Add COALESCE with 0, to pg_stat_archiver query

Попков Алексей Александрович (Aleksey Popkov) · Попков Алексей Александрович (Aleksey Popkov) · commit f8a7b5c1e8c6 · 2025-11-05T22:41:03.000+03:00
diff --git a/cmd/postgres_exporter/queries.go b/cmd/postgres_exporter/queries.go
@@ -99,7 +99,7 @@ var queryOverrides = map[string][]OverrideQuery{
 			semver.MustParseRange(">=9.4.0"),
 			`
 			SELECT *,
-				extract(epoch from now() - last_archived_time) AS last_archive_age
+				COALESCE(extract(epoch from now() - last_archived_time), -1) AS last_archive_age
 			FROM pg_stat_archiver
 			`,
 		},

Original file line number	Diff line number	Diff line change
`@@ -99,7 +99,7 @@ var queryOverrides = map[string][]OverrideQuery{`
`99`	`99`	`semver.MustParseRange(">=9.4.0"),`
`100`	`100`	`
`101`	`101`	`SELECT *,`
`102`		`- extract(epoch from now() - last_archived_time) AS last_archive_age`
	`102`	`+ COALESCE(extract(epoch from now() - last_archived_time), -1) AS last_archive_age`
`103`	`103`	`FROM pg_stat_archiver`
`104`	`104`	`,
`105`	`105`	`},`