| /* |
| * 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.physical.resultSet.impl; |
| |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertSame; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| import org.apache.drill.test.BaseTest; |
| import org.apache.drill.common.exceptions.EmptyErrorContext; |
| import org.apache.drill.common.exceptions.UserException; |
| import org.apache.drill.common.types.TypeProtos.MinorType; |
| import org.apache.drill.common.types.Types; |
| import org.apache.drill.exec.physical.resultSet.impl.ProjectionFilter.CompoundProjectionFilter; |
| import org.apache.drill.exec.physical.resultSet.impl.ProjectionFilter.DirectProjectionFilter; |
| import org.apache.drill.exec.physical.resultSet.impl.ProjectionFilter.ProjResult; |
| import org.apache.drill.exec.physical.resultSet.impl.ProjectionFilter.SchemaProjectionFilter; |
| import org.apache.drill.exec.physical.resultSet.impl.ProjectionFilter.TypeProjectionFilter; |
| import org.apache.drill.exec.physical.resultSet.project.Projections; |
| import org.apache.drill.exec.physical.resultSet.project.RequestedTuple; |
| import org.apache.drill.exec.physical.rowSet.RowSetTestUtils; |
| import org.apache.drill.exec.record.metadata.ColumnMetadata; |
| import org.apache.drill.exec.record.metadata.MetadataUtils; |
| import org.apache.drill.exec.record.metadata.SchemaBuilder; |
| import org.apache.drill.exec.record.metadata.TupleMetadata; |
| import org.apache.drill.exec.record.metadata.TupleSchema; |
| import org.junit.Test; |
| |
| public class TestProjectionFilter extends BaseTest{ |
| private static final ColumnMetadata A_COL = MetadataUtils.newScalar("a", Types.required(MinorType.INT)); |
| private static final ColumnMetadata B_COL = MetadataUtils.newScalar("b", Types.optional(MinorType.VARCHAR)); |
| private static final ColumnMetadata MAP_COL = MetadataUtils.newMap("m", new TupleSchema()); |
| private static final ColumnMetadata MAP_COL2 = MetadataUtils.newMap("m2", new TupleSchema()); |
| |
| @Test |
| public void testImplicitAll() { |
| ProjectionFilter filter = ProjectionFilter.PROJECT_ALL; |
| assertTrue(filter.isProjected("a")); |
| assertTrue(filter.projection(A_COL).isProjected); |
| ColumnMetadata specialCol = MetadataUtils.newScalar("special", Types.optional(MinorType.BIGINT)); |
| specialCol.setBooleanProperty(ColumnMetadata.EXCLUDE_FROM_WILDCARD, true); |
| assertFalse(filter.projection(specialCol).isProjected); |
| assertFalse(filter.isEmpty()); |
| ProjResult result = filter.projection(MAP_COL); |
| assertTrue(result.isProjected); |
| assertSame(ProjectionFilter.PROJECT_ALL, result.mapFilter); |
| } |
| |
| @Test |
| public void testImplicitNone() { |
| ProjectionFilter filter = ProjectionFilter.PROJECT_NONE; |
| assertFalse(filter.isProjected("a")); |
| assertFalse(filter.projection(A_COL).isProjected); |
| assertTrue(filter.isEmpty()); |
| ProjResult result = filter.projection(MAP_COL); |
| assertFalse(result.isProjected); |
| assertSame(ProjectionFilter.PROJECT_NONE, result.mapFilter); |
| } |
| |
| @Test |
| public void testProjectList() { |
| RequestedTuple projSet = Projections.parse( |
| RowSetTestUtils.projectList("a", "c", "m.a")); |
| ProjectionFilter filter = new DirectProjectionFilter(projSet, EmptyErrorContext.INSTANCE); |
| assertTrue(filter.isProjected("a")); |
| assertTrue(filter.projection(A_COL).isProjected); |
| assertFalse(filter.isProjected("b")); |
| assertFalse(filter.projection(B_COL).isProjected); |
| assertFalse(filter.isEmpty()); |
| |
| ProjResult result = filter.projection(MAP_COL); |
| assertTrue(result.isProjected); |
| ProjectionFilter child = result.mapFilter; |
| assertTrue(child.isProjected("a")); |
| assertFalse(child.isProjected("b")); |
| |
| result = filter.projection(MAP_COL2); |
| assertFalse(result.isProjected); |
| assertSame(ProjectionFilter.PROJECT_NONE, result.mapFilter); |
| } |
| @Test |
| public void testGenericMap() { |
| RequestedTuple projSet = Projections.parse( |
| RowSetTestUtils.projectList("a", "m")); |
| ProjectionFilter filter = new DirectProjectionFilter(projSet, EmptyErrorContext.INSTANCE); |
