From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Thu, 23 Dec 2004 22:42:32 +0000 (+0000)
Subject: Avoid memory leakage during VACUUM FULL when an index expression or
X-Git-Tag: REL7_4_7~15
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=715a73427ecb573980875af171ee1e4629ef9b4d;p=thirdparty%2Fpostgresql.git

Avoid memory leakage during VACUUM FULL when an index expression or
index predicate uses temporary memory for evaluation.  Per example
from Jean-Gerard Pailloncy.
---

diff --git a/src/backend/commands/vacuum.c b/src/backend/commands/vacuum.c
index 8011567f66a..84ee7e8e4b0 100644
--- a/src/backend/commands/vacuum.c
+++ b/src/backend/commands/vacuum.c
@@ -13,7 +13,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/commands/vacuum.c,v 1.263 2003/10/02 23:19:44 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/commands/vacuum.c,v 1.263.2.1 2004/12/23 22:42:32 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -2041,6 +2041,7 @@ repair_frag(VRelStats *vacrelstats, Relation onerel,
 						ExecStoreTuple(&newtup, slot, InvalidBuffer, false);
 						ExecInsertIndexTuples(slot, &(newtup.t_self),
 											  estate, true);
+						ResetPerTupleExprContext(estate);
 					}
 
 					WriteBuffer(cur_buffer);
@@ -2174,6 +2175,7 @@ repair_frag(VRelStats *vacrelstats, Relation onerel,
 			{
 				ExecStoreTuple(&newtup, slot, InvalidBuffer, false);
 				ExecInsertIndexTuples(slot, &(newtup.t_self), estate, true);
+				ResetPerTupleExprContext(estate);
 			}
 		}						/* walk along page */