通過(准備語句+視圖+靜態游標)實現
-- 建立測試表和數據 create table webuser (username varchar(10)); insert into webuser values ('a1'),('a2'),('a3'),('b1'),('b2'),('b3'); commit; -- 建立存儲過程 drop procedure if exists dynamic_cursor; delimiter // CREATE PROCEDURE dynamic_cursor (IN p_name varchar(10)) BEGIN DECLARE done INT DEFAULT 0; DECLARE v_username varchar(10); DECLARE cur CURSOR for( SELECT username from webuser_view); DECLARE CONTINUE HANDLER FOR NOT FOUND SET done = 1; DROP VIEW IF EXISTS webuser_view; SET @sqlstr = "CREATE VIEW webuser_view as "; SET @sqlstr = CONCAT(@sqlstr , "SELECT username FROM webuser WHERE username like '", p_name,"%'"); PREPARE stmt FROM @sqlstr; EXECUTE stmt; DEALLOCATE PREPARE stmt; OPEN cur; f_loop:LOOP FETCH cur INTO v_username; IF done THEN LEAVE f_loop; END IF; SELECT v_username; END LOOP f_loop; CLOSE cur; END; // delimiter ; -- 測試 call dynamic_cursor('a');