Re: some questions about SELECT FOR UPDATE/SHARE

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "Tao Ma" <feng_eden(at)163(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: some questions about SELECT FOR UPDATE/SHARE
Date: 2009-02-12 15:44:59
Message-ID: 10419.1234453499@sss.pgh.pa.us
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"Tao Ma" <feng_eden(at)163(dot)com> writes:
> My question is: Is it possible to remove the ONLY from the RI checks after
> Tom Lane made SELECT FOR UPDATE/SHARE work on inheritance trees?

No. The main thing standing in the way of RI on inheritance trees is
the lack of cross-tree uniqueness constraints.

regards, tom lane

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