org.apache.hadoop.hive.ql.exec
Class UnionOperator
java.lang.Object
org.apache.hadoop.hive.ql.exec.Operator<unionDesc>
org.apache.hadoop.hive.ql.exec.UnionOperator
- All Implemented Interfaces:
- Serializable, Node
public class UnionOperator
- extends Operator<unionDesc>
- implements Serializable
Union Operator
Just forwards. Doesn't do anything itself.
- See Also:
- Serialized Form
Fields inherited from class org.apache.hadoop.hive.ql.exec.Operator |
alias, childOperators, conf, done, gWork, id, joinAlias, LOG, out, parentOperators, reporter, statsMap |
Methods inherited from class org.apache.hadoop.hive.ql.exec.Operator |
close, dump, endGroup, forward, getChildOperators, getChildren, getConf, getDone, getParentOperators, getSchema, getStats, initialize, jobClose, logStats, preorderMap, resetStats, setAlias, setChildOperators, setConf, setDone, setId, setJoinAlias, setMapredWork, setOutputCollector, setParentOperators, setSchema, startGroup |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
UnionOperator
public UnionOperator()
process
public void process(Object row,
ObjectInspector rowInspector)
throws HiveException
- Specified by:
process
in class Operator<unionDesc>
- Throws:
HiveException
getName
public String getName()
- Description copied from class:
Operator
- Implements the getName function for the Node Interface.
- Specified by:
getName
in interface Node
- Overrides:
getName
in class Operator<unionDesc>
- Returns:
- the name of the operator
Copyright © 2009 The Apache Software Foundation