| /* |
| * 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 org.apache.drill.categories.VectorTest; |
| import org.apache.drill.common.types.TypeProtos.DataMode; |
| import org.apache.drill.common.types.TypeProtos.MinorType; |
| import org.apache.drill.exec.record.metadata.SchemaBuilder; |
| import org.apache.drill.exec.vector.BaseDataValueVector; |
| import org.apache.drill.exec.vector.IntVector; |
| import org.apache.drill.exec.vector.NullableVarCharVector; |
| import org.apache.drill.exec.vector.RepeatedVarCharVector; |
| import org.apache.drill.exec.vector.UInt4Vector; |
| import org.apache.drill.exec.vector.VarCharVector; |
| import org.apache.drill.test.SubOperatorTest; |
| import org.junit.Test; |
| |
| import io.netty.buffer.DrillBuf; |
| import org.junit.experimental.categories.Category; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| @Category(VectorTest.class) |
| public class TestFillEmpties extends SubOperatorTest { |
| private static final Logger logger = LoggerFactory.getLogger(TestFillEmpties.class); |
| |
| @Test |
| public void testNullableVarChar() { |
| NullableVarCharVector vector = new NullableVarCharVector(SchemaBuilder.columnSchema("a", MinorType.VARCHAR, DataMode.OPTIONAL), fixture.allocator()); |
| vector.allocateNew( ); |
| |
| // Create "foo", null, "bar", but omit the null. |
| |
| NullableVarCharVector.Mutator mutator = vector.getMutator(); |
| byte[] value = makeValue( "foo" ); |
| mutator.setSafe(0, value, 0, value.length); |
| |
| value = makeValue("bar"); |
| mutator.setSafe(2, value, 0, value.length); |
| |
| visualize(vector, 3); |
| verifyOffsets(vector.getValuesVector().getOffsetVector(), new int[] {0, 3, 3, 6}); |
| vector.close(); |
| } |
| |
| @Test |
| public void testVarChar() { |
| VarCharVector vector = new VarCharVector(SchemaBuilder.columnSchema("a", MinorType.VARCHAR, DataMode.REQUIRED), fixture.allocator()); |
| vector.allocateNew( ); |
| |
| // Create "foo", null, "bar", but omit the null. |
| |
| VarCharVector.Mutator mutator = vector.getMutator(); |
| byte[] value = makeValue( "foo" ); |
| mutator.setSafe(0, value, 0, value.length); |
| |
| // Work around: test fails without this. But, only the new column writers |
| // call this method. |
| |
| mutator.fillEmpties(0, 2); |
| value = makeValue("bar"); |
| mutator.setSafe(2, value, 0, value.length); |
| |
| visualize(vector, 3); |
| verifyOffsets(vector.getOffsetVector(), new int[] {0, 3, 3, 6}); |
| vector.close(); |
| } |
| |
| @Test |
| public void testInt() { |
| IntVector vector = new IntVector(SchemaBuilder.columnSchema("a", MinorType.INT, DataMode.REQUIRED), fixture.allocator()); |
| vector.allocateNew( ); |
| |
| // Create 1, 0, 2, but omit the 0. |
| |
| IntVector.Mutator mutator = vector.getMutator(); |
| mutator.setSafe(0, 1); |
| |
| mutator.setSafe(2, 3); |
| |
| visualize(vector, 3); |
| vector.close(); |
| } |
| |
| @Test |
| public void testRepeatedVarChar() { |
| RepeatedVarCharVector vector = new RepeatedVarCharVector(SchemaBuilder.columnSchema("a", MinorType.VARCHAR, DataMode.REPEATED), fixture.allocator()); |
| vector.allocateNew( ); |
| |
| // Create "foo", null, "bar", but omit the null. |
| |
| RepeatedVarCharVector.Mutator mutator = vector.getMutator(); |
| mutator.startNewValue(0); |
| byte[] value = makeValue( "a" ); |
| mutator.addSafe(0, value, 0, value.length); |
| value = makeValue( "b" ); |