| assertTrue(filter.isProjected("a")); |
| |
| ProjResult result = filter.projection(MAP_COL); |
| assertTrue(result.isProjected); |
| assertSame(ProjectionFilter.PROJECT_ALL, result.mapFilter); |
| } |
| |
| @Test |
| public void testEmptyProjectList() { |
| ProjectionFilter filter = new DirectProjectionFilter(Projections.projectNone(), EmptyErrorContext.INSTANCE); |
| assertFalse(filter.isProjected("a")); |
| assertFalse(filter.projection(A_COL).isProjected); |
| assertTrue(filter.isEmpty()); |
| ProjResult result = filter.projection(MAP_COL); |
| assertFalse(result.isProjected); |
| assertSame(ProjectionFilter.PROJECT_NONE, result.mapFilter); |
| } |
| |
| @Test |
| public void testTypeFilter() { |
| TupleMetadata schema = new SchemaBuilder() |
| .add(A_COL.copy()) |
| .add(B_COL.copy()) |
| .addMap("m") |
| .add("a", MinorType.INT) |
| .resumeSchema() |
| .build(); |
| ProjectionFilter filter = new TypeProjectionFilter(schema, EmptyErrorContext.INSTANCE); |
| assertFalse(filter.isEmpty()); |
| assertTrue(filter.isProjected("a")); |
| assertTrue(filter.projection(A_COL).isProjected); |
| assertTrue(filter.isProjected("b")); |
| assertTrue(filter.projection(B_COL).isProjected); |
| assertTrue(filter.isProjected("c")); |
| assertTrue(filter.projection( |
| MetadataUtils.newScalar("c", Types.required(MinorType.BIGINT))).isProjected); |
| |
| ColumnMetadata typeConflict = MetadataUtils.newScalar("a", Types.required(MinorType.BIGINT)); |
| try { |
| filter.projection(typeConflict); |
| fail(); |
| } catch (UserException e) { |
| assertTrue(e.getMessage().contains("conflict")); |
| } |
| |
| ColumnMetadata modeConflict = MetadataUtils.newScalar("a", Types.optional(MinorType.INT)); |
| try { |
| filter.projection(modeConflict); |
| fail(); |
| } catch (UserException e) { |
| assertTrue(e.getMessage().contains("conflict")); |
| } |
| |
| ProjResult result = filter.projection(MAP_COL); |
| assertTrue(result.isProjected); |
| ProjectionFilter child = result.mapFilter; |
| assertTrue(child.isProjected("a")); |
| assertTrue(child.isProjected("b")); |
| |
| result = filter.projection(MAP_COL2); |
| assertTrue(result.isProjected); |
| assertSame(ProjectionFilter.PROJECT_ALL, result.mapFilter); |
| |
| try { |
| ColumnMetadata aMap = MetadataUtils.newMap("a", new TupleSchema()); |
| filter.projection(aMap); |
| fail(); |
| } catch (UserException e) { |
| assertTrue(e.getMessage().contains("type conflict")); |
| } |
| } |
| |
| @Test |
| public void testSchemaFilter() { |
| TupleMetadata schema = new SchemaBuilder() |
| .add(A_COL.copy()) |
| .add(B_COL.copy()) |
| .addMap("m") |
| .add("a", MinorType.INT) |
| .resumeSchema() |
| .build(); |
| ProjectionFilter filter = new SchemaProjectionFilter(schema, EmptyErrorContext.INSTANCE); |
| assertFalse(filter.isEmpty()); |
| assertTrue(filter.isProjected("a")); |
| assertTrue(filter.projection(A_COL).isProjected); |
| assertTrue(filter.isProjected("b")); |
| assertTrue(filter.projection(B_COL).isProjected); |
| assertFalse(filter.isProjected("c")); |
| assertFalse(filter.projection(MetadataUtils.newScalar("c", Types.required(MinorType.BIGINT))).isProjected); |
| |
| ColumnMetadata typeConflict = MetadataUtils.newScalar("a", Types.required(MinorType.BIGINT)); |
| try { |
| filter.projection(typeConflict); |
| fail(); |
| } catch (UserException e) { |
| assertTrue(e.getMessage().contains("conflict")); |
| } |
| |
| ColumnMetadata modeConflict = MetadataUtils.newScalar("a", Types.optional(MinorType.INT)); |
| try { |
| filter.projection(modeConflict); |
| fail(); |
| } catch (UserException e) { |
| assertTrue(e.getMessage().contains("conflict")); |
| } |
| |
| try { |
| ColumnMetadata aMap = MetadataUtils.newMap("a", new TupleSchema()); |
| filter.projection(aMap); |
| fail(); |
| } catch (UserException e) { |
| assertTrue(e.getMessage().contains("type conflict")); |
| } |
| |
| ProjResult result = filter.projection(MAP_COL); |
| assertTrue(result.isProjected); |
| ProjectionFilter child = result.mapFilter; |
| assertTrue(child.isProjected("a")); |
| assertFalse(child.isProjected("b")); |
| } |
| |
| @Test |
| public void testCompoundFilterMixed1() { |
