org.apache.hadoop.hive.ql.exec.TezDummyStoreOperator Maven / Gradle / Ivy
/**
* 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;
import org.apache.hadoop.hive.ql.metadata.HiveException;
/**
* A dummy store operator same as the dummy store operator but for tez. This is required so that we
* don't check for tez everytime before forwarding a record. In tez records flow down from the dummy
* store operator in processOp phase unlike in map reduce.
*
*/
public class TezDummyStoreOperator extends DummyStoreOperator {
/**
* Unlike the MR counterpoint, on Tez we want processOp to forward
* the records.
*/
@Override
public void process(Object row, int tag) throws HiveException {
super.process(row, tag);
forward(result.o, outputObjInspector);
}
}