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Posted to derby-dev@db.apache.org by "Bryan Pendleton (JIRA)" <ji...@apache.org> on 2008/04/26 18:02:55 UTC

[jira] Assigned: (DERBY-2457) Use of column aliases in group by / having clauses can cause queries to fail

     [ https://issues.apache.org/jira/browse/DERBY-2457?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bryan Pendleton reassigned DERBY-2457:
--------------------------------------

    Assignee: Bryan Pendleton

> 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: 10.3.1.4
>            Reporter: Andrew McIntyre
>            Assignee: Bryan Pendleton
>            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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