| ProjectionFilter filter = new CompoundProjectionFilter( |
| ProjectionFilter.PROJECT_ALL, ProjectionFilter.PROJECT_NONE); |
| assertFalse(filter.isProjected("a")); |
| assertFalse(filter.projection(A_COL).isProjected); |
| assertTrue(filter.isEmpty()); |
| ProjResult result = filter.projection(MAP_COL); |
| assertFalse(result.isProjected); |
| assertSame(ProjectionFilter.PROJECT_NONE, result.mapFilter); |
| } |
| |
| @Test |
| public void testCompoundFilterMixed2() { |
| ProjectionFilter filter = new CompoundProjectionFilter( |
| ProjectionFilter.PROJECT_NONE, ProjectionFilter.PROJECT_ALL); |
| assertFalse(filter.isProjected("a")); |
| assertFalse(filter.projection(A_COL).isProjected); |
| assertTrue(filter.isEmpty()); |
| ProjResult result = filter.projection(MAP_COL); |
| assertFalse(result.isProjected); |
| assertSame(ProjectionFilter.PROJECT_NONE, result.mapFilter); |
| } |
| |
| @Test |
| public void testCompoundPermissive() { |
| ProjectionFilter filter = new CompoundProjectionFilter( |
| ProjectionFilter.PROJECT_ALL, ProjectionFilter.PROJECT_ALL); |
| assertTrue(filter.isProjected("a")); |
| assertTrue(filter.projection(A_COL).isProjected); |
| ColumnMetadata specialCol = MetadataUtils.newScalar("special", Types.optional(MinorType.BIGINT)); |
| specialCol.setBooleanProperty(ColumnMetadata.EXCLUDE_FROM_WILDCARD, true); |
| assertFalse(filter.projection(specialCol).isProjected); |
| assertFalse(filter.isEmpty()); |
| ProjResult result = filter.projection(MAP_COL); |
| assertTrue(result.isProjected); |
| assertSame(ProjectionFilter.PROJECT_ALL, result.mapFilter); |
| } |
| |
| @Test |
| public void testCompoundMap() { |
| TupleMetadata schema = new SchemaBuilder() |
| .add(A_COL.copy()) |
| .add(B_COL.copy()) |
| .addMap("m") |
| .add("a", MinorType.INT) |
| .add("b", MinorType.INT) |
| .resumeSchema() |
| .build(); |
| ProjectionFilter filter = new CompoundProjectionFilter( |
| new DirectProjectionFilter(Projections.parse( |
| RowSetTestUtils.projectList("a", "c", "m.a")), EmptyErrorContext.INSTANCE), |
| new SchemaProjectionFilter(schema, EmptyErrorContext.INSTANCE)); |
| |
| ProjResult result = filter.projection(MAP_COL); |
| assertTrue(result.isProjected); |
| assertTrue(result.mapFilter.isProjected("a")); |
| } |
| |
| @Test |
| public void testBuilders() { |
| assertSame(ProjectionFilter.PROJECT_ALL, |
| ProjectionFilter.projectionFilter(Projections.projectAll(), EmptyErrorContext.INSTANCE)); |
| assertSame(ProjectionFilter.PROJECT_NONE, |
| ProjectionFilter.projectionFilter(Projections.projectNone(), EmptyErrorContext.INSTANCE)); |
| assertTrue( |
| ProjectionFilter.projectionFilter(Projections.parse( |
| RowSetTestUtils.projectList("a")), EmptyErrorContext.INSTANCE) |
| instanceof DirectProjectionFilter); |
| |
| TupleMetadata schema = new SchemaBuilder() |
| .add(A_COL.copy()) |
| .add(B_COL.copy()) |
| .build(); |
| assertSame(ProjectionFilter.PROJECT_NONE, |
| ProjectionFilter.definedSchemaFilter(new TupleSchema(), EmptyErrorContext.INSTANCE)); |
| assertTrue( |
| ProjectionFilter.definedSchemaFilter(schema, EmptyErrorContext.INSTANCE) |
| instanceof SchemaProjectionFilter); |
| |
| assertTrue( |
| ProjectionFilter.providedSchemaFilter(Projections.projectAll(), schema, |
| EmptyErrorContext.INSTANCE) instanceof CompoundProjectionFilter); |
| assertSame(ProjectionFilter.PROJECT_NONE, |
| ProjectionFilter.providedSchemaFilter(Projections.projectNone(), schema, |
| EmptyErrorContext.INSTANCE)); |
| assertSame(ProjectionFilter.PROJECT_ALL, |
| ProjectionFilter.providedSchemaFilter(Projections.projectAll(), new TupleSchema(), |
| EmptyErrorContext.INSTANCE)); |
| TupleMetadata strictEmpty = new TupleSchema(); |
| strictEmpty.setBooleanProperty(TupleMetadata.IS_STRICT_SCHEMA_PROP, true); |
| assertSame(ProjectionFilter.PROJECT_NONE, |
| ProjectionFilter.providedSchemaFilter(Projections.projectAll(), strictEmpty, |
| EmptyErrorContext.INSTANCE)); |
| assertTrue( |
| ProjectionFilter.providedSchemaFilter(Projections.parse( |
| RowSetTestUtils.projectList("a")), |
| schema, EmptyErrorContext.INSTANCE) |
| instanceof CompoundProjectionFilter); |
| } |
| } |