mysql 批量更新数据类型

Posted 2020-10-21 mickey_wang

select column_name,data_type,CONCAT(‘alter table `‘,table_name,‘` modify column `‘,column_name,‘` datetime;‘)
  from information_schema.`COLUMNS`
 where TABLE_SCHEMA=‘pv_2‘
   and data_type = ‘timestamp‘;

TABLE_SCHEMA 为数据库名称

data_type 为条件数据类型

datetime 为目标数据类型