org.apache.hadoop.hive.ql.optimizer.pcr.PcrOpWalkerCtx 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.optimizer.pcr;
import java.util.List;
import org.apache.hadoop.hive.ql.exec.FilterOperator;
import org.apache.hadoop.hive.ql.exec.Operator;
import org.apache.hadoop.hive.ql.lib.NodeProcessorCtx;
import org.apache.hadoop.hive.ql.parse.ParseContext;
import org.apache.hadoop.hive.ql.plan.OperatorDesc;
/**
* Context class for operator tree walker for partition condition remover.
*/
public class PcrOpWalkerCtx implements NodeProcessorCtx {
static public class OpToDeleteInfo {
private final Operator parent;
private final FilterOperator operator;
public OpToDeleteInfo(Operator parent,
FilterOperator operator) {
super();
this.parent = parent;
this.operator = operator;
}
public Operator getParent() {
return parent;
}
public FilterOperator getOperator() {
return operator;
}
}
private final ParseContext parseContext;
private final List opToRemove;
/**
* Constructor.
*/
public PcrOpWalkerCtx(ParseContext parseContext,
List opToRemove) {
this.parseContext = parseContext;
this.opToRemove = opToRemove;
}
public ParseContext getParseContext() {
return parseContext;
}
public List getOpToRemove() {
return opToRemove;
}
}