org.apache.hadoop.hive.metastore

Class HiveAlterHandler

java.lang.Object

org.apache.hadoop.hive.metastore.HiveAlterHandler

All Implemented Interfaces:

org.apache.hadoop.conf.Configurable, AlterHandler

public class HiveAlterHandler
extends Object
implements AlterHandler

Hive specific implementation of alter

Field Summary

Fields

Modifier and Type	Field and Description
protected org.apache.hadoop.conf.Configuration	hiveConf

Constructor Summary

Constructors

Constructor and Description
HiveAlterHandler()

Method Summary

Methods

Modifier and Type	Method and Description
Partition	alterPartition(RawStore msdb, Warehouse wh, String dbname, String name, List<String> part_vals, Partition new_part) handles alter partition
List<Partition>	alterPartitions(RawStore msdb, Warehouse wh, String dbname, String name, List<Partition> new_parts) handles alter partitions
void	alterTable(RawStore msdb, Warehouse wh, String dbname, String name, Table newt) handles alter table
void	alterTable(RawStore msdb, Warehouse wh, String dbname, String name, Table newt, boolean cascade) handles alter table, the changes could be cascaded to partitions if applicable
org.apache.hadoop.conf.Configuration	getConf()
void	setConf(org.apache.hadoop.conf.Configuration conf)

Methods inherited from class java.lang.Object

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

Field Detail

hiveConf

protected org.apache.hadoop.conf.Configuration hiveConf

Constructor Detail

HiveAlterHandler

public HiveAlterHandler()

Method Detail

getConf

public org.apache.hadoop.conf.Configuration getConf()

Specified by:

getConf in interface org.apache.hadoop.conf.Configurable

setConf

public void setConf(org.apache.hadoop.conf.Configuration conf)

Specified by:

setConf in interface org.apache.hadoop.conf.Configurable

alterTable

public void alterTable(RawStore msdb,
              Warehouse wh,
              String dbname,
              String name,
              Table newt)
                throws InvalidOperationException,
                       MetaException

Description copied from interface: AlterHandler

handles alter table

Specified by:

alterTable in interface AlterHandler

Parameters:

msdb - object to get metadata

wh - TODO

dbname - database of the table being altered

name - original name of the table being altered. same as newTable.tableName if alter op is not a rename.

newt - new table object

Throws:

InvalidOperationException - thrown if the newTable object is invalid

MetaException - thrown if there is any other error

alterTable

public void alterTable(RawStore msdb,
              Warehouse wh,
              String dbname,
              String name,
              Table newt,
              boolean cascade)
                throws InvalidOperationException,
                       MetaException

Description copied from interface: AlterHandler

handles alter table, the changes could be cascaded to partitions if applicable

Specified by:

alterTable in interface AlterHandler

Parameters:

msdb - object to get metadata

wh - Hive Warehouse where table data is stored

dbname - database of the table being altered

name - original name of the table being altered. same as newTable.tableName if alter op is not a rename.

newt - new table object

cascade - if the changes will be cascaded to its partitions if applicable

Throws:

InvalidOperationException - thrown if the newTable object is invalid

MetaException - thrown if there is any other error

alterPartition

public Partition alterPartition(RawStore msdb,
                       Warehouse wh,
                       String dbname,
                       String name,
                       List<String> part_vals,
                       Partition new_part)
                         throws InvalidOperationException,
                                InvalidObjectException,
                                AlreadyExistsException,
                                MetaException

Description copied from interface: AlterHandler

handles alter partition

Specified by:

alterPartition in interface AlterHandler

Parameters:

msdb - object to get metadata

dbname - database of the partition being altered

name - table of the partition being altered

part_vals - original values of the partition being altered

new_part - new partition object

Returns:

the altered partition

Throws:

InvalidOperationException

InvalidObjectException

AlreadyExistsException

MetaException

alterPartitions

public List<Partition> alterPartitions(RawStore msdb,
                              Warehouse wh,
                              String dbname,
                              String name,
                              List<Partition> new_parts)
                                throws InvalidOperationException,
                                       InvalidObjectException,
                                       AlreadyExistsException,
                                       MetaException

Description copied from interface: AlterHandler

handles alter partitions

Specified by:

alterPartitions in interface AlterHandler

Parameters:

msdb - object to get metadata

dbname - database of the partition being altered

name - table of the partition being altered

Returns:

the altered partition list

Throws:

InvalidOperationException

InvalidObjectException

AlreadyExistsException

MetaException