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Re: surprising trigger/foreign key interaction - Mailing list pgsql-hackers

From Alvaro Herrera
Subject Re: surprising trigger/foreign key interaction
Date
Msg-id 20090813140336.GA5909@alvh.no-ip.org
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In response to Re: surprising trigger/foreign key interaction  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: surprising trigger/foreign key interaction  (Josh Berkus <josh@agliodbs.com>)
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Tom Lane wrote:
> Alvaro Herrera <alvherre@commandprompt.com> writes:

> > I imagine this is so because of some old fiddling to get semantics just
> > right for obscure corner cases, but it feels wrong nevertheless.
> 
> I suspect it was reluctance to use the EvalPlanQual semantics (which
> are pretty bogus in their own way) for perfectly deterministic
> single-transaction cases.

I suspect the FK trigger messing up the visibility is an obscure corner
case too :-(

-- 
Alvaro Herrera                                http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support

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