To me, sorting is something that should really occur at the UI or
'use' level. Also, if you consider the amount of CPU needed to sort
the EOs returned to you, it's probably comparable to what the DB has
to do anyway, so why not distribute it?
On Aug 22, 2007, at 9:22 PM, Lachlan Deck wrote:
On 23/08/2007, at 10:46 AM, Chuck Hill wrote:
On Aug 22, 2007, at 5:09 PM, Lachlan Deck wrote:
Hi there,
EOEntity has a restrictingQualifier that's applied to every fetch
for the relevant entity.
Is there any similar mechanism for installing a default ordering
for fetched objects of each entity (e.g., when following a toMany
relationship)? Or any delegate methods somewhere?
No. And don't override the EOF methods to do this or you risk
messing with EOF. And we all know how that ends up. :-) The
reason for the lack of sorting, as I understand it, is that EOF
would then need to keep the list sorted each time something was
added to it.
It's already keeping them sorted (think about it...). Just not how
I'd like.
Furthermore, it's impossible to fetch records from a database
without them sorted in some kind of order. I'm simply wanting to
override the arbitrary sort order that the database wants to return
to suit this particular application.
And what if you wanted alternate sorts?
Simply apply the default sorting in the absence of a specific sort
orderings array. Not hard conceptually.
The standard approach is to have a cover method that sorts the
contents of the relationship and returns it.
Which kinda makes *every* toMany relationship generated from each
EOEntity useless don't you think?
with regards,
--
Lachlan Deck
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