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Re: constraints & tableoid [pgsql8.1]

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Michael Fuhr <mike(at)fuhr(dot)org>
Cc: ??? ??? <jw(dot)pgsql(at)sduept(dot)com>, pgsql-bugs(at)postgresql(dot)org
Subject: Re: constraints & tableoid [pgsql8.1]
Date: 2006-04-11 13:55:02
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-bugs
Michael Fuhr <mike(at)fuhr(dot)org> writes:
> Apparently a new row's tableoid isn't set until the row is actually
> inserted.

I believe that's true of all the system columns.  If you're using oid,
for example, that's not assigned either until heap_insert().

This behavior doesn't seem unreasonable to me.  A candidate row is not a
member of the table until *after* it's passed its constraint checks ---
until then, it's just some values sitting in memory.

			regards, tom lane

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