org.apache.hadoop.hive.ql.optimizer.physical
Class BucketingSortingOpProcFactory.JoinInferrer
java.lang.Object
org.apache.hadoop.hive.ql.optimizer.physical.BucketingSortingOpProcFactory.DefaultInferrer
org.apache.hadoop.hive.ql.optimizer.physical.BucketingSortingOpProcFactory.JoinInferrer
- All Implemented Interfaces:
- NodeProcessor
- Enclosing class:
- BucketingSortingOpProcFactory
public static class BucketingSortingOpProcFactory.JoinInferrer
- extends BucketingSortingOpProcFactory.DefaultInferrer
- implements NodeProcessor
Processor for Join Operator.
This handles common joins, the tree should look like
ReducSinkOperator
\
.... --- JoinOperator
/
ReduceSink Operator
BucketingSortingOpProcFactory.JoinInferrer
public BucketingSortingOpProcFactory.JoinInferrer()
process
public Object process(Node nd,
Stack<Node> stack,
NodeProcessorCtx procCtx,
Object... nodeOutputs)
throws SemanticException
- Description copied from interface:
NodeProcessor
- Generic process for all ops that don't have specific implementations.
- Specified by:
process
in interface NodeProcessor
- Overrides:
process
in class BucketingSortingOpProcFactory.DefaultInferrer
- Parameters:
nd
- operator to processprocCtx
- operator processor contextnodeOutputs
- A variable argument list of outputs from other nodes in the walk
- Returns:
- Object to be returned by the process call
- Throws:
SemanticException
Copyright © 2014 The Apache Software Foundation. All rights reserved.