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https://issues.apache.org/jira/browse/CAY-2847?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17822152#comment-17822152
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Jurgen Doll commented on CAY-2847:
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Created a [PR|https://github.com/apache/cayenne/pull/610]
> Improve duplicate select column detection when using order by
> -------------------------------------------------------------
>
> Key: CAY-2847
> URL: https://issues.apache.org/jira/browse/CAY-2847
> Project: Cayenne
> Issue Type: Sub-task
> Components: Core Library
> Reporter: Jurgen Doll
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> The current implementation has three problems:
> # It fails when a column has an alias
> # It builds the whole SQL column string before comparing
> # It doesn't seem very robust in preventing false results
>
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