fix examples queries: change idle process metric name in order not to override built-in pg_stat_activity.

Signed-off-by: Cédric de Saint Martin <cdesaintmartin@wiremind.fr>

Author: desaintmartin

queries.yaml

@@ -31,15 +31,15 @@ pg_stat_user_tables:
  n_live_tup,
  n_dead_tup,
  n_mod_since_analyze,
- COALESCE(last_vacuum, '1970-01-01Z') as last_vacuum, 
- COALESCE(last_autovacuum, '1970-01-01Z') as last_autovacuum, 
- COALESCE(last_analyze, '1970-01-01Z') as last_analyze, 
- COALESCE(last_autoanalyze, '1970-01-01Z') as last_autoanalyze, 
- vacuum_count, 
- autovacuum_count, 
- analyze_count, 
- autoanalyze_count 
- FROM 
+ COALESCE(last_vacuum, '1970-01-01Z') as last_vacuum,
+ COALESCE(last_autovacuum, '1970-01-01Z') as last_autovacuum,
+ COALESCE(last_analyze, '1970-01-01Z') as last_analyze,
+ COALESCE(last_autoanalyze, '1970-01-01Z') as last_autoanalyze,
+ vacuum_count,
+ autovacuum_count,
+ analyze_count,
+ autoanalyze_count
+ FROM
  pg_stat_user_tables
  metrics:
  - datname:
@@ -145,7 +145,7 @@ pg_statio_user_tables:
  - tidx_blks_hit:
  usage: "COUNTER"
  description: "Number of buffer hits in this table's TOAST table indexes (if any)"
- 
+
 pg_database:
  query: "SELECT pg_database.datname, pg_database_size(pg_database.datname) as size_bytes FROM pg_database"
  master: true
@@ -229,7 +229,7 @@ pg_stat_statements:
  usage: "COUNTER"
  description: "Total time the statement spent writing blocks, in milliseconds (if track_io_timing is enabled, otherwise zero)"
 
-pg_stat_activity:
+pg_process_idle:
  query: |
  WITH
  metrics AS (
@@ -259,16 +259,16 @@ pg_stat_activity:
  )
  SELECT
  application_name,
- process_idle_seconds_sum,
- process_idle_seconds_count,
- ARRAY_AGG(le) AS process_idle_seconds,
- ARRAY_AGG(bucket) AS process_idle_seconds_bucket
+ process_idle_seconds_sum as seconds_sum,
+ process_idle_seconds_count as seconds_count,
+ ARRAY_AGG(le) AS seconds,
+ ARRAY_AGG(bucket) AS seconds_bucket
  FROM metrics JOIN buckets USING (application_name)
  GROUP BY 1, 2, 3
  metrics:
  - application_name:
  usage: "LABEL"
  description: "Application Name"
- - process_idle_seconds:
+ - seconds:
  usage: "HISTOGRAM"
  description: "Idle time of server processes"