org.apache.hadoop.hive.ql.optimizer.metainfo.annotation

Class OpTraitsRulesProcFactory.SelectRule

java.lang.Object

org.apache.hadoop.hive.ql.optimizer.metainfo.annotation.OpTraitsRulesProcFactory.SelectRule

All Implemented Interfaces:

NodeProcessor

Enclosing class:

OpTraitsRulesProcFactory

public static class OpTraitsRulesProcFactory.SelectRule
extends Object
implements NodeProcessor

Constructor Summary

Constructors

Constructor and Description
OpTraitsRulesProcFactory.SelectRule()

Method Summary

Methods

Modifier and Type	Method and Description
List<List<String>>	getConvertedColNames(List<List<String>> parentColNames, SelectOperator selOp)
Object	process(Node nd, Stack<Node> stack, NodeProcessorCtx procCtx, Object... nodeOutputs) Generic process for all ops that don't have specific implementations.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

OpTraitsRulesProcFactory.SelectRule

public OpTraitsRulesProcFactory.SelectRule()

Method Detail

getConvertedColNames

public List<List<String>> getConvertedColNames(List<List<String>> parentColNames,
                                      SelectOperator selOp)

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 process

procCtx - operator processor context

nodeOutputs - A variable argument list of outputs from other nodes in the walk

Returns:

Object to be returned by the process call

Throws:

SemanticException