org.apache.hadoop.hive.ql.optimizer.physical
Class CrossProductCheck
java.lang.Object
org.apache.hadoop.hive.ql.optimizer.physical.CrossProductCheck
- All Implemented Interfaces:
- Dispatcher, PhysicalPlanResolver
public class CrossProductCheck
- extends Object
- implements PhysicalPlanResolver, Dispatcher
CrossProductCheck
public CrossProductCheck()
resolve
public PhysicalContext resolve(PhysicalContext pctx)
throws SemanticException
- Description copied from interface:
PhysicalPlanResolver
- All physical plan resolvers have to implement this entry method.
- Specified by:
resolve
in interface PhysicalPlanResolver
- Returns:
- the physical plan
- Throws:
SemanticException
dispatch
public Object dispatch(Node nd,
Stack<Node> stack,
Object... nodeOutputs)
throws SemanticException
- Description copied from interface:
Dispatcher
- Dispatcher function.
- Specified by:
dispatch
in interface Dispatcher
- Parameters:
nd
- operator to process.stack
- operator stack to process.nodeOutputs
- The argument list of outputs from processing other nodes that are
passed to this dispatcher from the walker.
- Returns:
- Object The return object from the processing call.
- Throws:
SemanticException
Copyright © 2014 The Apache Software Foundation. All rights reserved.