| From: | Gary Doades <gpd(at)gpdnet(dot)co(dot)uk> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | pgsql-hackers(at)postgresql(dot)org, pgsql-bugs(at)postgresql(dot)org |
| Subject: | Re: [HACKERS] We are not following the spec for HAVING without |
| Date: | 2005-03-10 19:12:48 |
| Message-ID: | 42309C30.7060107@gpdnet.co.uk |
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| Thread: | |
| 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.
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