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

Constructors

Constructor and Description
PartitionDesc()
PartitionDesc(Partition part)
PartitionDesc(Partition part, TableDesc tblDesc)
PartitionDesc(TableDesc table, LinkedHashMap<String,String> partSpec)

Method Summary

Methods

Modifier and Type	Method and Description
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.
String	getDeserializerClassName()
Class<? extends org.apache.hadoop.mapred.InputFormat>	getInputFileFormatClass()
String	getInputFileFormatClassName()
Class<? extends org.apache.hadoop.mapred.OutputFormat>	getOutputFileFormatClass()
String	getOutputFileFormatClassName()
LinkedHashMap<String,String>	getPartSpec()
Properties	getProperties()
Map	getPropertiesExplain()
String	getSerdeClassName()
TableDesc	getTableDesc()
String	getTableName()
void	intern(com.google.common.collect.Interner<TableDesc> interner)
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, finalize, 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()

getDeserializerClassName

public String getDeserializerClassName()

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 org.apache.hadoop.mapred.OutputFormat> getOutputFileFormatClass()

setOutputFileFormatClass

public void setOutputFileFormatClass(Class<?> outputFileFormatClass)

getProperties

public Properties getProperties()

getPropertiesExplain

public Map getPropertiesExplain()

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

intern

public void intern(com.google.common.collect.Interner<TableDesc> interner)