| /* |
| * 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.impl.scan.v3.schema; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertSame; |
| import static org.junit.Assert.assertTrue; |
| |
| import org.apache.drill.test.BaseTest; |
| import org.apache.drill.categories.EvfTest; |
| import org.apache.drill.common.exceptions.EmptyErrorContext; |
| import org.apache.drill.common.types.TypeProtos.MinorType; |
| import org.apache.drill.common.types.Types; |
| import org.apache.drill.exec.physical.impl.scan.v3.schema.DynamicSchemaFilter.DynamicTupleFilter; |
| import org.apache.drill.exec.physical.impl.scan.v3.schema.ScanProjectionParser.ProjectionParseResult; |
| import org.apache.drill.exec.physical.resultSet.impl.ProjectionFilter; |
| import org.apache.drill.exec.physical.resultSet.impl.ProjectionFilter.ProjResult; |
| 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.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| @Category(EvfTest.class) |
| public class TestDynamicSchemaFilter 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 SPECIAL_COLUMN = |
| MetadataUtils.newScalar("special", Types.required(MinorType.INT)); |
| private static final ColumnMetadata SPECIAL_COLUMN2 = |
| MetadataUtils.newScalar("special2", Types.required(MinorType.INT)); |
| private static final ColumnMetadata MAP_COL = new SchemaBuilder() |
| .addMap("m") |
| .add("x", MinorType.BIGINT) |
| .add("y", MinorType.VARCHAR) |
| .resumeSchema() |
| .build() |
| .metadata("m"); |
| |
| static { |
| SchemaUtils.markExcludeFromWildcard(SPECIAL_COLUMN); |
| SchemaUtils.markExcludeFromWildcard(SPECIAL_COLUMN2); |
| } |
| |
| @Test |
| public void testProjectAll() { |
| ProjectionFilter filter =ProjectionFilter.PROJECT_ALL; |
| assertFalse(filter.isEmpty()); |
| |
| assertTrue(filter.isProjected(A_COL.name())); |
| ProjResult result = filter.projection(A_COL); |
| assertTrue(result.isProjected); |
| assertNull(result.projection); |
| |
| assertTrue(filter.isProjected(MAP_COL.name())); |
| result = filter.projection(MAP_COL); |
| assertTrue(result.isProjected); |
| assertNull(result.projection); |
| assertSame(ProjectionFilter.PROJECT_ALL, result.mapFilter); |
| |
| // "Special" columns are projected only by name, but rely on |
| // a property in the column itself, so give inconsistent answers |
| // from the filter. |
| assertTrue(filter.isProjected(SPECIAL_COLUMN.name())); |
| result = filter.projection(SPECIAL_COLUMN); |
| assertFalse(result.isProjected); |
| } |
| |
| @Test |
| public void testEmptyProjectList() { |
| ProjectionFilter filter = ProjectionFilter.PROJECT_NONE; |
| assertTrue(filter.isEmpty()); |
| |
| assertFalse(filter.isProjected(A_COL.name())); |
| ProjResult result = filter.projection(A_COL); |
| assertFalse(result.isProjected); |
| |
| assertFalse(filter.isProjected(MAP_COL.name())); |
| result = filter.projection(MAP_COL); |
| assertFalse(result.isProjected); |
| assertSame(ProjectionFilter.PROJECT_NONE, result.mapFilter); |
| |
| assertFalse(filter.isProjected(SPECIAL_COLUMN.name())); |
| result = filter.projection(SPECIAL_COLUMN); |
| assertFalse(result.isProjected); |
| } |
| |
| @Test |
| public void testProjectList() { |
| ProjectionParseResult parseResult = ScanProjectionParser.parse( |
| RowSetTestUtils.projectList("a", "c", "m", "special")); |
| ProjectionFilter filter = new DynamicTupleFilter( |
| parseResult.dynamicSchema, EmptyErrorContext.INSTANCE); |
| assertFalse(filter.isEmpty()); |
| |
| assertTrue(filter.isProjected(A_COL.name())); |
| ProjResult result = filter.projection(A_COL); |
| assertTrue(result.isProjected); |
| assertNotNull(result.projection); |
| assertTrue(result.projection.isDynamic()); |
| assertEquals(A_COL.name(), result.projection.name()); |
| |
| assertFalse(filter.isProjected(B_COL.name())); |
| result = filter.projection(B_COL); |
| assertFalse(result.isProjected); |
| |
| assertTrue(filter.isProjected(MAP_COL.name())); |
| result = filter.projection(MAP_COL); |
| assertTrue(result.isProjected); |
| assertNotNull(result.projection); |
| assertTrue(result.projection.isDynamic()); |
| assertEquals(MAP_COL.name(), result.projection.name()); |
| assertSame(ProjectionFilter.PROJECT_ALL, result.mapFilter); |
| |
| assertTrue(filter.isProjected(SPECIAL_COLUMN.name())); |
| result = filter.projection(SPECIAL_COLUMN); |
| assertTrue(result.isProjected); |
| assertNotNull(result.projection); |
| assertTrue(result.projection.isDynamic()); |
| assertEquals(SPECIAL_COLUMN.name(), result.projection.name()); |
| |
| assertFalse(filter.isProjected(SPECIAL_COLUMN2.name())); |
| result = filter.projection(SPECIAL_COLUMN2); |
| assertFalse(result.isProjected); |
| } |
| |
| @Test |
| public void testMapProjectList() { |
| ProjectionParseResult parseResult = ScanProjectionParser.parse( |
| RowSetTestUtils.projectList("m.x")); |
| ProjectionFilter filter = new DynamicTupleFilter( |
| parseResult.dynamicSchema, EmptyErrorContext.INSTANCE); |
| assertFalse(filter.isEmpty()); |
| |
| assertTrue(filter.isProjected(MAP_COL.name())); |
| ProjResult result = filter.projection(MAP_COL); |
| assertTrue(result.isProjected); |
| assertNotNull(result.projection); |
| assertTrue(result.projection.isDynamic()); |
| assertEquals(MAP_COL.name(), result.projection.name()); |
| assertTrue(result.mapFilter instanceof DynamicTupleFilter); |
| |
| ProjectionFilter mapFilter = result.mapFilter; |
| |
| ColumnMetadata x_col = MAP_COL.tupleSchema().metadata("x"); |
| assertTrue(mapFilter.isProjected("x")); |
| result = mapFilter.projection(x_col); |
| assertTrue(result.isProjected); |
| assertNotNull(result.projection); |
| assertTrue(result.projection.isDynamic()); |
| assertEquals(x_col.name(), result.projection.name()); |
| |
| ColumnMetadata y_col = MAP_COL.tupleSchema().metadata("y"); |
| assertFalse(mapFilter.isProjected("y")); |
| result = mapFilter.projection(y_col); |
| assertFalse(result.isProjected); |
| } |
| } |