org.apache.hadoop.hive.ql.optimizer.ppr
Class ExprProcFactory.GenericFuncExprProcessor
java.lang.Object
org.apache.hadoop.hive.ql.optimizer.ppr.ExprProcFactory.GenericFuncExprProcessor
- All Implemented Interfaces:
- NodeProcessor
- Enclosing class:
- ExprProcFactory
public static class ExprProcFactory.GenericFuncExprProcessor
- extends Object
- implements NodeProcessor
If all children are candidates and refer only to one table alias then this
expr is a candidate else it is not a candidate but its children could be
final candidates.
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
ExprProcFactory.GenericFuncExprProcessor
public ExprProcFactory.GenericFuncExprProcessor()
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
- 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 © 2010 The Apache Software Foundation