Re: Legacy foreign keys

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>
Cc: Peter Koczan <pjkoczan(at)gmail(dot)com>, pgsql-admin(at)postgresql(dot)org
Subject: Re: Legacy foreign keys
Date: 2007-12-10 22:08:12
Message-ID: 20427.1197324492@sss.pgh.pa.us
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Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> writes:
> Peter Koczan escribi:
>> I am having a problem with what appear to be legacy foreign keys in
>> some of my databases (probably pre-7.2 days). They won't restore from
>> 8.2 to 8.3, because the '<unnamed>' field in the called function isn't
>> unique when I try to restore more than one of these legacy keys

> 8.3's pg_dump contains smarts to dump these things as normal FKs. Try
> it.

No, pg_dump isn't involved --- the new smarts are inside the server,
in CREATE CONSTRAINT TRIGGER. It sounds like Peter has a case that is
confusing that new code. Could we see a complete example?

regards, tom lane

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