[enh] set db_version at 0 if query version fails (#2819)

influxdata · May 18, 2017 · 02d4056 · 02d4056
1 parent 5d7127e
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -7,6 +7,7 @@
 
 ### Bugfixes
 
+- [#2819](https://github.com/influxdata/telegraf/pull/2819): [enh] set db_version at 0 if query version fails
 - [#2749](https://github.com/influxdata/telegraf/pull/2749): Fixed sqlserver input to work with case sensitive server collation.
 - [#2716](https://github.com/influxdata/telegraf/pull/2716): Systemd does not see all shutdowns as failures
 - [#2782](https://github.com/influxdata/telegraf/pull/2782): Reuse transports in input plugins

diff --git a/plugins/inputs/postgresql_extensible/postgresql_extensible.go b/plugins/inputs/postgresql_extensible/postgresql_extensible.go
@@ -141,7 +141,7 @@ func (p *Postgresql) Gather(acc telegraf.Accumulator) error {
 	query = `select substring(setting from 1 for 3) as version from pg_settings where name='server_version_num'`
 	err = db.QueryRow(query).Scan(&db_version)
 	if err != nil {
-		return err
+		db_version = 0
 	}
 	// We loop in order to process each query
 	// Query is not run if Database version does not match the query version.