mysql5.5中datetime默认值不能为NOW或者CURRENT_TIMESTAMP，用触发器解决
标签：mysql datatime ati body user 不能 mes 默认值 date
mysql5.5中datetime默认值不能为NOW或者CURRENT_TIMESTAMP，用触发器解决
DROP TRIGGER IF EXISTS default_datetime//
create trigger default_datetime before insert on ct_user
for each row
if new.create_time = ‘0000-00-00 00:00:00‘ then
set new.create_time = now();
end if;//