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From "Xiaomeng Huang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-7730) Get instance of HiveSemanticAnalyzerHookContext from configuration
Date Fri, 15 Aug 2014 01:49:18 GMT

    [ https://issues.apache.org/jira/browse/HIVE-7730?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14098046#comment-14098046
] 

Xiaomeng Huang commented on HIVE-7730:
--------------------------------------

Thanks [~ashutoshc] for the valuable comment!
I have seen CheckColumnAccessHook implements ExecuteWithHookContext, and it occurs in execute
But authorization should occurs in compile before execute.
So I am afraid this approach can not meet my requirement.

> Get instance of HiveSemanticAnalyzerHookContext from configuration
> ------------------------------------------------------------------
>
>                 Key: HIVE-7730
>                 URL: https://issues.apache.org/jira/browse/HIVE-7730
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Xiaomeng Huang
>         Attachments: HIVE-7730.001.patch
>
>
> Now what we get from HiveSemanticAnalyzerHookContextImpl is limited. If we have hook
of HiveSemanticAnalyzerHook, we may want to get more things from hookContext. (e.g. the needed
colums from query).
> So we should get instance of HiveSemanticAnalyzerHookContext from configuration, extends
HiveSemanticAnalyzerHookContext with a new implementation, overide the HiveSemanticAnalyzerHookContext.update()
and put what you want to the class.



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