pg_stat_statements:
  query: "SELECT query, calls, total_exec_time FROM pg_stat_statements"
  metrics:
    - name: "pg_stat_statements_total_exec_time"
      help: "Total execution time of the query"
      type: "counter"
      value: "total_exec_time"
      labels:
        - "query"
    - name: "pg_stat_statements_calls"
      help: "Total number of calls for the query"
      type: "counter"
      value: "calls"
      labels:
        - "query"