[ 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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