CREATE OR REPLACE FUNCTION transactions.get_transaction_master_id_by_stock_master_id(_stock_master_id bigint)
RETURNS bigint
LANGUAGE plpgsql
AS $function$
BEGIN
RETURN
(
SELECT transactions.stock_master.transaction_master_id
FROM transactions.stock_master
WHERE transactions.stock_master.stock_master_id=$1
);
END
$function$