| /* |
| * 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.svremover; |
| |
| import org.apache.drill.exec.record.VectorAccessible; |
| import org.apache.drill.exec.record.VectorContainer; |
| import org.apache.drill.exec.record.VectorWrapper; |
| import org.apache.drill.exec.record.selection.SelectionVector4; |
| |
| public abstract class AbstractSV4Copier extends AbstractCopier { |
| // Storing VectorWrapper reference instead of ValueVector[]. With EMIT outcome |
| // support underlying operator |
| // operator can generate multiple output batches with no schema changes which |
| // will change the ValueVector[] |
| // reference but not VectorWrapper reference. |
| protected VectorWrapper<?>[] vvIn; |
| private SelectionVector4 sv4; |
| |
| @Override |
| public void setup(VectorAccessible incoming, VectorContainer outgoing) { |
| super.setup(incoming, outgoing); |
| sv4 = incoming.getSelectionVector4(); |
| |
| int count = outgoing.getNumberOfColumns(); |
| vvIn = new VectorWrapper[count]; |
| |
| int index = 0; |
| for (VectorWrapper<?> vectorWrapper: incoming) { |
| vvIn[index++] = vectorWrapper; |
| } |
| } |
| |
| @Override |
| public void copyEntryIndirect(int inIndex, int outIndex) { |
| copyEntry(sv4.get(inIndex), outIndex); |
| } |
| } |