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From: Markus Bertheau <twanger@bluetwanger.de>
To: pgsql-sql@postgresql.org
Subject: SELECT MAX(c) FROM (SELECT ... FOR UPDATE) AS foo
Date: Tue, 17 Aug 2004 13:07:43 +0200
Message-ID: <1092740863.2627.17.camel@dicaprio.akademie1.de> (raw)

Hi,

why is the following query not allowed:

SELECT MAX(position) FROM (SELECT position FROM classes WHERE name =
'foo' FOR UPDATE OF classes) AS foo

It's clear which rows should be locked here, I think.

Thanks

-- 
Markus Bertheau <twanger@bluetwanger.de>

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