From 67ec9adaf13fe79c13a53c6513ec3eb7adfaaddd Mon Sep 17 00:00:00 2001
From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Sun, 29 Nov 2009 21:02:16 +0000
Subject: [PATCH] Fix session-lifespan memory leak when a plperl function is
redefined: we have to tell Perl it can release its compiled copy of the
function text. Noted by Alexey Klyukin.
Back-patch to 8.2 --- the problem exists further back, but this patch
won't work without modification, and it's probably not worth the trouble.
---
src/pl/plperl/plperl.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/src/pl/plperl/plperl.c b/src/pl/plperl/plperl.c
index 852b2b155b..f999495c87 100644
--- a/src/pl/plperl/plperl.c
+++ b/src/pl/plperl/plperl.c
@@ -1,7 +1,7 @@
/**********************************************************************
* plperl.c - perl as a procedural language for PostgreSQL
*
- * $PostgreSQL: pgsql/src/pl/plperl/plperl.c,v 1.154 2009/11/29 03:02:27 tgl Exp $
+ * $PostgreSQL: pgsql/src/pl/plperl/plperl.c,v 1.155 2009/11/29 21:02:16 tgl Exp $
*
**********************************************************************/
@@ -1651,11 +1651,13 @@ compile_plperl_function(Oid fn_oid, bool is_trigger)
if (!uptodate)
{
+ hash_search(plperl_proc_hash, internal_proname,
+ HASH_REMOVE, NULL);
+ if (prodesc->reference)
+ SvREFCNT_dec(prodesc->reference);
free(prodesc->proname);
free(prodesc);
prodesc = NULL;
- hash_search(plperl_proc_hash, internal_proname,
- HASH_REMOVE, NULL);
}
}
--
2.49.0