ihuzenko commented on a change in pull request #1488: DRILL-786: Implement CROSS JOIN URL: https://github.com/apache/drill/pull/1488#discussion_r222692650
########## File path: exec/java-exec/src/test/java/org/apache/drill/exec/planner/sql/CrossJoinTest.java ########## @@ -0,0 +1,189 @@ +/* + * 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.planner.sql; + +import org.apache.drill.categories.SqlTest; +import org.apache.drill.common.exceptions.UserRemoteException; +import org.apache.drill.exec.planner.physical.PlannerSettings; +import org.apache.drill.test.ClusterFixture; +import org.apache.drill.test.ClusterTest; +import org.junit.After; +import org.junit.BeforeClass; +import org.junit.Test; +import org.junit.experimental.categories.Category; + +import static org.apache.drill.exec.physical.impl.join.JoinUtils.FAILED_TO_PLAN_CARTESIAN_JOIN; + +@Category(SqlTest.class) +public class CrossJoinTest extends ClusterTest { + + private static int NATION_TABLE_RECORDS_COUNT = 25; + + private static int EXPECTED_COUNT = NATION_TABLE_RECORDS_COUNT * NATION_TABLE_RECORDS_COUNT; + + @BeforeClass + public static void setUp() throws Exception { + startCluster(ClusterFixture.builder(dirTestWatcher)); + } + + @After + public void tearDown() { + client.resetSession(PlannerSettings.NLJOIN_FOR_SCALAR.getOptionName()); + } + + @Test + public void testCrossJoinFailsForEnabledOption() throws Exception { + enableNlJoinForScalarOnly(); + + thrownException.expect(UserRemoteException.class); + thrownException.expectMessage(FAILED_TO_PLAN_CARTESIAN_JOIN); + + queryBuilder().sql( + "SELECT l.n_name, r.n_name " + + "FROM cp.`tpch/nation.parquet` l " + + "CROSS JOIN cp.`tpch/nation.parquet` r") + .run(); + } + + @Test + public void testCrossJoinSucceedsForDisabledOption() throws Exception { + disableNlJoinForScalarOnly(); + client.testBuilder().sqlQuery( + "SELECT l.n_name,r.n_name " + + "FROM cp.`tpch/nation.parquet` l " + + "CROSS JOIN cp.`tpch/nation.parquet` r") + .expectsNumRecords(EXPECTED_COUNT) + .go(); + } + + @Test + public void testCommaJoinFailsForEnabledOption() throws Exception { + enableNlJoinForScalarOnly(); + + thrownException.expect(UserRemoteException.class); + thrownException.expectMessage(FAILED_TO_PLAN_CARTESIAN_JOIN); + + queryBuilder().sql( + "SELECT l.n_name,r.n_name " + + "FROM cp.`tpch/nation.parquet` l, cp.`tpch/nation.parquet` r") + .run(); + } + + @Test + public void testCommaJoinSucceedsForDisabledOption() throws Exception { + disableNlJoinForScalarOnly(); + client.testBuilder().sqlQuery( + "SELECT l.n_name,r.n_name " + + "FROM cp.`tpch/nation.parquet` l, cp.`tpch/nation.parquet` r") + .expectsNumRecords(EXPECTED_COUNT) + .go(); + } + + @Test + public void testSubSelectCrossJoinFailsForEnabledOption() throws Exception { + enableNlJoinForScalarOnly(); + + thrownException.expect(UserRemoteException.class); + thrownException.expectMessage(FAILED_TO_PLAN_CARTESIAN_JOIN); + + queryBuilder().sql( + "SELECT COUNT(*) c " + + "FROM (" + + "SELECT l.n_name,r.n_name " + + "FROM cp.`tpch/nation.parquet` l " + + "CROSS JOIN cp.`tpch/nation.parquet` r" + + ")") + .run(); + } + + @Test + public void testSubSelectCrossJoinSucceedsForDisabledOption() throws Exception { + disableNlJoinForScalarOnly(); + + client.testBuilder() + .sqlQuery( + "SELECT COUNT(*) c " + + "FROM (SELECT l.n_name,r.n_name " + + "FROM cp.`tpch/nation.parquet` l " + + "CROSS JOIN cp.`tpch/nation.parquet` r)") + .unOrdered() + .baselineColumns("c") + .baselineValues((long) EXPECTED_COUNT) + .go(); + } + + @Test + public void textCrossAndCommaJoinFailsForEnabledOption() throws Exception { + enableNlJoinForScalarOnly(); + + thrownException.expect(UserRemoteException.class); + thrownException.expectMessage(FAILED_TO_PLAN_CARTESIAN_JOIN); + + queryBuilder().sql( + "SELECT * " + + "FROM cp.`tpch/nation.parquet` a, cp.`tpch/nation.parquet` b " + + "CROSS JOIN cp.`tpch/nation.parquet` c") + .run(); + } + + @Test + public void textCrossAndCommaJoinSucceedsForDisabledOption() throws Exception { + disableNlJoinForScalarOnly(); + + client.testBuilder().sqlQuery( + "SELECT * " + + "FROM cp.`tpch/nation.parquet` a, cp.`tpch/nation.parquet` b " + + "CROSS JOIN cp.`tpch/nation.parquet` c") + .expectsNumRecords(NATION_TABLE_RECORDS_COUNT * EXPECTED_COUNT) + .go(); + } + + @Test + public void testCrossApplyFailsForEnabledOption() throws Exception { + enableNlJoinForScalarOnly(); + + thrownException.expect(UserRemoteException.class); + thrownException.expectMessage(FAILED_TO_PLAN_CARTESIAN_JOIN); + + queryBuilder().sql( + "SELECT * " + + "FROM cp.`tpch/nation.parquet` l " + + "CROSS APPLY cp.`tpch/nation.parquet` r") + .run(); + } + + @Test + public void testCrossApplySucceedsForDisabledOption() throws Exception { + disableNlJoinForScalarOnly(); + + client.testBuilder().sqlQuery( + "SELECT * " + + "FROM cp.`tpch/nation.parquet` l " + + "CROSS APPLY cp.`tpch/nation.parquet` r") + .expectsNumRecords(EXPECTED_COUNT) + .go(); + } + + private static void disableNlJoinForScalarOnly() { + client.alterSession(PlannerSettings.NLJOIN_FOR_SCALAR.getOptionName(), false); + } + + private static void enableNlJoinForScalarOnly() { + client.alterSession(PlannerSettings.NLJOIN_FOR_SCALAR.getOptionName(), true); + } +} Review comment: done ---------------------------------------------------------------- This is an automated message from the Apache Git Service. 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