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Posted to issues@phoenix.apache.org by "chenglei (Jira)" <ji...@apache.org> on 2022/09/26 12:30:00 UTC

[jira] [Comment Edited] (PHOENIX-6752) Duplicate expression nodes in extract nodes during WHERE compilation phase leads to poor performance.

    [ https://issues.apache.org/jira/browse/PHOENIX-6752?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17609472#comment-17609472 ] 

chenglei edited comment on PHOENIX-6752 at 9/26/22 12:29 PM:
-------------------------------------------------------------

[~jisaac],would you mind explaining more about what is the most time-consuming code for the problem you described ? I don't quite understand what problem this JIRA is trying to solve.


was (Author: comnetwork):
[~jisaac],would you please explain more about what is the most time-consuming code for the problem you described ? I don't quite understand what problem this JIRA is trying to solve.

> Duplicate expression nodes in extract nodes during WHERE compilation phase leads to poor performance.
> -----------------------------------------------------------------------------------------------------
>
>                 Key: PHOENIX-6752
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-6752
>             Project: Phoenix
>          Issue Type: Bug
>    Affects Versions: 4.15.0, 5.1.0, 4.16.1, 5.2.0
>            Reporter: Jacob Isaac
>            Assignee: Jacob Isaac
>            Priority: Critical
>             Fix For: 5.2.0
>
>         Attachments: test-case.txt
>
>
> SQL queries using the OR operator were taking a long time during the WHERE clause compilation phase when a large number of OR clauses (~50k) are used.



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