| /* |
| * 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.vector; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| import org.apache.drill.common.types.TypeProtos.DataMode; |
| import org.apache.drill.common.types.TypeProtos.MinorType; |
| import org.apache.drill.exec.record.MaterializedField; |
| import org.apache.drill.exec.record.metadata.SchemaBuilder; |
| import org.apache.drill.exec.vector.IntVector; |
| import org.apache.drill.exec.vector.NullableIntVector; |
| import org.apache.drill.exec.vector.NullableVarCharVector; |
| import org.apache.drill.exec.vector.VarCharVector; |
| import org.apache.drill.test.SubOperatorTest; |
| import org.bouncycastle.util.Arrays; |
| import org.junit.Test; |
| |
| public class TestToNullable extends SubOperatorTest { |
| |
| @Test |
| public void testFixedWidth() { |
| MaterializedField intSchema = |
| SchemaBuilder.columnSchema("a", MinorType.INT, DataMode.REQUIRED); |
| @SuppressWarnings("resource") |
| IntVector intVector = new IntVector(intSchema, fixture.allocator()); |
| IntVector.Mutator intMutator = intVector.getMutator(); |
| intVector.allocateNew(100); |
| for (int i = 0; i < 100; i++) { |
| intMutator.set(i, i * 10); |
| } |
| intMutator.setValueCount(100); |
| |
| MaterializedField nullableIntSchema = |
| SchemaBuilder.columnSchema("a", MinorType.INT, DataMode.OPTIONAL); |
| NullableIntVector nullableIntVector = new NullableIntVector(nullableIntSchema, fixture.allocator()); |
| |
| intVector.toNullable(nullableIntVector); |
| |
| assertEquals(0, intVector.getAccessor().getValueCount()); |
| NullableIntVector.Accessor niAccessor = nullableIntVector.getAccessor(); |
| assertEquals(100, niAccessor.getValueCount()); |
| for (int i = 0; i < 100; i++) { |
| assertFalse(niAccessor.isNull(i)); |
| assertEquals(i * 10, niAccessor.get(i)); |
| } |
| |
| nullableIntVector.clear(); |
| |
| // Don't clear the intVector, it should be empty. |
| // If it is not, the test will fail with a memory leak error. |
| } |
| |
| @Test |
| public void testNullable() { |
| MaterializedField nullableIntSchema = |
| SchemaBuilder.columnSchema("a", MinorType.INT, DataMode.OPTIONAL); |
| @SuppressWarnings("resource") |
| NullableIntVector sourceVector = new NullableIntVector(nullableIntSchema, fixture.allocator()); |
| NullableIntVector.Mutator sourceMutator = sourceVector.getMutator(); |
| sourceVector.allocateNew(100); |
| for (int i = 0; i < 100; i++) { |
| sourceMutator.set(i, i * 10); |
| } |
| sourceMutator.setValueCount(100); |
| |
| NullableIntVector destVector = new NullableIntVector(nullableIntSchema, fixture.allocator()); |
| |
| sourceVector.toNullable(destVector); |
| |
| assertEquals(0, sourceVector.getAccessor().getValueCount()); |
| NullableIntVector.Accessor destAccessor = destVector.getAccessor(); |
| assertEquals(100, destAccessor.getValueCount()); |
| for (int i = 0; i < 100; i++) { |
| assertFalse(destAccessor.isNull(i)); |
| assertEquals(i * 10, destAccessor.get(i)); |
| } |
| |
| destVector.clear(); |
| |
| // Don't clear the intVector, it should be empty. |
| // If it is not, the test will fail with a memory leak error. |
| } |
| |
| @Test |
| public void testVariableWidth() { |
| MaterializedField nonNullableSchema = |
| SchemaBuilder.columnSchema("a", MinorType.VARCHAR, DataMode.REQUIRED); |
| @SuppressWarnings("resource") |
| VarCharVector nonNullableVector = new VarCharVector(nonNullableSchema, fixture.allocator()); |
| VarCharVector.Mutator mutator = nonNullableVector.getMutator(); |
| nonNullableVector.allocateNew(100, 20); |
| byte value[] = new byte[20]; |
| for (int i = 0; i < 100; i++) { |
| Arrays.fill(value, (byte)('A' + i % 26)); |
| mutator.setSafe(i, value); |
| } |
| mutator.setValueCount(100); |
| |
| MaterializedField nullableVarCharSchema = |
| SchemaBuilder.columnSchema("a", MinorType.VARCHAR, DataMode.OPTIONAL); |
| NullableVarCharVector nullableVector = new NullableVarCharVector(nullableVarCharSchema, fixture.allocator()); |
| |
| nonNullableVector.toNullable(nullableVector); |
| |
| assertEquals(0, nonNullableVector.getAccessor().getValueCount()); |
| NullableVarCharVector.Accessor nullableAccessor = nullableVector.getAccessor(); |
| assertEquals(100, nullableAccessor.getValueCount()); |
| for (int i = 0; i < 100; i++) { |
| assertFalse(nullableAccessor.isNull(i)); |
| Arrays.fill(value, (byte)('A' + i % 26)); |
| assertTrue(Arrays.areEqual(value, nullableAccessor.get(i))); |
| } |
| |
| nullableVector.clear(); |
| |
| // Don't clear the nonNullableVector, it should be empty. |
| // If it is not, the test will fail with a memory leak error. |
| } |
| } |