CREATE OR REPLACE FUNCTION trig_su_while() RETURNS trigger AS $trig_su_while$
    DECLARE
        i INTEGER;
    BEGIN
	i := 0;
	WHILE i < 1 LOOP
	    INSERT INTO temp( hash ) VALUES( MD5( RANDOM() ) );
	    i := i + 1;
        END LOOP;
        RETURN NEW;
    END;
$trig_su_while$ LANGUAGE plpgsql;

CREATE TRIGGER trig_su_while AFTER UPDATE ON temp
    EXECUTE PROCEDURE trig_su_while();
    
    



CREATE OR REPLACE FUNCTION trig_su_if() RETURNS trigger AS $trig_su_if$
    BEGIN
	IF 1=1 THEN
	    INSERT INTO temp( hash ) VALUES( MD5( RANDOM() ) );
        END IF;
        RETURN NEW;
    END;
$trig_su_if$ LANGUAGE plpgsql;

CREATE TRIGGER trig_su_if AFTER UPDATE ON temp
    EXECUTE PROCEDURE trig_su_if();
    
    
    

CREATE OR REPLACE FUNCTION trig_be_k_strukt() RETURNS trigger AS $trig_be_k_strukt$
    BEGIN
	INSERT INTO temp( hash ) VALUES( MD5( RANDOM() ) );
        RETURN NEW;
    END;
$trig_be_k_strukt$ LANGUAGE plpgsql;

CREATE TRIGGER trig_be_k_strukt AFTER UPDATE ON temp
    EXECUTE PROCEDURE trig_be_k_strukt();