| /* |
| * 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.druid.sql.calcite.rel; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.ImmutableSet; |
| import org.apache.calcite.plan.RelOptTable; |
| import org.apache.calcite.rel.core.Filter; |
| import org.apache.calcite.rel.core.Project; |
| import org.apache.calcite.util.mapping.MappingType; |
| import org.apache.calcite.util.mapping.Mappings; |
| import org.apache.druid.sql.calcite.table.DruidTable; |
| import org.easymock.EasyMock; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import javax.annotation.Nullable; |
| import java.util.List; |
| import java.util.function.Consumer; |
| |
| public class DruidRelsTest |
| { |
| @Test |
| public void test_isScanOrMapping_scan() |
| { |
| final DruidRel<?> rel = mockDruidRel(DruidQueryRel.class, PartialDruidQuery.Stage.SCAN, null, null, null); |
| Assert.assertTrue(DruidRels.isScanOrMapping(rel, true)); |
| Assert.assertTrue(DruidRels.isScanOrMapping(rel, false)); |
| EasyMock.verify(rel, rel.getPartialDruidQuery()); |
| } |
| |
| @Test |
| public void test_isScanOrMapping_scanJoin() |
| { |
| final DruidRel<?> rel = mockDruidRel(DruidJoinQueryRel.class, PartialDruidQuery.Stage.SCAN, null, null, null); |
| Assert.assertTrue(DruidRels.isScanOrMapping(rel, true)); |
| Assert.assertFalse(DruidRels.isScanOrMapping(rel, false)); |
| EasyMock.verify(rel, rel.getPartialDruidQuery()); |
| } |
| |
| @Test |
| public void test_isScanOrMapping_scanUnion() |
| { |
| final DruidRel<?> rel = mockDruidRel(DruidUnionDataSourceRel.class, PartialDruidQuery.Stage.SCAN, null, null, null); |
| Assert.assertTrue(DruidRels.isScanOrMapping(rel, true)); |
| Assert.assertFalse(DruidRels.isScanOrMapping(rel, false)); |
| EasyMock.verify(rel, rel.getPartialDruidQuery()); |
| } |
| |
| @Test |
| public void test_isScanOrMapping_scanQuery() |
| { |
| final DruidRel<?> rel = mockDruidRel(DruidOuterQueryRel.class, PartialDruidQuery.Stage.SCAN, null, null, null); |
| Assert.assertFalse(DruidRels.isScanOrMapping(rel, true)); |
| Assert.assertFalse(DruidRels.isScanOrMapping(rel, false)); |
| EasyMock.verify(rel, rel.getPartialDruidQuery()); |
| } |
| |
| @Test |
| public void test_isScanOrMapping_mapping() |
| { |
| final Project project = mockMappingProject(ImmutableList.of(1, 0), 2); |
| final DruidRel<?> rel = mockDruidRel( |
| DruidQueryRel.class, |
| PartialDruidQuery.Stage.SELECT_PROJECT, |
| null, |
| project, |
| null |
| ); |
| Assert.assertTrue(DruidRels.isScanOrMapping(rel, true)); |
| Assert.assertTrue(DruidRels.isScanOrMapping(rel, false)); |
| |
| EasyMock.verify(rel, rel.getPartialDruidQuery(), project); |
| } |
| |
| @Test |
| public void test_isScanOrMapping_mappingJoin() |
| { |
| final Project project = mockMappingProject(ImmutableList.of(1, 0), 2); |
| final DruidRel<?> rel = mockDruidRel( |
| DruidJoinQueryRel.class, |
| PartialDruidQuery.Stage.SELECT_PROJECT, |
| null, |
| project, |
| null |
| ); |
| Assert.assertTrue(DruidRels.isScanOrMapping(rel, true)); |
| Assert.assertFalse(DruidRels.isScanOrMapping(rel, false)); |
| |
| EasyMock.verify(rel, rel.getPartialDruidQuery(), project); |
| } |
| |
| @Test |
| public void test_isScanOrMapping_mappingUnion() |
| { |
| final Project project = mockMappingProject(ImmutableList.of(1, 0), 2); |
| final DruidRel<?> rel = mockDruidRel( |
| DruidUnionDataSourceRel.class, |
| PartialDruidQuery.Stage.SELECT_PROJECT, |
| null, |
| project, |
| null |
| ); |
| Assert.assertTrue(DruidRels.isScanOrMapping(rel, true)); |
| Assert.assertFalse(DruidRels.isScanOrMapping(rel, false)); |
| |
| EasyMock.verify(rel, rel.getPartialDruidQuery(), project); |
| } |
| |
| @Test |
| public void test_isScanOrMapping_mappingQuery() |
| { |
| final Project project = mockMappingProject(ImmutableList.of(1, 0), 2); |
