SELECT "SPOOLER_ID" AS "JOB_SCHEDULER", "JOB_CHAIN", 
       "ORDER_ID", COUNT(*) AS "ORDER_COUNT", 
       SUM("END_TIME"-"START_TIME") AS "ELAPSED"
  FROM SCHEDULER_ORDER_HISTORY s
 WHERE "START_TIME" >= CURRENT_DATE - 10
   AND COALESCE(CAST("END_TIME" AS DATE), CURRENT_DATE - 1) <= CURRENT_DATE
 GROUP BY 1, 2, 3;