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https://issues.apache.org/jira/browse/HIVE-1546?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12909432#action_12909432
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John Sichi commented on HIVE-1546:
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@Ashutosh: I will get back to you soon with a proposal. Based on what I see
in your Howl_Semantic_Analysis.txt code, I think the interface can be very
small.
> Ability to plug custom Semantic Analyzers for Hive Grammar
> ----------------------------------------------------------
>
> Key: HIVE-1546
> URL: https://issues.apache.org/jira/browse/HIVE-1546
> 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, Howl_Semantic_Analysis.txt
>
>
> 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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