Difference between revisions of "Public.getpercentavailabilityinwindow (function)"
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Revision as of 15:52, 7 August 2009
wikibot
| function | public.getpercentavailabilityinwindow |
CREATE OR REPLACE FUNCTION public.getpercentavailabilityinwindow(integer, character varying, integer, timestamp without time zone, timestamp without time zone) RETURNS double precision LANGUAGE plpgsql AS $function$ DECLARE nid ALIAS FOR $1; ipid ALIAS FOR $2; sid ALIAS FOR $3; xtime ALIAS FOR $4; ytime ALIAS FOR $5; downtime float8; BEGIN downtime := getOutageTimeInWindow(nid, ipid, sid, xtime, ytime); IF xtime > ytime THEN RETURN 100 * (1 - (downtime / (EXTRACT(EPOCH FROM (xtime - ytime))* 1000))); ELSE RETURN 100 * (1 - (downtime / (EXTRACT(EPOCH FROM (ytime - xtime))* 1000))); END IF; END; $function$