| final DruidRel<?> rel = mockDruidRel( |
| DruidOuterQueryRel.class, |
| PartialDruidQuery.Stage.SELECT_PROJECT, |
| null, |
| project, |
| null |
| ); |
| Assert.assertFalse(DruidRels.isScanOrMapping(rel, true)); |
| Assert.assertFalse(DruidRels.isScanOrMapping(rel, false)); |
| |
| EasyMock.verify(rel, rel.getPartialDruidQuery(), project); |
| } |
| |
| @Test |
| public void test_isScanOrMapping_nonMapping() |
| { |
| final Project project = mockNonMappingProject(); |
| final DruidRel<?> rel = mockDruidRel( |
| DruidQueryRel.class, |
| PartialDruidQuery.Stage.SELECT_PROJECT, |
| null, |
| project, |
| null |
| ); |
| Assert.assertFalse(DruidRels.isScanOrMapping(rel, true)); |
| Assert.assertFalse(DruidRels.isScanOrMapping(rel, false)); |
| |
| EasyMock.verify(rel, rel.getPartialDruidQuery(), project); |
| } |
| |
| @Test |
| public void test_isScanOrMapping_nonMappingJoin() |
| { |
| final Project project = mockNonMappingProject(); |
| final DruidRel<?> rel = mockDruidRel( |
| DruidJoinQueryRel.class, |
| PartialDruidQuery.Stage.SELECT_PROJECT, |
| null, |
| project, |
| null |
| ); |
| Assert.assertFalse(DruidRels.isScanOrMapping(rel, true)); |
| Assert.assertFalse(DruidRels.isScanOrMapping(rel, false)); |
| |
| EasyMock.verify(rel, rel.getPartialDruidQuery(), project); |
| } |
| |
| @Test |
| public void test_isScanOrMapping_nonMappingUnion() |
| { |
| final Project project = mockNonMappingProject(); |
| final DruidRel<?> rel = mockDruidRel( |
| DruidUnionDataSourceRel.class, |
| PartialDruidQuery.Stage.SELECT_PROJECT, |
| null, |
| project, |
| null |
| ); |
| Assert.assertFalse(DruidRels.isScanOrMapping(rel, true)); |
| Assert.assertFalse(DruidRels.isScanOrMapping(rel, false)); |
| |
| EasyMock.verify(rel, rel.getPartialDruidQuery(), project); |
| } |
| |
| @Test |
| public void test_isScanOrMapping_filterThenProject() |
| { |
| final Project project = mockMappingProject(ImmutableList.of(1, 0), 2); |
| final DruidRel<?> rel = mockDruidRel( |
| DruidQueryRel.class, |
| PartialDruidQuery.Stage.SELECT_PROJECT, |
| null, |
| project, |
| mockFilter() |
| ); |
| Assert.assertFalse(DruidRels.isScanOrMapping(rel, true)); |
| Assert.assertFalse(DruidRels.isScanOrMapping(rel, false)); |
| |
| EasyMock.verify(rel, rel.getPartialDruidQuery(), project); |
| } |
| |
| @Test |
| public void test_isScanOrMapping_filterThenProjectJoin() |
| { |
| final Project project = mockMappingProject(ImmutableList.of(1, 0), 2); |
| final DruidRel<?> rel = mockDruidRel( |
| DruidJoinQueryRel.class, |
| PartialDruidQuery.Stage.SELECT_PROJECT, |
| null, |
| project, |
| mockFilter() |
| ); |
| Assert.assertFalse(DruidRels.isScanOrMapping(rel, true)); |
| Assert.assertFalse(DruidRels.isScanOrMapping(rel, false)); |
| |
| EasyMock.verify(rel, rel.getPartialDruidQuery(), project); |
| } |
| |
| @Test |
| public void test_isScanOrMapping_filterThenProjectUnion() |
| { |
| final Project project = mockMappingProject(ImmutableList.of(1, 0), 2); |
| final DruidRel<?> rel = mockDruidRel( |
| DruidUnionDataSourceRel.class, |
| PartialDruidQuery.Stage.SELECT_PROJECT, |
| null, |
| project, |
| mockFilter() |
| ); |
| Assert.assertFalse(DruidRels.isScanOrMapping(rel, true)); |
| Assert.assertFalse(DruidRels.isScanOrMapping(rel, false)); |
| |
| EasyMock.verify(rel, rel.getPartialDruidQuery(), project); |
| } |
| |
| @Test |
| public void test_isScanOrMapping_filter() |
| { |
| final DruidRel<?> rel = mockDruidRel( |
| DruidQueryRel.class, |
| PartialDruidQuery.Stage.WHERE_FILTER, |
| null, |
| null, |
| mockFilter() |
| ); |
| Assert.assertFalse(DruidRels.isScanOrMapping(rel, true)); |
| Assert.assertFalse(DruidRels.isScanOrMapping(rel, false)); |
| |
| EasyMock.verify(rel, rel.getPartialDruidQuery()); |
| } |
| |
| @Test |
