From c3ca775e3f983d21746ad0ea9ff1b33872c01352 Mon Sep 17 00:00:00 2001
From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Thu, 3 Jul 2008 00:04:34 +0000
Subject: [PATCH] Fix transaction-lifespan memory leak in xpath().  Report by
 Matt Magoffin, fix by Kris Jurka.

---
 src/backend/utils/adt/xml.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/backend/utils/adt/xml.c b/src/backend/utils/adt/xml.c
index 708fe5f72f..23301fc476 100644
--- a/src/backend/utils/adt/xml.c
+++ b/src/backend/utils/adt/xml.c
@@ -3160,6 +3160,7 @@ xml_xmlnodetoxmltype(xmlNodePtr cur)
 	{
 		str = xmlXPathCastNodeToString(cur);
 		result = (xmltype *) cstring_to_text((char *) str);
+		xmlFree(str);
 	}
 
 	return result;
-- 
2.39.5