org.apache.hadoop.hive.metastore

Class DefaultPartitionExpressionProxy

java.lang.Object

org.apache.hadoop.hive.metastore.DefaultPartitionExpressionProxy

All Implemented Interfaces:

PartitionExpressionProxy

public class DefaultPartitionExpressionProxy
extends Object
implements PartitionExpressionProxy

Default implementation of PartitionExpressionProxy. Eventually this should use the SARGs in Hive's storage-api. For now it just throws UnsupportedOperationException.

Constructor Summary

Constructors

Constructor and Description
DefaultPartitionExpressionProxy()

Method Summary

Modifier and Type	Method and Description
String	convertExprToFilter(byte[] expr, String defaultPartitionName, boolean decodeFilterExpToStr)
SearchArgument	createSarg(byte[] expr)
boolean	filterPartitionsByExpr(List<FieldSchema> partColumns, byte[] expr, String defaultPartitionName, List<String> partitionNames)
FileFormatProxy	getFileFormatProxy(FileMetadataExprType type)
FileMetadataExprType	getMetadataType(String inputFormat)

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultPartitionExpressionProxy

public DefaultPartitionExpressionProxy()

Method Detail

convertExprToFilter

public String convertExprToFilter(byte[] expr,
                                  String defaultPartitionName,
                                  boolean decodeFilterExpToStr)
                           throws MetaException

Specified by:

convertExprToFilter in interface PartitionExpressionProxy

Throws:

MetaException

filterPartitionsByExpr

public boolean filterPartitionsByExpr(List<FieldSchema> partColumns,
                                      byte[] expr,
                                      String defaultPartitionName,
                                      List<String> partitionNames)
                               throws MetaException

Specified by:

filterPartitionsByExpr in interface PartitionExpressionProxy

Throws:

MetaException

getMetadataType

public FileMetadataExprType getMetadataType(String inputFormat)

Specified by:

getMetadataType in interface PartitionExpressionProxy

getFileFormatProxy

public FileFormatProxy getFileFormatProxy(FileMetadataExprType type)

Specified by:

getFileFormatProxy in interface PartitionExpressionProxy

createSarg

public SearchArgument createSarg(byte[] expr)

Specified by:

createSarg in interface PartitionExpressionProxy