| public void test_isScanOrMapping_filterJoin() |
| { |
| final DruidRel<?> rel = mockDruidRel( |
| DruidJoinQueryRel.class, |
| PartialDruidQuery.Stage.WHERE_FILTER, |
| null, |
| null, |
| mockFilter() |
| ); |
| Assert.assertFalse(DruidRels.isScanOrMapping(rel, true)); |
| Assert.assertFalse(DruidRels.isScanOrMapping(rel, false)); |
| |
| EasyMock.verify(rel, rel.getPartialDruidQuery()); |
| } |
| |
| @Test |
| public void test_isScanOrMapping_allStages() |
| { |
| final ImmutableSet<PartialDruidQuery.Stage> okStages = ImmutableSet.of( |
| PartialDruidQuery.Stage.SCAN, |
| PartialDruidQuery.Stage.SELECT_PROJECT |
| ); |
| |
| for (PartialDruidQuery.Stage stage : PartialDruidQuery.Stage.values()) { |
| final Project project = mockMappingProject(ImmutableList.of(1, 0), 2); |
| final DruidRel<?> rel = mockDruidRel( |
| DruidQueryRel.class, |
| stage, |
| null, |
| project, |
| null |
| ); |
| |
| Assert.assertEquals(stage.toString(), okStages.contains(stage), DruidRels.isScanOrMapping(rel, true)); |
| Assert.assertEquals(stage.toString(), okStages.contains(stage), DruidRels.isScanOrMapping(rel, false)); |
| |
| EasyMock.verify(rel, rel.getPartialDruidQuery(), project); |
| } |
| } |
| |
| public static DruidRel<?> mockDruidRel( |
| final Class<? extends DruidRel<?>> clazz, |
| final PartialDruidQuery.Stage stage, |
| @Nullable DruidTable druidTable, |
| @Nullable Project selectProject, |
| @Nullable Filter whereFilter |
| ) |
| { |
| return mockDruidRel(clazz, rel -> {}, stage, druidTable, selectProject, whereFilter); |
| } |
| |
| public static <T extends DruidRel<?>> T mockDruidRel( |
| final Class<T> clazz, |
| final Consumer<T> additionalExpectationsFunction, |
| final PartialDruidQuery.Stage stage, |
| @Nullable DruidTable druidTable, |
| @Nullable Project selectProject, |
| @Nullable Filter whereFilter |
| ) |
| { |
| // DruidQueryRels rely on a ton of Calcite stuff like RelOptCluster, RelOptTable, etc, which is quite verbose to |
| // create real instances of. So, tragically, we'll use EasyMock. |
| final PartialDruidQuery mockPartialQuery = EasyMock.mock(PartialDruidQuery.class); |
| EasyMock.expect(mockPartialQuery.stage()).andReturn(stage).anyTimes(); |
| EasyMock.expect(mockPartialQuery.getSelectProject()).andReturn(selectProject).anyTimes(); |
| EasyMock.expect(mockPartialQuery.getWhereFilter()).andReturn(whereFilter).anyTimes(); |
| |
| final RelOptTable mockRelOptTable = EasyMock.mock(RelOptTable.class); |
| EasyMock.expect(mockRelOptTable.unwrap(DruidTable.class)).andReturn(druidTable).anyTimes(); |
| |
| final T mockRel = EasyMock.mock(clazz); |
| EasyMock.expect(mockRel.getPartialDruidQuery()).andReturn(mockPartialQuery).anyTimes(); |
| EasyMock.expect(mockRel.getTable()).andReturn(mockRelOptTable).anyTimes(); |
| additionalExpectationsFunction.accept(mockRel); |
| |
| EasyMock.replay(mockRel, mockPartialQuery, mockRelOptTable); |
| return mockRel; |
| } |
| |
| public static Project mockMappingProject(final List<Integer> sources, final int sourceCount) |
| { |
| final Project mockProject = EasyMock.mock(Project.class); |
| EasyMock.expect(mockProject.isMapping()).andReturn(true).anyTimes(); |
| |
| final Mappings.PartialMapping mapping = new Mappings.PartialMapping(sources, sourceCount, MappingType.SURJECTION); |
| |
| EasyMock.expect(mockProject.getMapping()).andReturn(mapping).anyTimes(); |
| EasyMock.replay(mockProject); |
| return mockProject; |
| } |
| |
| public static Project mockNonMappingProject() |
| { |
| final Project mockProject = EasyMock.mock(Project.class); |
| EasyMock.expect(mockProject.isMapping()).andReturn(false).anyTimes(); |
| EasyMock.replay(mockProject); |
| return mockProject; |
| } |
| |
| public static Filter mockFilter() |
| { |
| return EasyMock.mock(Filter.class); |
| } |
| } |