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Posted to issues@phoenix.apache.org by "Kadir OZDEMIR (Jira)" <ji...@apache.org> on 2020/09/01 05:56:00 UTC

[jira] [Comment Edited] (PHOENIX-6115) Avoid scanning prior row state for uncovered local indexes on immutable tables.

    [ https://issues.apache.org/jira/browse/PHOENIX-6115?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17188156#comment-17188156 ] 

Kadir OZDEMIR edited comment on PHOENIX-6115 at 9/1/20, 5:55 AM:
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+1, Thanks!


was (Author: kozdemir):
+1., Thanks

> Avoid scanning prior row state for uncovered local indexes on immutable tables.
> -------------------------------------------------------------------------------
>
>                 Key: PHOENIX-6115
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-6115
>             Project: Phoenix
>          Issue Type: Bug
>            Reporter: Lars Hofhansl
>            Assignee: Lars Hofhansl
>            Priority: Major
>             Fix For: 5.1.0, 4.16.0
>
>         Attachments: 6115-master-v2.txt, 6115-master.txt
>
>
> Looking at the code I realized that we retrieve the prior row state even when is not necessary.
> Specifically it is not necessary when (a) the table is immutable and (b) the indexes does not include any covered columns.
> The unnecessary work is in part a consequence of the changes for global consistent indexing.



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