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mysql游标实现复制表数据

BEGIN
  DECLARE cflag bit DEFAULT 0;
  DECLARE cid int;
  declare cname VARCHAR(16);

  --声明一个游标
  declare cur_copy CURSOR for select id,name from fruit;

  --设置游标结束标记
  DECLARE CONTINUE HANDLER for not found set cflag=1;

  --开启游标
  OPEN cur_copy;

    --循环取出游标里的值
    read_loop:loop
      FETCH cur_copy into cid,cname;

      --循环结束标记
      if cflag=1 then leave read_loop;
      end if;
      insert into fruit_copy(id,name) values(cid,cname);
      end loop;
  close cur_copy;
END

mysql游标实现复制表数据

标签:UI   bit   values   sel   循环   open   copy   close   val