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From "Krishna Kumar (JIRA)" <>
Subject [jira] Updated: (HIVE-1918) Add export/import facilities to the hive system
Date Wed, 19 Jan 2011 04:04:44 GMT


Krishna Kumar updated HIVE-1918:

    Status: Patch Available  (was: Open)

Patch for adding export/import.

> Add export/import facilities to the hive system
> -----------------------------------------------
>                 Key: HIVE-1918
>                 URL:
>             Project: Hive
>          Issue Type: New Feature
>          Components: Query Processor
>            Reporter: Krishna Kumar
>         Attachments: HIVE-1918.patch.txt
> This is an enhancement request to add export/import features to hive.
> With this language extension, the user can export the data of the table - which may be
located in different hdfs locations in case of a partitioned table - as well as the metadata
of the table into a specified output location. This output location can then be moved over
to another different hadoop/hive instance and imported there.  
> This should work independent of the source and target metastore dbms used; for instance,
between derby and mysql.
> For partitioned tables, the ability to export/import a subset of the partition must be
> Howl will add more features on top of this: The ability to create/use the exported data
even in the absence of hive, using MR or Pig. Please see
for these details.

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