postgres 存儲過程 select 結果 變量賦值

 寫Postgres存儲過程時，不曉得怎么講select查出的值賦值給變量，今天知道了用select INTO 

 

 

create or replace function "public"."getdescription"() returns varchar as

$body$

DECLARE

        temp varchar; 

BEGIN

        select code into temp from cfvariable where id=223;

        raise notice 'code %', temp; 

        return temp;

end

$body$

LANGUAGE 'plpgsql' volatile called on null input security invoker;