WAL functions cannot be executed in standby servers

fmbiete · web-flow · commit 955a978e55bb · 2023-09-01T18:06:01.000+01:00
Signed-off-by: Francisco Miguel Biete Banon &lt;fbiete@gmail.com&gt;
diff --git a/cmd/postgres_exporter/queries.go b/cmd/postgres_exporter/queries.go
@@ -82,13 +82,15 @@ var queryOverrides = map[string][]OverrideQuery{
 			`
 			SELECT slot_name, database, active, pg_xlog_location_diff(pg_current_xlog_location(), restart_lsn)
 			FROM pg_replication_slots
+			WHERE pg_is_in_recovery() = False
 			`,
 		},
 		{
 			semver.MustParseRange(">=10.0.0"),
 			`
 			SELECT slot_name, database, active, pg_wal_lsn_diff(pg_current_wal_lsn(), restart_lsn)
 			FROM pg_replication_slots
+			WHERE pg_is_in_recovery() = False
 			`,
 		},
 	},

Original file line number	Diff line number	Diff line change
`@@ -82,13 +82,15 @@ var queryOverrides = map[string][]OverrideQuery{`
`82`	`82`	`
`83`	`83`	`SELECT slot_name, database, active, pg_xlog_location_diff(pg_current_xlog_location(), restart_lsn)`
`84`	`84`	`FROM pg_replication_slots`
	`85`	`+ WHERE pg_is_in_recovery() = False`
`85`	`86`	`,
`86`	`87`	`},`
`87`	`88`	`{`
`88`	`89`	`semver.MustParseRange(">=10.0.0"),`
`89`	`90`	`
`90`	`91`	`SELECT slot_name, database, active, pg_wal_lsn_diff(pg_current_wal_lsn(), restart_lsn)`
`91`	`92`	`FROM pg_replication_slots`
	`93`	`+ WHERE pg_is_in_recovery() = False`
`92`	`94`	`,
`93`	`95`	`},`
`94`	`96`	`},`