pgsql: Short-circuit AllocSetReset if nothing has been palloc'd in the

From: tgl(at)svr1(dot)postgresql(dot)org (Tom Lane)
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql: Short-circuit AllocSetReset if nothing has been palloc'd in the
Date: 2005-09-01 18:15:42
Message-ID: 20050901181542.0C388D86E6@svr1.postgresql.org
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Log Message:
-----------
Short-circuit AllocSetReset if nothing has been palloc'd in the memory
context since the previous AllocSetReset. Original patch by Atsushi Ogawa,
editorialized on a little bit by Tom Lane.

Modified Files:
--------------
pgsql/src/backend/utils/mmgr:
aset.c (r1.62 -> r1.63)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/mmgr/aset.c.diff?r1=1.62&r2=1.63)

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