true; |
| } |
| |
| } |