org.apache.hadoop.hive.ql.ddl.table.misc.truncate

Class TruncateTableDesc

java.lang.Object

org.apache.hadoop.hive.ql.ddl.table.misc.truncate.TruncateTableDesc

All Implemented Interfaces:

Serializable, DDLDesc, DDLDesc.DDLDescWithWriteId

public class TruncateTableDesc
extends Object
implements DDLDesc.DDLDescWithWriteId, Serializable

DDL task description for TRUNCATE TABLE commands.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.hadoop.hive.ql.ddl.DDLDesc

DDLDesc.DDLDescWithWriteId

Constructor Summary

Constructors

Constructor and Description
TruncateTableDesc(TableName tableName, Map<String,String> partSpec, ReplicationSpec replicationSpec)
TruncateTableDesc(TableName tableName, Map<String,String> partSpec, ReplicationSpec replicationSpec, Table table)
TruncateTableDesc(TableName tableName, Map<String,String> partSpec, ReplicationSpec replicationSpec, Table table, List<Integer> columnIndexes, org.apache.hadoop.fs.Path inputDir, org.apache.hadoop.fs.Path outputDir, ListBucketingCtx lbCtx)

Method Summary

Modifier and Type	Method and Description
List<Integer>	getColumnIndexes()
String	getFullTableName()
org.apache.hadoop.fs.Path	getInputDir()
ListBucketingCtx	getLbCtx()
org.apache.hadoop.fs.Path	getOutputDir()
Map<String,String>	getPartSpec()
ReplicationSpec	getReplicationSpec()
String	getTableName()
long	getWriteId()
boolean	mayNeedWriteId()
void	setWriteId(long writeId)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

TruncateTableDesc

public TruncateTableDesc(TableName tableName,
                         Map<String,String> partSpec,
                         ReplicationSpec replicationSpec)

TruncateTableDesc

public TruncateTableDesc(TableName tableName,
                         Map<String,String> partSpec,
                         ReplicationSpec replicationSpec,
                         Table table)

TruncateTableDesc

public TruncateTableDesc(TableName tableName,
                         Map<String,String> partSpec,
                         ReplicationSpec replicationSpec,
                         Table table,
                         List<Integer> columnIndexes,
                         org.apache.hadoop.fs.Path inputDir,
                         org.apache.hadoop.fs.Path outputDir,
                         ListBucketingCtx lbCtx)

Method Detail

getTableName

public String getTableName()

getFullTableName

public String getFullTableName()

Specified by:

getFullTableName in interface DDLDesc.DDLDescWithWriteId

getPartSpec

public Map<String,String> getPartSpec()

getReplicationSpec

public ReplicationSpec getReplicationSpec()

Returns:

what kind of replication scope this truncate is running under. This can result in a "TRUNCATE IF NEWER THAN" kind of semantic

getColumnIndexes

public List<Integer> getColumnIndexes()

getInputDir

public org.apache.hadoop.fs.Path getInputDir()

getOutputDir

public org.apache.hadoop.fs.Path getOutputDir()

getLbCtx

public ListBucketingCtx getLbCtx()

setWriteId

public void setWriteId(long writeId)

Specified by:

setWriteId in interface DDLDesc.DDLDescWithWriteId

mayNeedWriteId

public boolean mayNeedWriteId()

Specified by:

mayNeedWriteId in interface DDLDesc.DDLDescWithWriteId

getWriteId

public long getWriteId()

toString

public String toString()

Overrides:

toString in class Object