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public.getmanagepercentavailnodewindow_(function)
{| border="1" cellpadding="5" cellspacing="0" style="border-collapse:collapse" |- valign="top" | '''Function''' | public.getmanagepercentavailnodewindow |} === Source === {{{{<nowiki> 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; $function$ </nowiki>}}}}
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