Fix version check in postgresql_extensible (influxdata#4866)

axinojolais · Jean-Louis Dupond · commit 3c19964bbb76 · 2019-04-22T23:21:13.000+02:00
diff --git a/plugins/inputs/postgresql_extensible/postgresql_extensible.go b/plugins/inputs/postgresql_extensible/postgresql_extensible.go
@@ -121,7 +121,7 @@ func (p *Postgresql) Gather(acc telegraf.Accumulator) error {
 	)
 
 	// Retreiving the database version
-	query = `select substring(setting from 1 for 3) as version from pg_settings where name='server_version_num'`
+	query = `SELECT setting::integer / 100 AS version FROM pg_settings WHERE name = 'server_version_num'`
 	if err = p.DB.QueryRow(query).Scan(&db_version); err != nil {
 		db_version = 0
 	}

Original file line number	Diff line number	Diff line change
`@@ -121,7 +121,7 @@ func (p *Postgresql) Gather(acc telegraf.Accumulator) error {`
`121`	`121`	`)`
`122`	`122`
`123`	`123`	`// Retreiving the database version`
`124`		- query = `select substring(setting from 1 for 3) as version from pg_settings where name='server_version_num'`
	`124`	+ query = `SELECT setting::integer / 100 AS version FROM pg_settings WHERE name = 'server_version_num'`
`125`	`125`	`if err = p.DB.QueryRow(query).Scan(&db_version); err != nil {`
`126`	`126`	`db_version = 0`
`127`	`127`	`}`