pgsql-server/src/backend/executor nodeAgg.c

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From: tgl(at)svr1(dot)postgresql(dot)org (Tom Lane)
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql-server/src/backend/executor nodeAgg.c
Date: 2004-03-13 00:54:12
Message-ID: 20040313005412.F30FDD1D8AE@svr1.postgresql.org
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CVSROOT: /cvsroot
Module name: pgsql-server
Changes by: tgl(at)svr1(dot)postgresql(dot)org 04/03/12 20:54:12

Modified files:
src/backend/executor: nodeAgg.c

Log message:
Repair memory leakage introduced into the non-hashed aggregate case by
7.4 rewrite for hashed aggregate support. If the transition data type
is pass-by-reference, the transValue must be pfreed when starting a new
group boundary, else we have a one-value-per-group leakage. Thanks to
Rae Steining for providing a reproducible test case.