CREATE FUNCTION fngetlastcodeofvillage( IN districtname text, IN talukname text, IN villagenam text) RETURNS setof text AS $BODY$ BEGIN SELECT schcd FROM villagerural_school_form where districtna=$1 and talukname=$2 and villagenam=$3 order by id desc limit 1 IF schcd IS NULL THEN RETURN census2011||01 from villagerural where districtna=$1 and talukname=$2 and villagenam=$3 else return schcd+01 from villagerural_school_form where districtna=$1 and talukname=$2 and villagenam=$3 END IF; END; $BODY$ LANGUAGE sql VOLATILE COST 100 ROWS 1000; ALTER FUNCTION fngetlastcodeofvillage(text, text, text) OWNER TO postgres;
var
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