"Stefan Schuster" <[EMAIL PROTECTED]> wrote:
> Hi,
> 
> I have a question about auto_increment:
> 
> I have 2 tables, on of them holds my "online transactions", the other
> one the "offline transactions". Every transaction is created in the
> first table (call it t1) and then moved to t2. The id is generated using
> auto_increment.
> 
> My problem is that the id's should be unique across both
> tables. If I dont restart the server this works fine, but if I
> restart it, mySQL assigns the lowest number for the new row in
> t1, but this id exits already in t2 which results in an error
> if I try to move from t1 to t2.
> 
> I hope I explained the problem in a appropriate way.
> 
> How can I tell mySQL to hold the auto_increment counter for
> Table t1 persistent ?

Do you use InnoDB tables? If so, it's a known behavior. If you restart MySQL server 
InnoDB may reuse old value for AUTO_INCREMENT column.


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