#2638: default ForeignKey field results in terrible scaling perfomance
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Reporter: [EMAIL PROTECTED] | Owner: adrian
Type: defect | Status: new
Priority: normal | Milestone:
Component: Validators | Version: 0.95
Severity: critical | Resolution:
Keywords: |
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Comment (by Karen Tracey <[EMAIL PROTECTED]>):
Yes, I think I've run into this also. I actually thought it was this
problem (list_display containing !ForeignKey create a dead loop):
http://groups.google.com/group/django-
users/browse_thread/thread/1d73cec767f42c38/84538ca609dceee2?lnk=gst&q=infinite+loop&rnum=1
but in my case I didn't have a loop in my !ForeignKey relations, just over
100,000 potential values for the !ForeignKey field. Trying to turn on
edit_inline in the admin for a model that pointed to one of these things
via !ForeignKey resulted in what appeared to be an infinite loop. I only
realized later that the problem was some code in admin was trying to
populate a list of choices for these things, which isn't feasible for my
DB. Malcolm alerted me that he thought I would also hit the problem
outside of admin if I just tried to create a manipulator for form
processing, but since I haven't gotten to needing to do that yet and I
don't need the edit_inline functionality, I hadn't gotten around to
worrying about/investigating that yet. I'm glad to hear there is already
a way to turn this behavior off; for my DB it would be better if "off" was
the default.
Just figured I'd mention that I did run afoul of this, in case it
influences what you decide to do with it.
--
Ticket URL: <http://code.djangoproject.com/ticket/2638>
Django <http://code.djangoproject.org/>
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