org.apache.hadoop.hive.ql.parse.PrunedPartitionList Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
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* 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,
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* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.hive.ql.parse;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import org.apache.hadoop.hive.ql.metadata.Partition;
import org.apache.hadoop.hive.ql.metadata.Table;
/**
* The list of pruned partitions.
*/
public class PrunedPartitionList {
/** Key to identify this partition list. */
private final String ppListKey;
/** Source table. */
private final Table source;
/** Partitions that either satisfy the partition criteria, or may satisfy it. */
private Set partitions;
/** partition columns referred by pruner expr */
private List referred;
/** Whether there are partitions in the list that may or may not satisfy the criteria. */
private boolean hasUnknowns;
public PrunedPartitionList(Table source, Set partitions,
List referred, boolean hasUnknowns) {
this.source = source;
this.ppListKey = null;
this.referred = referred;
this.partitions = partitions;
this.hasUnknowns = hasUnknowns;
}
public PrunedPartitionList(Table source, String key, Set partitions,
List referred, boolean hasUnknowns) {
this.source = source;
this.ppListKey = key;
this.referred = referred;
this.partitions = partitions;
this.hasUnknowns = hasUnknowns;
}
public Table getSourceTable() {
return source;
}
public String getKey() {
return ppListKey;
}
/**
* @return partitions
*/
public Set getPartitions() {
return partitions;
}
/**
* @return all partitions.
*/
public List getNotDeniedPartns() {
return new ArrayList(partitions);
}
/**
* @return Whether there are unknown partitions in {@link #getPartitions()} result.
*/
public boolean hasUnknownPartitions() {
return hasUnknowns;
}
public List getReferredPartCols() {
return referred;
}
}