运行规范时，有没有办法停止增加mysql中的自动增量值？

Question

I have about 100 specs, In a Sinatra project I'm currently developing. For testing I'm currently using rspec + DatabaseCleaner with the :transaction strategy.

Some of those specs require creating new records in the database and thus they increase the auto increment table value in mysql. Is there a way I can run my tests with the transaction strategy, without increasing the auto increment value using DatabaseCleaner or another gem?

Edit: I would like for auto_increment to have the value it had before the tests ran.

Answer 1

Reset the value to some known value after tests. Have a look here...

How to reset AUTO_INCREMENT in MySQL?

Answer 2

I am assuming that at the time of test no record will insert from production or outside test.

First get last auto_id from your table by below command-

select max(id) from mytable;

Suppose it was 240125

Now start your test and after completion your test do as per below-

First delete all newly created auto_ids-

delete from mytable where id>240125;

Now set auto_increment from this possition.

alter table mytable AUTO_INCREMENT=240126;