Revert

Author: artemgavrilov

queries-mr.yaml

@@ -16,17 +16,7 @@ pg_postmaster:
         description: "Time at which postmaster started"
 
 pg_database:
-  query: |
-    SELECT
-      pg_database.datname,
-      pg_database_size(pg_database.datname),
-      CASE WHEN current_setting('server_version_num')::int >= 180000
-           THEN COALESCE(parallel_workers_to_launch, 0)
-           ELSE 0 END as parallel_workers_to_launch,
-      CASE WHEN current_setting('server_version_num')::int >= 180000
-           THEN COALESCE(parallel_workers_launched, 0)
-           ELSE 0 END as parallel_workers_launched
-      as size_bytes FROM pg_database
+  query: "SELECT pg_database.datname, pg_database_size(pg_database.datname) as size_bytes FROM pg_database"
   master: true
   cache_seconds: 30
   metrics:
@@ -36,13 +26,6 @@ pg_database:
     - size_bytes:
         usage: "GAUGE"
         description: "Disk space used by the database"
-    - parallel_workers_to_launch:
-        usage: "COUNTER"
-        description: "Number of parallel workers to launch (PostgreSQL 18+)"
-    - parallel_workers_launched:
-        usage: "COUNTER"
-        description: "Number of parallel workers launched (PostgreSQL 18+)"
-
 ####
 #pg_stat_statements:
 #  query: "SELECT t2.rolname, t3.datname, queryid, calls, total_time / 1000 as total_time_seconds, min_time / 1000 as min_time_seconds, max_time / 1000 as max_time_seconds, mean_time / 1000 as mean_time_seconds, stddev_time / 1000 as stddev_time_seconds, rows, shared_blks_hit, shared_blks_read, shared_blks_dirtied, shared_blks_written, local_blks_hit, local_blks_read, local_blks_dirtied, local_blks_written, temp_blks_read, temp_blks_written, blk_read_time / 1000 as blk_read_time_seconds, blk_write_time / 1000 as blk_write_time_seconds FROM pg_stat_statements t1 JOIN pg_roles t2 ON (t1.userid=t2.oid) JOIN pg_database t3 ON (t1.dbid=t3.oid) WHERE t2.rolname != 'rdsadmin'"