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

PartitionExpressionForMetastore()

Method Summary

String	convertExprToFilter(byte[] exprBytes)
boolean	filterPartitionsByExpr(List<String> columnNames, byte[] exprBytes, String defaultPartitionName, List<String> partitionNames)

Methods inherited from class java.lang.Object

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

Constructor Detail

PartitionExpressionForMetastore

public PartitionExpressionForMetastore()

Method Detail

convertExprToFilter

public String convertExprToFilter(byte[] exprBytes)
                           throws org.apache.hadoop.hive.metastore.api.MetaException

Specified by:

convertExprToFilter in interface PartitionExpressionProxy

Throws:

org.apache.hadoop.hive.metastore.api.MetaException

filterPartitionsByExpr

public boolean filterPartitionsByExpr(List<String> columnNames,
                                      byte[] exprBytes,
                                      String defaultPartitionName,
                                      List<String> partitionNames)
                               throws org.apache.hadoop.hive.metastore.api.MetaException

Specified by:

filterPartitionsByExpr in interface PartitionExpressionProxy

Throws:

org.apache.hadoop.hive.metastore.api.MetaException