pgsql: Fix plpython's overoptimistic caching of information about the

From: tgl(at)postgresql(dot)org (Tom Lane)
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql: Fix plpython's overoptimistic caching of information about the
Date: 2008-01-02 03:10:27
Message-ID: 20080102031027.D8D8A7540F0@cvs.postgresql.org
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Log Message:
-----------
Fix plpython's overoptimistic caching of information about the rowtype of
a trigger's target table. The rowtype could change from one call to the
next, so cope in such cases, while avoiding doing repetitive catalog lookups.
Per bug #3847 from Mark Reid.

Backpatch to 8.2.x. Likely this fix should go further back, but I can't test
it because I no longer have a machine with a pre-2.5 Python installation.
(Maybe we should rethink that idea about not supporting Python 2.5 in the
older branches.)

Modified Files:
--------------
pgsql/src/pl/plpython:
plpython.c (r1.105 -> r1.106)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/pl/plpython/plpython.c?r1=1.105&r2=1.106)

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