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https://issues.apache.org/jira/browse/CAY-2842?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jurgen Doll updated CAY-2842:
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Fix Version/s: 5.0-M2
> Prevent duplicate select columns when using distinct with order by
> ------------------------------------------------------------------
>
> Key: CAY-2842
> URL: https://issues.apache.org/jira/browse/CAY-2842
> Project: Cayenne
> Issue Type: Improvement
> Components: Core Library
> Affects Versions: 4.2
> Reporter: Jurgen Doll
> Priority: Minor
> Labels: pull-request-available
> Fix For: 5.0-M2
>
> Time Spent: 6h 40m
> Remaining Estimate: 0h
>
> When a "select distinct" query has an "order by" clause then the "order by"
> fields must also be listed in the select clause. However no check is
> currently done to see if the column is already specified which can result in
> duplicate columns being fetched.
> This is listed as a TODO item in OrderingStage.
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