org.apache.pig.backend.local.executionengine
Class POUnion
java.lang.Object
org.apache.pig.impl.physicalLayer.PhysicalOperator
org.apache.pig.backend.local.executionengine.POUnion
- All Implemented Interfaces:
- Serializable, ExecPhysicalOperator
public class POUnion
- extends PhysicalOperator
- See Also:
- Serialized Form
Constructor Summary |
POUnion(String scope,
long id,
Map<OperatorKey,ExecPhysicalOperator> opTable,
int numInputs,
int outputType)
|
POUnion(String scope,
long id,
Map<OperatorKey,ExecPhysicalOperator> opTable,
OperatorKey[] inputsIn,
int outputType)
|
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
POUnion
public POUnion(String scope,
long id,
Map<OperatorKey,ExecPhysicalOperator> opTable,
OperatorKey[] inputsIn,
int outputType)
POUnion
public POUnion(String scope,
long id,
Map<OperatorKey,ExecPhysicalOperator> opTable,
int numInputs,
int outputType)
open
public boolean open()
throws IOException
- Overrides:
open
in class PhysicalOperator
- Throws:
IOException
getNext
public Tuple getNext()
throws IOException
- Specified by:
getNext
in class PhysicalOperator
- Throws:
IOException
visit
public void visit(POVisitor v)
- Specified by:
visit
in class PhysicalOperator
Copyright © ${year} The Apache Software Foundation