Re: Foreign key bugs (Re: [BUGS] "New" bug?? Serious - crashesbackend.)
Jan Wieck <janwieck@t-online.de>
From: JanWieck@t-online.de (Jan Wieck)
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: PostgreSQL HACKERS <pgsql-hackers@postgresql.org>
Date: 2000-07-11T22:18:20Z
Lists: pgsql-bugs, pgsql-hackers
Tom Lane wrote:
> "Stephan Szabo" <sszabo@kick.com> writes:
> > Also, I realized something else that is a little wierd. When a temporary
> > table shadows a permanent table that you've made a foreign key reference
> > to, which table should it be going to check the constraint?
>
> Seems to me it should certainly be going to the permanent table, which
> is another argument in favor of making the link via OID not table name.
> The existing code will get this wrong.
But even if the trigger knows the OID of the table to query,
can it prepare a plan to do so via SPI? I think no.
Jan
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