/**
* 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.reducesink;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hive.ql.CompilationOpContext;
import org.apache.hadoop.hive.ql.exec.vector.VectorizationContext;
import org.apache.hadoop.hive.ql.exec.vector.keyseries.VectorKeySeriesLongSerialized;
import org.apache.hadoop.hive.ql.metadata.HiveException;
import org.apache.hadoop.hive.ql.plan.OperatorDesc;
import org.apache.hadoop.hive.serde2.binarysortable.fast.BinarySortableSerializeWrite;
import org.apache.hadoop.hive.serde2.typeinfo.PrimitiveTypeInfo;
/*
* Specialized class for native vectorized reduce sink that is reducing on a Uniform Hash
* single long key column.
*/
public class VectorReduceSinkLongOperator extends VectorReduceSinkUniformHashOperator {
private static final long serialVersionUID = 1L;
private static final String CLASS_NAME = VectorReduceSinkLongOperator.class.getName();
private static final Log LOG = LogFactory.getLog(CLASS_NAME);
// The column number and type information for this one column long reduce key.
private transient int singleKeyColumn;
private transient PrimitiveTypeInfo singleKeyColumnPrimitiveTypeInfo;
// The above members are initialized by the constructor and must not be
// transient.
//---------------------------------------------------------------------------
//---------------------------------------------------------------------------
// Pass-thru constructors.
//
/** Kryo ctor. */
protected VectorReduceSinkLongOperator() {
super();
}
public VectorReduceSinkLongOperator(CompilationOpContext ctx) {
super(ctx);
}
public VectorReduceSinkLongOperator(CompilationOpContext ctx,
VectorizationContext vContext, OperatorDesc conf) throws HiveException {
super(ctx, vContext, conf);
}
@Override
protected void initializeOp(Configuration hconf) throws HiveException {
super.initializeOp(hconf);
singleKeyColumn = reduceSinkKeyColumnMap[0];
singleKeyColumnPrimitiveTypeInfo = (PrimitiveTypeInfo) reduceSinkKeyTypeInfos[0];
serializedKeySeries =
new VectorKeySeriesLongSerialized<BinarySortableSerializeWrite>(
singleKeyColumn, singleKeyColumnPrimitiveTypeInfo, keyBinarySortableSerializeWrite);
}
}