[Zope] ZSQL Method Question

[John Schinnerer]

Aloha,

Is this even easier solution only for postgreSQL, or is it for MySQL?
I am going to have to start working with integrating MySQL into 
zope-based stuff soon so I'm trying to get a head start... :-)

thanks,
John S.

Tino Wildenhain wrote:
> Peter Bengtsson wrote:
> 
>>What if you have 1,000,000 requests/sec?
>>What if between the INSERT and the LAST_INSERT_ID() another INSERT is made?
>>
>>I use PostgreSQL and with postgres you can always ask the sequence what
>>the next id is going to be. It goes something like this::
>>
>>next_id = context.GetNextId()[0].next_id
>>context.SQLInsertUser(uid=next_id, name='Peter')
>>
>>where 'GetNextId' is a ZSQL method that looks like this::
>>
>><params></params>
>>SELECT NEXTVAL('users_uid_seq') AS next_id
> 
> 
> Its even easier:
> one ZSQL Method:
> 
> INSERT INTO foo (foo_id,blah,bar) VALUES
> (nextval('foo_foo_id_seq'),<dtml-sqlvar blah> ... );
> SELECT CURRVAL('foo_foo_id_seq') as foo_id;
> 
> But your above solution is valid too.
> 
> Regards
> Tino
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-- 

John Schinnerer - MA, Whole Systems Design
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