org.apache.hadoop.hive.ql.plan
Class PartitionDesc

java.lang.Object
  org.apache.hadoop.hive.ql.plan.PartitionDesc

All Implemented Interfaces:

Serializable, Cloneable

public class PartitionDesc
extends Object
implements Serializable, Cloneable

PartitionDesc.

See Also:

Serialized Form

Constructor Summary

PartitionDesc()

PartitionDesc(Partition part)

PartitionDesc(Partition part, TableDesc tblDesc)

PartitionDesc(TableDesc table, LinkedHashMap<String,String> partSpec)

Method Summary

PartitionDesc	clone()
void	deriveBaseFileName(String path) Attempt to derive a virtual base file name property from the path.
String	getBaseFileName()
Deserializer	getDeserializer(org.apache.hadoop.conf.Configuration conf) Return a deserializer object corresponding to the partitionDesc.
Class<? extends org.apache.hadoop.mapred.InputFormat>	getInputFileFormatClass()
String	getInputFileFormatClassName()
Class<? extends HiveOutputFormat>	getOutputFileFormatClass()
String	getOutputFileFormatClassName()
Properties	getOverlayedProperties()
LinkedHashMap<String,String>	getPartSpec()
Properties	getProperties()
String	getSerdeClassName()
TableDesc	getTableDesc()
String	getTableName()
boolean	isPartitioned()
void	setBaseFileName(String baseFileName)
void	setInputFileFormatClass(Class<? extends org.apache.hadoop.mapred.InputFormat> inputFileFormatClass)
void	setOutputFileFormatClass(Class<?> outputFileFormatClass)
void	setPartSpec(LinkedHashMap<String,String> partSpec)
void	setProperties(Properties properties)
void	setTableDesc(TableDesc tableDesc)

Methods inherited from class java.lang.Object

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

Constructor Detail

PartitionDesc

public PartitionDesc()

PartitionDesc

public PartitionDesc(TableDesc table,
                     LinkedHashMap<String,String> partSpec)

PartitionDesc

public PartitionDesc(Partition part)
              throws HiveException

Throws:

HiveException

PartitionDesc

public PartitionDesc(Partition part,
                     TableDesc tblDesc)
              throws HiveException

Throws:

HiveException

Method Detail

setBaseFileName

public void setBaseFileName(String baseFileName)

getTableDesc

public TableDesc getTableDesc()

setTableDesc

public void setTableDesc(TableDesc tableDesc)

getPartSpec

public LinkedHashMap<String,String> getPartSpec()

setPartSpec

public void setPartSpec(LinkedHashMap<String,String> partSpec)

getInputFileFormatClass

public Class<? extends org.apache.hadoop.mapred.InputFormat> getInputFileFormatClass()

getDeserializer

public Deserializer getDeserializer(org.apache.hadoop.conf.Configuration conf)
                             throws Exception

Return a deserializer object corresponding to the partitionDesc.

Throws:

Exception

setInputFileFormatClass

public void setInputFileFormatClass(Class<? extends org.apache.hadoop.mapred.InputFormat> inputFileFormatClass)

getOutputFileFormatClass

public Class<? extends HiveOutputFormat> getOutputFileFormatClass()

setOutputFileFormatClass

public void setOutputFileFormatClass(Class<?> outputFileFormatClass)

getProperties

public Properties getProperties()

getOverlayedProperties

public Properties getOverlayedProperties()

setProperties

public void setProperties(Properties properties)

getSerdeClassName

public String getSerdeClassName()

Returns:

the serdeClassName

getTableName

public String getTableName()

getInputFileFormatClassName

public String getInputFileFormatClassName()

getOutputFileFormatClassName

public String getOutputFileFormatClassName()

getBaseFileName

public String getBaseFileName()

isPartitioned

public boolean isPartitioned()

clone

public PartitionDesc clone()

Overrides:

clone in class Object

deriveBaseFileName

public void deriveBaseFileName(String path)

Attempt to derive a virtual base file name property from the path. If path format is unrecognized, just use the full path.

Parameters:

path - URI to the partition file