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https://issues.apache.org/jira/browse/HIVE-12342?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16542375#comment-16542375
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Deepak Jaiswal commented on HIVE-12342:
---------------------------------------

[~ikryvenko] I was looking at the change in ParseContext.java where HashMap is 
converted to LinkedHashMap. Can you please tell me why it was needed?

> Set default value of hive.optimize.index.filter to true
> -------------------------------------------------------
>
>                 Key: HIVE-12342
>                 URL: https://issues.apache.org/jira/browse/HIVE-12342
>             Project: Hive
>          Issue Type: Task
>          Components: Configuration
>            Reporter: Ashutosh Chauhan
>            Assignee: Igor Kryvenko
>            Priority: Major
>             Fix For: 4.0.0
>
>         Attachments: HIVE-12342.05.patch, HIVE-12342.06.patch, 
> HIVE-12342.07.patch, HIVE-12342.08.patch, HIVE-12342.09.patch, 
> HIVE-12342.1.patch, HIVE-12342.10.patch, HIVE-12342.11.patch, 
> HIVE-12342.12.patch, HIVE-12342.13.patch, HIVE-12342.14.patch, 
> HIVE-12342.15.patch, HIVE-12342.16.patch, HIVE-12342.17.patch, 
> HIVE-12342.18.patch, HIVE-12342.19.patch, HIVE-12342.2.patch, 
> HIVE-12342.20.patch, HIVE-12342.21.patch, HIVE-12342.22.patch, 
> HIVE-12342.23.patch, HIVE-12342.24.patch, HIVE-12342.3.patch, 
> HIVE-12342.4.patch, HIVE-12342.patch
>
>
> This configuration governs ppd for storage layer. When applicable, it will 
> always help. It should be on by default.



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