snmp_agent: Documented 'PluginInstance' option

[collectd.git] / src / postgresql_default.conf

diff --git a/src/postgresql_default.conf b/src/postgresql_default.conf
index f905eb2..0aac41e 100644 (file)
--- 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>
@@ -207,10 +207,10 @@
 
 <Query query_plans_by_table>
        Statement "SELECT schemaname, relname, \
-                       seq_scan AS seq, \
-                       seq_tup_read AS seq_tup_read, \
-                       idx_scan AS idx, \
-                       idx_tup_fetch AS idx_tup_fetch \
+                       coalesce(seq_scan, 0) AS seq, \
+                       coalesce(seq_tup_read, 0) AS seq_tup_read, \
+                       coalesce(idx_scan, 0) AS idx, \
+                       coalesce(idx_tup_fetch, 0) AS idx_tup_fetch \
                FROM pg_stat_user_tables;"
 
        <Result>