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Posted to commits@cayenne.apache.org by "Nikita Timofeev (Jira)" <ji...@apache.org> on 2021/02/24 10:00:00 UTC

[jira] [Updated] (CAY-2684) Use EXISTS subquery for expressions using to-many related entities

     [ https://issues.apache.org/jira/browse/CAY-2684?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Nikita Timofeev updated CAY-2684:
---------------------------------
    Fix Version/s:     (was: 4.2.M3)
                   4.3.M1

> Use EXISTS subquery for expressions using to-many related entities
> ------------------------------------------------------------------
>
>                 Key: CAY-2684
>                 URL: https://issues.apache.org/jira/browse/CAY-2684
>             Project: Cayenne
>          Issue Type: Improvement
>          Components: Core Library
>            Reporter: Nikita Timofeev
>            Assignee: Nikita Timofeev
>            Priority: Minor
>             Fix For: 4.3.M1
>
>
> Using EXISTS() subquery instead of the JOIN for expressions using paths on to-many related entities could boost performance significant in some cases.
> As support for the subqueries already implemented per CAY-2468, this should be relatively easy.



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