| /** |
| * 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.IntegrationTest; |
| import org.apache.tajo.QueryTestCaseBase; |
| import org.apache.tajo.TajoConstants; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| import java.sql.ResultSet; |
| |
| /* |
| * Notations |
| * - S - select |
| * - SA - select * |
| * - U - union |
| * - G - group by |
| * - O - order by |
| */ |
| @Category(IntegrationTest.class) |
| public class TestUnionQuery extends QueryTestCaseBase { |
| |
| public TestUnionQuery() { |
| super(TajoConstants.DEFAULT_DATABASE_NAME); |
| } |
| |
| @Test |
| /** |
| * S (SA U SA) O |
| */ |
| public final void testUnion1() throws Exception { |
| ResultSet res = executeQuery(); |
| assertResultSet(res); |
| cleanupQuery(res); |
| } |
| |
| @Test |
| /** |
| * S (S U S) O |
| */ |
| public final void testUnion2() throws Exception { |
| ResultSet res = executeQuery(); |
| assertResultSet(res); |
| cleanupQuery(res); |
| } |
| |
| @Test |
| /** |
| * S O ((S G) U (S G)) |
| */ |
| public final void testUnion3() throws Exception { |
| ResultSet res = executeQuery(); |
| assertResultSet(res); |
| cleanupQuery(res); |
| } |
| |
| @Test |
| /** |
| * S G (S G) |
| */ |
| public final void testUnion4() throws Exception { |
| ResultSet res = executeQuery(); |
| assertResultSet(res); |
| cleanupQuery(res); |
| } |
| |
| @Test |
| /** |
| * S G (S F G) |
| */ |
| public final void testUnion5() throws Exception { |
| ResultSet res = executeQuery(); |
| assertResultSet(res); |
| cleanupQuery(res); |
| } |
| |
| @Test |
| /** |
| * S G (SA) |
| */ |
| public final void testUnion6() throws Exception { |
| ResultSet res = executeQuery(); |
| assertResultSet(res); |
| cleanupQuery(res); |
| } |
| |
| @Test |
| /** |
| * S (SA) |
| */ |
| public final void testUnion7() throws Exception { |
| ResultSet res = executeQuery(); |
| assertResultSet(res); |
| cleanupQuery(res); |
| } |
| |
| @Test |
| public final void testUnion8() throws Exception { |
| ResultSet res = executeQuery(); |
| assertResultSet(res); |
| cleanupQuery(res); |
| } |
| |
| @Test |
| public final void testUnion9() throws Exception { |
| ResultSet res = executeQuery(); |
| assertResultSet(res); |
| cleanupQuery(res); |
| } |
| |
| @Test |
| public final void testUnion10() throws Exception { |
| ResultSet res = executeQuery(); |
| assertResultSet(res); |
| cleanupQuery(res); |
| } |
| |
| @Test |
| public final void testUnionWithSameAliasNames() throws Exception { |
| ResultSet res = executeQuery(); |
| assertResultSet(res); |
| cleanupQuery(res); |
| } |
| } |