[ http://issues.apache.org/jira/browse/DERBY-1624?page=all ]
Andrew McIntyre updated DERBY-1624:
-----------------------------------
Attachment: 1624_repro.sql
While poking at this issue, I came up with a bunch of simple testcases thatI
thought should all pass, but out of 18, only 7 pass, and those mostly because
they were crafted to avoid this issue and demonstrate the correct results. I
don't think I'll have time to work on this any time soon, but I think it
demonstrates how broken the result column resolution is for columns with
correlation names, especially when there is a HAVING clause (and even one
rewrite to a subquery that I thought would work, but didn't).
Anyway, if anyone does pick this up anytime soon, I think the testcases
provided here will be a useful guide towards getting things working. It might
be useful one to pick up, as well, since it will improve Derby's usability with
Hibernate.
> use of direct column name rather than alias make aggregation fail (Hibernate
> depends on that)
> ---------------------------------------------------------------------------------------------
>
> Key: DERBY-1624
> URL: http://issues.apache.org/jira/browse/DERBY-1624
> Project: Derby
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 10.1.3.1, 10.1.1.0
> Reporter: Emmanuel Bernard
> Attachments: 1624_repro.sql
>
>
> Error: org.apache.derby.client.am.SqlException: Column 'MODEL0_.COL_0_0_' is
> either not in any table in the FROM list or appears within a join
> specification and is outside the scope of the join specification or appears
> in a HAVING clause and is not in the GROUP BY list. If this is a CREATE or
> ALTER TABLE statement then 'MODEL0_.COL_0_0_' is not a column in the target
> table., SQL State: 42X04, Error Code: -1
> for
> select
> model0_.balance as col_0_0_,
> count(*) as col_1_0_
> from
> account model0_
> group by
> model0_.balance
> having
> count(*) > 1
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