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From "Adam Kramer (JIRA)" <>
Subject [jira] Commented: (HIVE-446) Implement TRUNCATE
Date Sun, 02 May 2010 20:37:57 GMT


Adam Kramer commented on HIVE-446:

Another note: Sometimes I shut off hive.merge.mapfiles; because the extra mapreduce step really
isn't worth it given that I'm effectively creating a temp table that I don't need to use again.
The result is a lot of unnecessary inode usage, because I only need those inodes for one more

If I had this option, I would turn off hive.merge.mapfiles;, run my query, run the dependent
query, and then truncate the first table to save inodes.

> Implement TRUNCATE
> ------------------
>                 Key: HIVE-446
>                 URL:
>             Project: Hadoop Hive
>          Issue Type: New Feature
>          Components: Query Processor
>            Reporter: Prasad Chakka
>             Fix For: 0.4.2
> truncate the data but leave the table and metadata intact.

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