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From "Ashutosh Chauhan (JIRA)" <>
Subject [jira] Commented: (HIVE-1546) Ability to plug custom Semantic Analyzers for Hive Grammar
Date Wed, 15 Sep 2010 17:08:33 GMT


Ashutosh Chauhan commented on HIVE-1546:

I took a look at the proposed new interface. I didn't go full in-depth into it yet to ascertain
whether this works for Howl as desired or not, but I got the high level idea. It is a major
redesign from the current patch. It will require some amount of design and dev work. This
also implies all our testing (both unit and integration) which we have done on this patch
till now is redundant and we need to redo that again as well. 

> Ability to plug custom Semantic Analyzers for Hive Grammar
> ----------------------------------------------------------
>                 Key: HIVE-1546
>                 URL:
>             Project: Hadoop Hive
>          Issue Type: Improvement
>          Components: Metastore
>    Affects Versions: 0.7.0
>            Reporter: Ashutosh Chauhan
>            Assignee: Ashutosh Chauhan
>             Fix For: 0.7.0
>         Attachments: hive-1546-3.patch, hive-1546-4.patch, hive-1546.patch, hive-1546_2.patch,
> It will be useful if Semantic Analysis phase is made pluggable such that other projects
can do custom analysis of hive queries before doing metastore operations on them. 

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