delimiter $$create function pbi_db.get_category_list() returns varchar(255)begin declare finished default 0; declare category_list varchar(255); declare name varchar(50); declare category_list_cur cursor for select name from category; declare continue handler for not found set finished=1; open category_list_cur; get_name_list: loop fetch category_list_cur into name; if finished then leave get_name_list; end if set category_list = CONCAT(category_list,",",name); end loop get_name_list; close category_list_cur; return SUBSTR(list,3);end$$delimiter ;
报错：mysql> source /home/hadoop/quinton/procPractice/get_category_list.sql ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'default 0; declare category_list varchar(255); declare name varchar(50); decl' at line 3
[解决办法] ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'default 0; 这种错误就是告诉你，你的SQL语法错误了，并且通过use near '...'来标示你的SQL语法错在哪个地方。 [解决办法] declare finished int default 0; 声明finished未指定数据类型的原因导致的。
