Re: DB2 and WebObjects
Re: DB2 and WebObjects
- Subject: Re: DB2 and WebObjects
- From: Chuck Hill <email@hidden>
- Date: Sun, 6 Apr 2008 17:26:41 -0700
Hi Andrew,
On Apr 6, 2008, at 5:09 PM, Andrew Lindesay wrote:
Hello;
A couple of years ago I was investigating DB2 and WO. A couple of
people were kind enough to point me in the right direction. I've
got another question. I could be wrong, but suspect that DB2
doesn't support deferred RI checks -- if this is the case, how are
people managing to work around this problem with EOF? Chuck; does
your operations ordering system work for more than just MSSQL?
It works for anything. It is high enough up in EOF to be DB agnostic.
It is just _needed_ for MSSQL. I leave it on when using FrontBase
(which is most of the time).
David Avendasora pointed out a bug in it if you are using self-
referential relationships (entity with a relationship to itself). I
gave him a patch, but I really need to rethink some parts of that
code. It works for most things, but I think there are some more buggy
cases. It also does not (yet) order operations on the same table
which self-referential relationships really need.
No deferred constraints. Sigh. DB2 just dropped a notch in the
respect that I had for it.
Chuck
--
Practical WebObjects - for developers who want to increase their
overall knowledge of WebObjects or who are trying to solve specific
problems.
http://www.global-village.net/products/practical_webobjects
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