Re: We are not following the spec for HAVING without GROUP
Mark Shewmaker <mark@primefactor.com>
From: Mark Shewmaker <mark@primefactor.com>
To: pgsql-hackers@postgresql.org, pgsql-bugs@postgresql.org
Date: 2005-03-10T05:20:06Z
Lists: pgsql-bugs, pgsql-hackers
On Wed, 2005-03-09 at 21:21 -0500, Tom Lane wrote:
> Comments? Can anyone confirm whether DB2 or other databases allow
> ungrouped column references with HAVING?
In Sybase:
1> select 2 as id, max(myfield) from mytable where 2=1
2> go
id
----------- ----------
2 NULL
(1 row affected)
1> select 2 as id, max(myfield) from mytable having 2=1
2> go
id
----------- ----------
(0 rows affected)
--
Mark Shewmaker
mark@primefactor.com