org.apache.hadoop.hive.ql.optimizer
Class ColumnPrunerProcFactory.ColumnPrunerJoinProc
java.lang.Object
org.apache.hadoop.hive.ql.optimizer.ColumnPrunerProcFactory.ColumnPrunerJoinProc
- All Implemented Interfaces:
- NodeProcessor
- Enclosing class:
- ColumnPrunerProcFactory
public static class ColumnPrunerProcFactory.ColumnPrunerJoinProc
- extends Object
- implements NodeProcessor
The Node Processor for Column Pruning on Join Operators.
ColumnPrunerProcFactory.ColumnPrunerJoinProc
public ColumnPrunerProcFactory.ColumnPrunerJoinProc()
process
public Object process(Node nd,
Stack<Node> stack,
NodeProcessorCtx ctx,
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
- Parameters:
nd
- operator to processctx
- 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.