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From "Namit Jain (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HIVE-1546) Ability to plug custom Semantic Analyzers for Hive Grammar
Date Mon, 04 Oct 2010 17:48:33 GMT

    [ https://issues.apache.org/jira/browse/HIVE-1546?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12917677#action_12917677
] 

Namit Jain commented on HIVE-1546:
----------------------------------

I will take a look in more detail, but overall it looks good. I had the following comments:

1. Instead of TestSemanticAnalyzerHookLoading.java, add tests in test/queries/clientpositive
and test/queries/clientnegative
2. Do you want to set the value of hive.semantic.analyzer.hook to a dummy value in data/conf/hive-site.xml
for the unit tests ?
    Can something meaningful be printed here, which can be used for comparing ?


> 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,
hooks.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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