zoukankan      html  css  js  c++  java
  • mysql 删除批量删除表

    BEGIN
    declare done int default false;
    declare table_name_str VARCHAR(64);
    declare table_rows_mum int;
    DECLARE sqltext VARCHAR(2000); # 拼接sql串
    DECLARE auto_sql_str VARCHAR(2000);

    declare _Cur cursor for select table_name,table_rows from information_schema.`TABLES` where TABLE_SCHEMA = 'tzgame' and table_rows = 0 order by table_rows desc ;#主订单查询
    declare continue HANDLER for not found set done = true;
    OPEN _Cur;
    FETCH _Cur INTO table_name_str,table_rows_mum;
    while(not done) do
    set sqltext:= CONCAT('TRUNCATE ', table_name_str,';');
    set auto_sql_str:= CONCAT(' ALTER TABLE ', table_name_str, ' AUTO_INCREMENT = 1; ');

    PREPARE STMT FROM sqltext;
    EXECUTE STMT;

    PREPARE STMT FROM auto_sql_str;
    EXECUTE STMT;

    fetch _Cur into table_name_str,table_rows_mum;
    end while;
    CLOSE _Cur;
    end

  • 相关阅读:
    IDEA调试快捷键
    视频预览
    文件上传:简单的demo
    Java 运行时优化
    Java 类加载
    Java StringTable
    Java 为什么不用Vector
    C++ 查找函数
    JVM 垃圾回收
    JVM 直接内存
  • 原文地址:https://www.cnblogs.com/chenkg/p/8974115.html
Copyright © 2011-2022 走看看