MYSQL分表DDL操作（存储过程）

思路是获取数据的表名，然后拿到表名进行修改。

drop procedure if exists useCursor;  
CREATE PROCEDURE useCursor()  
  BEGIN  
    DECLARE oneAddr varchar(36) default '';  
    DECLARE allAddr varchar(40) default '';  
    DECLARE done INT DEFAULT 0;  
    DECLARE curl CURSOR FOR select table_name from information_schema.tables where table_schema='数据库' and table_name like  '表民_%';  
    DECLARE CONTINUE HANDLER FOR NOT FOUND SET done = 1;  
    OPEN curl;  
    REPEAT  
      FETCH curl INTO oneAddr;  
      IF not done THEN  
         set @sql=concat('alter table  ',oneAddr," add 字段名 VARCHAR(32) NOT NUll DEFAULT '' COMMENT 'xxx'; ");
         PREPARE stmt from @sql; 
         execute stmt;
      END IF;  
    UNTIL done END REPEAT;  
    select allAddr;
    CLOSE curl;     
  END;  
call useCursor();