From: Fujii Masao <fujii@postgresql.org>
Date: Thu, 4 Sep 2014 17:17:57 +0000 (+0900)
Subject: Fix segmentation fault that an empty prepared statement could cause.
X-Git-Tag: REL9_0_19~95
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=857a5d6b59e0104ff0200723e617e5e9743d5532;p=postgresql

Fix segmentation fault that an empty prepared statement could cause.

Back-patch to all supported branches.

Per bug #11335 from Haruka Takatsuka
---

diff --git a/src/backend/tcop/utility.c b/src/backend/tcop/utility.c
index 1740ff9f0a..5acfa31b30 100644
--- a/src/backend/tcop/utility.c
+++ b/src/backend/tcop/utility.c
@@ -2262,6 +2262,9 @@ GetCommandLogLevel(Node *parsetree)
 {
 	LogStmtLevel lev;
 
+	if (parsetree == NULL)
+		return LOGSTMT_ALL;
+
 	switch (nodeTag(parsetree))
 	{
 			/* raw plannable queries */