Re: How to union tables and have a field with UNIQUE constraint?

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Stephan Szabo <sszabo(at)megazone23(dot)bigpanda(dot)com>
Cc: pgsql-sql(at)postgresql(dot)org
Subject: Re: How to union tables and have a field with UNIQUE constraint?
Date: 2002-01-03 23:26:41
Message-ID: 1002.1010100401@sss.pgh.pa.us
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Stephan Szabo <sszabo(at)megazone23(dot)bigpanda(dot)com> writes:
>> Since triggers on a view won't do anything either, I don't see how one
>> could expect REFERENCES to a view to work. The system ought to reject
>> all this stuff as unimplemented.

> I think that the insert/update on the fk table will work, but yeah, the
> parts on the pk table won't, so that's no good. I wouldn't want to
> bother for 7.2, but putting in something to make it so you can't reference
> a view is probably a good idea, at least until we can work out a way
> to make constraints on views work.

Investigation showed that there were a couple of other utility
statements that were also missing adequate checks on permissions and
table type. I've applied patches.

regards, tom lane

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