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https://issues.apache.org/jira/browse/CAY-2860?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Nikita Timofeev updated CAY-2860:
---------------------------------
    Fix Version/s: 5.0-M2
                       (was: 5.0-M1)

> Translate (not)in expression with empty values
> ----------------------------------------------
>
>                 Key: CAY-2860
>                 URL: https://issues.apache.org/jira/browse/CAY-2860
>             Project: Cayenne
>          Issue Type: Improvement
>          Components: Database integration
>            Reporter: Nikita Timofeev
>            Assignee: Nikita Timofeev
>            Priority: Minor
>             Fix For: 5.0-M2
>
>
> We have optimization in {{ExpressionFactory}} for (not)inExp() methods for 
> the empty values that returns just {{ASTFalse}} or {{ASTTrue}}
> But when we create {{ASTIn}} manually we don't have this optimization and 
> that results in incorrect SQL like {{t0.ARTIST_NAME IN ()}}. 
> We could optimize that on our end, and that would benefit users who work 
> directly with raw AST tree.



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