| mutator.addSafe(0, value, 0, value.length); |
| |
| // Work around: test fails without this. But, only the new column writers |
| // call this method. |
| |
| mutator.fillEmpties(0, 2); |
| mutator.startNewValue(2); |
| value = makeValue( "c" ); |
| mutator.addSafe(2, value, 0, value.length); |
| value = makeValue( "d" ); |
| mutator.addSafe(2, value, 0, value.length); |
| |
| visualize(vector, 3); |
| verifyOffsets(vector.getOffsetVector(), new int[] {0, 2, 2, 4}); |
| verifyOffsets(vector.getDataVector().getOffsetVector(), new int[] {0, 1, 2, 3, 4}); |
| vector.close(); |
| } |
| |
| private void visualize(RepeatedVarCharVector vector, int valueCount) { |
| visualize("Array Offsets", vector.getOffsetVector(), valueCount + 1); |
| visualize(vector.getDataVector(), vector.getOffsetVector().getAccessor().get(valueCount)); |
| } |
| |
| private void visualize(IntVector vector, int valueCount) { |
| final StringBuilder sb = new StringBuilder(); |
| sb.append("Values: ["); |
| IntVector.Accessor accessor = vector.getAccessor(); |
| for (int i = 0; i < valueCount; i++) { |
| if (i > 0) { sb.append(" "); } |
| sb.append(accessor.get(i)); |
| } |
| sb.append("]"); |
| logger.info(sb.toString()); |
| } |
| |
| private void visualize(NullableVarCharVector vector, int valueCount) { |
| visualize("Is-set", vector.getAccessor(), valueCount); |
| visualize(vector.getValuesVector(), valueCount); |
| } |
| |
| private void visualize(VarCharVector vector, int valueCount) { |
| visualize("Offsets", vector.getOffsetVector(), valueCount + 1); |
| visualize("Data", vector.getBuffer(), vector.getOffsetVector().getAccessor().get(valueCount)); |
| } |
| |
| private void visualize(String label, UInt4Vector offsetVector, |
| int valueCount) { |
| final StringBuilder sb = new StringBuilder(); |
| sb.append(label + ": ["); |
| UInt4Vector.Accessor accessor = offsetVector.getAccessor(); |
| for (int i = 0; i < valueCount; i++) { |
| if (i > 0) { sb.append(" "); } |
| sb.append(accessor.get(i)); |
| } |
| sb.append("]"); |
| logger.info(sb.toString()); |
| } |
| |
| private void visualize(String label, DrillBuf buffer, int valueCount) { |
| final StringBuilder sb = new StringBuilder(); |
| sb.append(label + ": ["); |
| for (int i = 0; i < valueCount; i++) { |
| if (i > 0) { sb.append(" "); } |
| sb.append((char) buffer.getByte(i)); |
| } |
| sb.append("]"); |
| logger.info(sb.toString()); |
| } |
| |
| private void visualize(String label, BaseDataValueVector.BaseAccessor accessor, int valueCount) { |
| final StringBuilder sb = new StringBuilder(); |
| sb.append(label + ": ["); |
| for (int i = 0; i < valueCount; i++) { |
| if (i > 0) { sb.append(" "); } |
| sb.append(accessor.isNull(i) ? 0 : 1); |
| } |
| sb.append("]"); |
| logger.info(sb.toString()); |
| } |
| |
| private void verifyOffsets(UInt4Vector offsetVector, int[] expected) { |
| UInt4Vector.Accessor accessor = offsetVector.getAccessor(); |
| for (int i = 0; i < expected.length; i++) { |
| assertEquals(expected[i], accessor.get(i)); |
| } |
| } |
| |
| /** |
| * Create a test value. Works only for the ASCII subset of characters, obviously. |
| * @param string |
| * @return |
| */ |
| private byte[] makeValue(String string) { |
| byte value[] = new byte[string.length()]; |
| for (int i = 0; i < value.length; i++) { |
| value[i] = (byte) string.charAt(i); |
| } |
| return value; |
| } |
| } |