From e73ae9a16ebf982dc5712a8e4f4d4f864187e08a Mon Sep 17 00:00:00 2001
From: Bernd Zeimetz <bernd@bzed.de>
Date: Fri, 2 Sep 2016 13:23:40 +0200
Subject: [PATCH] pgsql plugin: avoid parsing error from query_plans

idx_scan/idx_tup_fetch can be NULL, avoid trying to parse that into a number.

This should fix #1905.
---
 src/postgresql_default.conf | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/postgresql_default.conf b/src/postgresql_default.conf
index f905eb2a..7ec971a2 100644
--- a/src/postgresql_default.conf
+++ b/src/postgresql_default.conf
@@ -159,10 +159,10 @@
 </Query>
 
 <Query query_plans>
-	Statement "SELECT sum(seq_scan) AS seq, \
-			sum(seq_tup_read) AS seq_tup_read, \
-			sum(idx_scan) AS idx, \
-			sum(idx_tup_fetch) AS idx_tup_fetch \
+	Statement "SELECT coalesce(sum(seq_scan), 0) AS seq, \
+			  coalesce(sum(seq_tup_read), 0) AS seq_tup_read, \
+			  coalesce(sum(idx_scan), 0) AS idx, \
+			  coalesce(sum(idx_tup_fetch), 0) AS idx_tup_fetch \
 		FROM pg_stat_user_tables;"
 
 	<Result>
-- 
2.11.0