| /** |
| * 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.tajo.engine.query; |
| |
| import org.apache.tajo.*; |
| import org.apache.tajo.catalog.CatalogUtil; |
| import org.apache.tajo.client.QueryStatus; |
| import org.apache.tajo.client.TajoClientUtil; |
| import org.apache.tajo.exception.QueryNotFoundException; |
| import org.apache.tajo.ipc.ClientProtos; |
| import org.apache.tajo.master.GlobalEngine; |
| import org.apache.tajo.master.QueryInfo; |
| import org.apache.tajo.master.QueryManager; |
| import org.apache.tajo.plan.LogicalPlan; |
| import org.apache.tajo.plan.logical.NodeType; |
| import org.apache.tajo.plan.util.PlannerUtil; |
| import org.apache.tajo.session.Session; |
| import org.apache.tajo.util.StringUtils; |
| import org.junit.AfterClass; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| import java.io.IOException; |
| import java.sql.ResultSet; |
| import java.util.Arrays; |
| import java.util.Collection; |
| |
| import static org.junit.Assert.*; |
| |
| @RunWith(Parameterized.class) |
| public class TestSimpleQuery extends QueryTestCaseBase { |
| private static String table; |
| private static String partitionedTable; |
| private NodeType nodeType; |
| private String testTable; |
| |
| public TestSimpleQuery(NodeType nodeType) throws IOException { |
| super(TajoConstants.DEFAULT_DATABASE_NAME); |
| this.nodeType = nodeType; |
| if (nodeType == NodeType.SCAN) { |
| testTable = table; |
| } else if (nodeType == NodeType.PARTITIONS_SCAN) { |
| testTable = partitionedTable; |
| } |
| } |
| |
| @Parameters(name = "{index}: {0}") |
| public static Collection<Object[]> generateParameters() { |
| return Arrays.asList(new Object[][]{ |
| //type |
| {NodeType.SCAN}, |
| {NodeType.PARTITIONS_SCAN}, |
| }); |
| } |
| |
| @BeforeClass |
| public static void setupClass() throws Exception { |
| createTestTable(); |
| } |
| |
| @AfterClass |
| public static void tearDownClass() throws Exception { |
| client.dropTable(table, true); |
| client.dropTable(partitionedTable, true); |
| } |
| |
| private static void createTestTable() throws Exception { |
| partitionedTable = CatalogUtil.normalizeIdentifier("TestSimpleQuery_Partitioned"); |
| client.executeQueryAndGetResult("create table " + partitionedTable + |
| " (col4 text) partition by column(col1 int4, col2 int4, col3 float8) " |
| + "as select l_returnflag, l_orderkey, l_partkey, l_quantity from lineitem"); |
| |
| table = CatalogUtil.normalizeIdentifier("TestSimpleQuery"); |
| client.executeQueryAndGetResult("create table " + table |
| + " (col4 text, col1 int4, col2 int4, col3 float8) " |
| + "as select l_returnflag, l_orderkey, l_partkey, l_quantity from lineitem"); |
| } |
| |
| @Test |
| public final void testNoWhere() throws Exception { |
| String query = "select * from " + testTable; |
| |
| isSimpleQuery(query, true); |
| hasQueryMaster(query, false); |
| ResultSet res = executeString(query); |
| assertResultSet(res); |
| cleanupQuery(res); |
| } |
| |
| @Test |
| public final void testLimit() throws Exception { |
| String query = "select * from " + testTable + " limit 1"; |
| |
| isSimpleQuery(query, true); |
| hasQueryMaster(query, false); |
| ResultSet res = executeString(query); |
| assertResultSet(res); |
| cleanupQuery(res); |
| } |
| |
| @Test |
| public final void testWhere() throws Exception { |
| String query = "select * from " + testTable + " where col4 = 'R' and col1 = 3"; |
| |
| isSimpleQuery(query, false); |
| hasQueryMaster(query, true); |
| ResultSet res = executeString(query); |
| assertResultSet(res); |
| cleanupQuery(res); |
| } |
| |
| @Test |
| public final void testPartitionColumnWhere() throws Exception { |
| String query = "select * from " + testTable + " where col1 = 1 and (col3 = 36.0 or col3 = 17.0) "; |
| |
| if (nodeType == NodeType.SCAN) { |
| isSimpleQuery(query, false); |
| hasQueryMaster(query, true); |
| } else { |
| isSimpleQuery(query, true); |
| hasQueryMaster(query, false); |
| } |
| |
| ResultSet res = executeString(query); |
| assertResultSet(res); |
| cleanupQuery(res); |
| } |
| |
| private void isSimpleQuery(String queryStr, boolean expected) throws Exception { |
| GlobalEngine globalEngine = testingCluster.getMaster().getContext().getGlobalEngine(); |
| |
| QueryContext queryContext = LocalTajoTestingUtility.createDummyContext(conf); |
| Session session = testingCluster.getMaster().getContext().getSessionManager().getSession(client.getSessionId()); |
| LogicalPlan plan = globalEngine.getLogicalPlanner(). |
| createPlan(queryContext, globalEngine.buildExpressionFromSql(queryStr, session)); |
| |
| globalEngine.getLogicalOptimizer().optimize(plan); |
| assertEquals(expected, PlannerUtil.checkIfSimpleQuery(plan)); |
| } |
| |
| private void hasQueryMaster(String queryStr, boolean expected) throws QueryNotFoundException { |
| ClientProtos.SubmitQueryResponse res = client.executeQuery(queryStr); |
| QueryId queryId = new QueryId(res.getQueryId()); |
| |
| QueryManager queryManager = testingCluster.getMaster().getContext().getQueryJobManager(); |
| if (expected) { |
| assertEquals(ClientProtos.SubmitQueryResponse.ResultType.FETCH, res.getResultType()); |
| QueryStatus status = TajoClientUtil.waitCompletion(client, queryId); |
| assertEquals(TajoProtos.QueryState.QUERY_SUCCEEDED, status.getState()); |
| client.closeQuery(queryId); |
| } else { |
| assertEquals(ClientProtos.SubmitQueryResponse.ResultType.ENCLOSED, res.getResultType()); |
| QueryInfo queryInfo = queryManager.getFinishedQuery(queryId); |
| assertNotNull(queryInfo); |
| assertTrue(StringUtils.isEmpty(queryInfo.getQueryMasterHost())); |
| client.closeQuery(queryId); |
| } |
| } |
| } |