/**
* 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.hadoop.hive.ql.exec.vector;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hive.ql.CompilationOpContext;
import org.apache.hadoop.hive.ql.exec.SparkHashTableSinkOperator;
import org.apache.hadoop.hive.ql.metadata.HiveException;
import org.apache.hadoop.hive.ql.plan.OperatorDesc;
import org.apache.hadoop.hive.ql.plan.SparkHashTableSinkDesc;
import org.apache.hadoop.hive.serde2.objectinspector.StructObjectInspector;
import com.google.common.annotations.VisibleForTesting;
/**
* Vectorized version of SparkHashTableSinkOperator
* Currently the implementation just delegates all the work to super class
*
* Copied from VectorFileSinkOperator
*/
public class VectorSparkHashTableSinkOperator extends SparkHashTableSinkOperator {
private static final long serialVersionUID = 1L;
private VectorizationContext vContext;
// The above members are initialized by the constructor and must not be
// transient.
//---------------------------------------------------------------------------
private transient boolean firstBatch;
private transient VectorExtractRow vectorExtractRow;
protected transient Object[] singleRow;
/** Kryo ctor. */
@VisibleForTesting
public VectorSparkHashTableSinkOperator() {
super();
}
public VectorSparkHashTableSinkOperator(CompilationOpContext ctx) {
super(ctx);
}
public VectorSparkHashTableSinkOperator(
CompilationOpContext ctx, VectorizationContext vContext, OperatorDesc conf) {
this(ctx);
this.vContext = vContext;
this.conf = (SparkHashTableSinkDesc) conf;
}
@Override
protected void initializeOp(Configuration hconf) throws HiveException {
inputObjInspectors[0] =
VectorizedBatchUtil.convertToStandardStructObjectInspector((StructObjectInspector) inputObjInspectors[0]);
super.initializeOp(hconf);
firstBatch = true;
}
@Override
public void process(Object row, int tag) throws HiveException {
VectorizedRowBatch batch = (VectorizedRowBatch) row;
if (firstBatch) {
vectorExtractRow = new VectorExtractRow();
vectorExtractRow.init((StructObjectInspector) inputObjInspectors[0], vContext.getProjectedColumns());
singleRow = new Object[vectorExtractRow.getCount()];
firstBatch = false;
}
if (batch.selectedInUse) {
int selected[] = batch.selected;
for (int logical = 0 ; logical < batch.size; logical++) {
int batchIndex = selected[logical];
vectorExtractRow.extractRow(batch, batchIndex, singleRow);
super.process(singleRow, tag);
}
} else {
for (int batchIndex = 0 ; batchIndex < batch.size; batchIndex++) {
vectorExtractRow.extractRow(batch, batchIndex, singleRow);
super.process(singleRow, tag);
}
}
}
}