游标类型
最近更新时间: 2025-10-11 18:10:00
postgres=# CREATE OR REPLACE PROCEDURE p_refcursor (a_ref refcursor) AS
$$
DECLARE
v_rec record;
BEGIN
OPEN a_ref FOR SELECT * FROM t LIMIT 1;
FETCH a_ref INTO v_rec;
RAISE NOTICE 'v_rec = % ',v_rec;
END;
$$
LANGUAGE PLPGSQL;
CREATE PROCEDURE
postgres=# CALL p_refcursor('a');
NOTICE: v_rec = (1,Tbase)
CALL
postgres=#