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https://issues.apache.org/jira/browse/DERBY-2457?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Manish Khettry reassigned DERBY-2457:
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Assignee: Manish Khettry
> Use of column aliases in group by / having clauses can cause queries to fail
> ----------------------------------------------------------------------------
>
> Key: DERBY-2457
> URL: https://issues.apache.org/jira/browse/DERBY-2457
> Project: Derby
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 10.3.0.0
> Reporter: Andrew McIntyre
> Assigned To: Manish Khettry
> Priority: Minor
> Attachments: 1624_repro.sql
>
>
> Some use of column aliases in group by / having clauses can cause queries to
> fail with error 42X04. The queries can sometimes be made to work by also
> aliasing the table or rewriting the query to use a subselect. Attached is a
> simple sql script which reproduces the issue, originally found as part of
> DERBY-1624.
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