org.apache.hadoop.hive.ql.optimizer

Class SortedDynPartitionTimeGranularityOptimizer

java.lang.Object

org.apache.hadoop.hive.ql.optimizer.Transform

org.apache.hadoop.hive.ql.optimizer.SortedDynPartitionTimeGranularityOptimizer

public class SortedDynPartitionTimeGranularityOptimizer
extends Transform

Introduces a RS before FS to partition data by configuration specified time granularity.

Constructor Summary

Constructors

Constructor and Description
SortedDynPartitionTimeGranularityOptimizer()

Method Summary

Modifier and Type	Method and Description
ParseContext	transform(ParseContext pCtx) All transformation steps implement this interface.

Methods inherited from class org.apache.hadoop.hive.ql.optimizer.Transform

beginPerfLogging, endPerfLogging, endPerfLogging

Methods inherited from class java.lang.Object

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

Constructor Detail

SortedDynPartitionTimeGranularityOptimizer

public SortedDynPartitionTimeGranularityOptimizer()

Method Detail

transform

public ParseContext transform(ParseContext pCtx)
                       throws SemanticException

Description copied from class: Transform

All transformation steps implement this interface.

Specified by:

transform in class Transform

Parameters:

pCtx - input parse context

Returns:

ParseContext

Throws:

SemanticException