Re: [PATCH] Deferrable unique constraints vs join removal -- bug?

Marti Raudsepp <marti@juffo.org>

From: Marti Raudsepp <marti@juffo.org>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Robert Haas <robertmhaas@gmail.com>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2011-10-23T18:12:51Z
Lists: pgsql-hackers
On Sun, Oct 23, 2011 at 06:44, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Robert Haas <robertmhaas@gmail.com> writes:
>> I think maybe what we should do is add
>> an "immediate" field to IndexOptInfo, mirroring the existing unique
>> flag, and have get_relation_info() populate it from indimmediate, and
>> then make relation_has_unique_index() disqualify any non-immediate
>> index.
>
> Yeah, this seems like the right fix.

Oh, that sounds pretty obvious now that you mention it. :)

I will try to come up with a new patch in a few days (haven't had too
much time lately).

Regards,
Marti