Re: Dr. Miguel 'Optimistic Locking' Arroz [was Re: WebObjects stress Testing tool?]
Re: Dr. Miguel 'Optimistic Locking' Arroz [was Re: WebObjects stress Testing tool?]
- Subject: Re: Dr. Miguel 'Optimistic Locking' Arroz [was Re: WebObjects stress Testing tool?]
- From: Lachlan Deck <email@hidden>
- Date: Sat, 5 Dec 2009 17:36:35 +1100
On 04/12/2009, at 11:17 PM, Kieran Kelleher wrote:
> Fair enough. Finally, we have one specific strike against it. ;-)
Two actually. Non transactional ddl operations.
> Since we have Delete rules in the EOModel, is this feature a "safety net" that is needed for external non-WO apps that are accessing the database?
No (though that's certainly a benefit for sysadmins). It means you cannot commit changes with the hope it'll save .. because it doesn't defer constraint checks (for foreign keys etc) until the end but per insert/update.
> I have never implemented constraints and have yet to have an orphan record since transactions/rollback protect against that, right?
That's been my experience also.
with regards,
--
Lachlan Deck
_______________________________________________
Do not post admin requests to the list. They will be ignored.
Webobjects-dev mailing list (email@hidden)
Help/Unsubscribe/Update your Subscription:
This email sent to email@hidden