Fixed db_stats query for pg17

Author: dementii-priadko

config/pgwatch-prometheus/metrics.yml

@@ -311,57 +311,8 @@ metrics:
           pg_stat_database, pg_control_system()
         where
           datname = current_database()
-      17: |-
-        select /* pgwatch_generated */
-          (extract(epoch from now()) * 1e9)::int8 as epoch_ns,
-          current_database() as tag_datname,
-          numbackends,
-          xact_commit,
-          xact_rollback,
-          blks_read,
-          blks_hit,
-          tup_returned,
-          tup_fetched,
-          tup_inserted,
-          tup_updated,
-          tup_deleted,
-          conflicts,
-          temp_files,
-          temp_bytes,
-          deadlocks,
-          shared_blk_read_time as blk_read_time,
-          shared_blk_write_time as blk_write_time,
-          extract(epoch from (now() - pg_postmaster_start_time()))::int8 as postmaster_uptime_s,
-          checksum_failures,
-          extract(epoch from (now() - checksum_last_failure))::int8 as checksum_last_failure_s,
-          case when pg_is_in_recovery() then 1 else 0 end as in_recovery_int,
-          system_identifier::text as tag_sys_id,
-          session_time::int8,
-          active_time::int8,
-          idle_in_transaction_time::int8,
-          sessions,
-          sessions_abandoned,
-          sessions_fatal,
-          sessions_killed,
-          (select count(*) from pg_index i
-            where not indisvalid
-            and not exists ( /* leave out ones that are being actively rebuilt */
-              select * from pg_locks l
-              join pg_stat_activity a using (pid)
-              where l.relation = i.indexrelid
-              and a.state = 'active'
-              and a.query ~* 'concurrently'
-          )) as invalid_indexes
-        from
-          pg_stat_database, pg_control_system()
-        where
-          datname = current_database()
     gauges:
-      - numbackends
-      - postmaster_uptime_s
-      - backup_duration_s
-      - backup_duration_s
-      - checksum_last_failure_s
+      - '*'
   locks_mode:
     description: >
       Retrieves lock mode statistics from the PostgreSQL `pg_locks` view, providing insights into the different lock modes currently held in the database.