F function?

[Chad Vernon]

I was looking at this snippet:

http://djangosnippets.org/snippets/1560/#comments

And on this line:

ReportField.objects.filter(order__range=range).update(order=F('order')+shift)

What is the F in F('order')?

Thanks!

Chad

[Chad Vernon]

Nevermind, found it!  Was having a hard time searching for "F" :)

https://docs.djangoproject.com/en/1.4/topics/db/queries/#query-expressions

[Jirka Vejrazka]

Pro tip:  if you find yourself in a similar situation again, try searching Django code for "def F(" and "class F(" - that should narrow your search a bit :)

  Cheers

    Jirka

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