Re: [HACKERS] We are not following the spec for HAVING without

Gary Doades <gpd@gpdnet.co.uk>

From: Gary Doades <gpd@gpdnet.co.uk>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: pgsql-hackers@postgresql.org, pgsql-bugs@postgresql.org
Date: 2005-03-10T19:12:48Z
Lists: pgsql-bugs, pgsql-hackers
Tom Lane wrote:
> 
> Would those of you with access to other DBMSes try this:
> 
> create table tab (col integer);
> select 1 from tab having 1=0;
> select 1 from tab having 1=1;
> insert into tab values(1);
> insert into tab values(2);
> select 1 from tab having 1=0;
> select 1 from tab having 1=1;
> 
> I claim that a SQL-conformant database will return 0, 1, 0, and 1 rows

MS SQL Server 2000 returns 0, 1, 0 and 1 rows correctly.

Cheers,
Gary.