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From "Amey Barve (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-4841) Add partition level hook to HiveMetaHook
Date Wed, 16 Dec 2015 10:39:46 GMT

    [ https://issues.apache.org/jira/browse/HIVE-4841?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15059813#comment-15059813
] 

Amey Barve commented on HIVE-4841:
----------------------------------

When will HiveMetaHook start supporting partitions? 

I can see Partition import in the HiveMetaHook's interface at (https://cwiki.apache.org/confluence/display/Hive/StorageHandlers)

{code:title=HiveMetaHook.java|borderStyle=solid}
package org.apache.hadoop.hive.metastore;
 
import org.apache.hadoop.hive.metastore.api.MetaException;
import org.apache.hadoop.hive.metastore.api.Partition;
import org.apache.hadoop.hive.metastore.api.Table;
 
public interface HiveMetaHook {
  public void preCreateTable(Table table)
    throws MetaException;
  public void rollbackCreateTable(Table table)
    throws MetaException;
  public void commitCreateTable(Table table)
    throws MetaException;
  public void preDropTable(Table table)
    throws MetaException;
  public void rollbackDropTable(Table table)
    throws MetaException;
  public void commitDropTable(Table table, boolean deleteData)
    throws MetaException;
{code}


But when I actually open HiveMetaHook interface file with hive version 1.2.1, there is no
such import.

When is partitions support come in HiveMetaHook, or is there any alternative?

> Add partition level hook to HiveMetaHook
> ----------------------------------------
>
>                 Key: HIVE-4841
>                 URL: https://issues.apache.org/jira/browse/HIVE-4841
>             Project: Hive
>          Issue Type: Improvement
>          Components: StorageHandler
>            Reporter: Navis
>            Assignee: Navis
>            Priority: Minor
>         Attachments: HIVE-4841.4.patch.txt, HIVE-4841.D11673.1.patch, HIVE-4841.D11673.2.patch,
HIVE-4841.D11673.3.patch
>
>
> Current HiveMetaHook provides hooks for tables only. With partition level hook, external
storages also could be revised to exploit PPR.



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