From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Thu, 23 Dec 2004 22:42:15 +0000 (+0000)
Subject: Avoid memory leakage during VACUUM FULL when an index expression or
X-Git-Tag: REL8_0_0RC3~36
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=08457504f01be211f8c144edacdc3bd0bec11ea2;p=postgresql

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 93694e4960..6de1563558 100644
--- a/src/backend/commands/vacuum.c
+++ b/src/backend/commands/vacuum.c
@@ -13,7 +13,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/commands/vacuum.c,v 1.297 2004/12/02 19:28:49 tgl Exp $
+ *	  $PostgreSQL: pgsql/src/backend/commands/vacuum.c,v 1.298 2004/12/23 22:42:15 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -2553,6 +2553,7 @@ move_chain_tuple(Relation rel,
 	{
 		ExecStoreTuple(&newtup, ec->slot, InvalidBuffer, false);
 		ExecInsertIndexTuples(ec->slot, &(newtup.t_self), ec->estate, true);
+		ResetPerTupleExprContext(ec->estate);
 	}
 }
 
@@ -2662,6 +2663,7 @@ move_plain_tuple(Relation rel,
 	{
 		ExecStoreTuple(&newtup, ec->slot, InvalidBuffer, false);
 		ExecInsertIndexTuples(ec->slot, &(newtup.t_self), ec->estate, true);
+		ResetPerTupleExprContext(ec->estate);
 	}
 }