org.apache.hadoop.hive.ql.optimizer.ppr

Class PartitionExpressionForMetastore

java.lang.Object

org.apache.hadoop.hive.ql.optimizer.ppr.PartitionExpressionForMetastore

All Implemented Interfaces:

PartitionExpressionProxy

public class PartitionExpressionForMetastore
extends Object
implements PartitionExpressionProxy

The basic implementation of PartitionExpressionProxy that uses ql package classes.

Constructor Summary

Constructors

Constructor and Description
PartitionExpressionForMetastore()

Method Summary

Methods

Modifier and Type	Method and Description
String	convertExprToFilter(byte[] exprBytes)
boolean	filterPartitionsByExpr(List<String> partColumnNames, List<PrimitiveTypeInfo> partColumnTypeInfos, byte[] exprBytes, String defaultPartitionName, List<String> partitionNames)

Methods inherited from class java.lang.Object

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

Constructor Detail

PartitionExpressionForMetastore

public PartitionExpressionForMetastore()

Method Detail

convertExprToFilter

public String convertExprToFilter(byte[] exprBytes)
                           throws MetaException

Specified by:

convertExprToFilter in interface PartitionExpressionProxy

Throws:

MetaException

filterPartitionsByExpr

public boolean filterPartitionsByExpr(List<String> partColumnNames,
                             List<PrimitiveTypeInfo> partColumnTypeInfos,
                             byte[] exprBytes,
                             String defaultPartitionName,
                             List<String> partitionNames)
                               throws MetaException

Specified by:

filterPartitionsByExpr in interface PartitionExpressionProxy

Throws:

MetaException