[ http://issues.apache.org/jira/browse/DERBY-883?page=all ]
Daniel John Debrunner updated DERBY-883:
----------------------------------------
type: New Feature (was: Bug)
Seems like supporting expressions in the GROUP BY clause is similar to the
improvement made to support expressions in the ORDER BY clause that Tomohito
did a while ago.
Can we use the knowledge/implementation details from the ORDER BY work to do
the GROUP BY improvement?
> Date functions are 'syntax error' in group by clause
> ----------------------------------------------------
>
> Key: DERBY-883
> URL: http://issues.apache.org/jira/browse/DERBY-883
> Project: Derby
> Type: New Feature
> Components: SQL
> Versions: 10.1.2.1
> Environment: JDK 1.5.0_05
> Reporter: Lluis Turro
>
> This select would return an error syntax on finding "(" after month if group
> by clause:
> select idissue, month(creation), year(creation), count(distinct idissue)
> where
> ....
> group by idissue, month(creation), year(creation)
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