| /* |
| * 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; |
| |
| import org.apache.drill.categories.RowSetTest; |
| import org.apache.drill.common.types.TypeProtos.MinorType; |
| import org.apache.drill.exec.ops.OperatorContext; |
| import org.apache.drill.exec.physical.base.AbstractSubScan; |
| import org.apache.drill.exec.physical.base.Scan; |
| import org.apache.drill.exec.physical.impl.OutputMutator; |
| import org.apache.drill.exec.physical.impl.ScanBatch; |
| import org.apache.drill.exec.record.BatchSchema.SelectionVectorMode; |
| import org.apache.drill.exec.record.metadata.SchemaBuilder; |
| import org.apache.drill.exec.record.VectorContainer; |
| import org.apache.drill.exec.record.metadata.TupleMetadata; |
| import org.apache.drill.exec.vector.complex.impl.VectorContainerWriter; |
| import org.apache.drill.exec.vector.complex.writer.BaseWriter; |
| import org.apache.drill.exec.vector.complex.writer.BaseWriter.ListWriter; |
| import org.apache.drill.test.SubOperatorTest; |
| import org.apache.drill.exec.physical.rowSet.RowSet; |
| import org.apache.drill.test.rowSet.RowSetComparison; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| import io.netty.buffer.DrillBuf; |
| |
| import java.nio.charset.StandardCharsets; |
| |
| /** |
| * Test of the "legacy" scan batch writers to ensure that the revised |
| * set follows the same semantics as the original set. |
| */ |
| |
| @Category(RowSetTest.class) |
| public class TestScanBatchWriters extends SubOperatorTest { |
| |
| @Test |
| public void sanityTest() throws Exception { |
| Scan scanConfig = new AbstractSubScan("bob") { |
| |
| @Override |
| public String getOperatorType() { |
| return ""; |
| } |
| }; |
| OperatorContext opContext = fixture.newOperatorContext(scanConfig); |
| |
| // Setup: normally done by ScanBatch |
| |
| VectorContainer container = new VectorContainer(fixture.allocator()); |
| OutputMutator output = new ScanBatch.Mutator(opContext, fixture.allocator(), container); |
| DrillBuf buffer = opContext.getManagedBuffer(); |
| |
| // One-time setup |
| |
| try (VectorContainerWriter writer = new VectorContainerWriter(output)) { |
| |
| // Per-batch |
| |
| writer.allocate(); |
| writer.reset(); |
| BaseWriter.MapWriter map = writer.rootAsMap(); |
| |
| // Write one record (10, "Fred", [100, 110, 120] ) |
| |
| map.integer("a").writeInt(10); |
| byte[] bytes = "Fred".getBytes(StandardCharsets.UTF_8); |
| buffer.setBytes(0, bytes, 0, bytes.length); |
| map.varChar("b").writeVarChar(0, bytes.length, buffer); |
| try (ListWriter list = map.list("c")) { |
| list.startList(); |
| list.integer().writeInt(100); |
| list.integer().writeInt(110); |
| list.integer().writeInt(120); |
| list.endList(); |
| |
| // Write another record: (20, "Wilma", []) |
| |
| writer.setPosition(1); |
| map.integer("a").writeInt(20); |
| bytes = "Wilma".getBytes(StandardCharsets.UTF_8); |
| buffer.setBytes(0, bytes, 0, bytes.length); |
| map.varChar("b").writeVarChar(0, bytes.length, buffer); |
| writer.setValueCount(2); |
| |
| // Wrap-up done by ScanBatch |
| |
| container.setRecordCount(2); |
| container.buildSchema(SelectionVectorMode.NONE); |
| |
| RowSet rowSet = fixture.wrap(container); |
| |
| // Expected |
| |
| TupleMetadata schema = new SchemaBuilder() |
| .addNullable("a", MinorType.INT) |
| .addNullable("b", MinorType.VARCHAR) |
| .addArray("c", MinorType.INT) |
| .buildSchema(); |
| RowSet expected = fixture.rowSetBuilder(schema) |
| .addRow(10, "Fred", new int[] { 100, 110, 120 } ) |
| .addRow(20, "Wilma", null) |
| .build(); |
| |
| new RowSetComparison(expected) |
| .verifyAndClearAll(rowSet); |
| } |
| } finally { |
| opContext.close(); |
| } |
| } |
| } |