Public.getmanagepercentavailnodewindow (function)

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CREATE OR REPLACE FUNCTION public.getmanagepercentavailnodewindow(integer, timestamp without time zone, timestamp without time zone)

RETURNS double precision
LANGUAGE plpgsql

AS $function$

  DECLARE

nid ALIAS FOR $1; xtime ALIAS FOR $2; ytime ALIAS FOR $3; downtime float8 := 0.0; count integer := 0; rollingWindow float := 0; totalServiceTime float := 0;

  BEGIN

IF xtime < ytime THEN rollingWindow := EXTRACT (EPOCH FROM (ytime - xtime)); downtime := getManagedOutageForNodeInWindow(nid, ytime, xtime)/1000; ELSE rollingWindow := EXTRACT (EPOCH FROM (xtime - ytime)); downtime := getManagedOutageForNodeInWindow(nid, xtime, ytime)/1000; END IF; count := getManagedServiceCountForNode(nid); totalServiceTime := count * rollingWindow;

IF totalServiceTime > 0 THEN RETURN 100 * (1 - (downtime / totalServiceTime)); ELSE IF totalServiceTime = 0 THEN

                       RETURN 100;
               ELSE
                       RETURN -1;
               END IF;

END IF;

  END;

$function$ |- | Execute | Function | public.getmanagedoutagefornodeinwindow

|- | Execute | Function | public.getmanagedservicecountfornode