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https://issues.apache.org/jira/browse/HIVE-1546?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12905390#action_12905390
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Carl Steinbach commented on HIVE-1546:
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@Ashutosh: Can you provide some background on what you hope to accomplish with
this? What is the motivating use case, i.e. what custom SemanticAnalyzer do you
plan to write?
Also, how are the new INPUTDRIVER and OUTPUTDRIVER properties used? By adding
these to the Hive grammar it seems like we may be providing a mechanism for
defining tables in the MetaStore that Hive can't read or write to. If that's
the case what are your plans for adding this support to Hive?
> 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
>
>
> 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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