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From "Rick Hillegas (JIRA)" <derby-...@db.apache.org>
Subject [jira] Updated: (DERBY-765) Valid query fails with ERROR X0A00: The select list mentions column 'A' twice...
Date Fri, 28 Jul 2006 23:04:21 GMT
     [ http://issues.apache.org/jira/browse/DERBY-765?page=all ]

Rick Hillegas updated DERBY-765:
--------------------------------

    Urgency: Low

Setting urgency to low since the release note has been written.

> Valid query fails with ERROR X0A00: The select list mentions column 'A' twice...
> --------------------------------------------------------------------------------
>
>                 Key: DERBY-765
>                 URL: http://issues.apache.org/jira/browse/DERBY-765
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 10.2.0.0
>            Reporter: Kathey Marsden
>            Priority: Minor
>
> The following query is valid but fails with 10.2 
> ij> create table bug280
> (
>    a int,
>    b int
> );
> 0 rows inserted/updated/deleted
> ij> insert into bug280( a, b )
> values ( 1, 1 ), ( 1, 2 ), ( 1, 3 ), ( 2, 1 ), ( 2, 2 );
> 5 rows inserted/updated/deleted
> ij> select a+1 as a, a+1 as a from bug280 group by a;
> ERROR X0A00: The select list mentions column 'A' twice. This is not allowed in queries
with GROUP BY or HAVING clauses. Try aliasing one of the conflicting columns to a unique name.

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