http://code.djangoproject.com/ticket/6605
Malcolm Tredinnick написав:
> On Thu, 2008-02-14 at 02:29 -0800, sector119 wrote:
> > Due to subject it's not longer possible to use iexact, icontains,
> > istartswith, iendswith lookup_type in lookup type with int4, int8, ...
> > filed types!
> >
> > May be we have to add something like this to the db/models/query.py
> > get_where_clause:
> >
> > if lookup_type in ('iexact', 'icontains', 'istartswith', 'iendswith'):
> > format = '%s::text %s'
>
> Could you open a ticket for this please so that it isn't forgotten.
>
> I suspect that, rather than your solution, we'll probably just drop
> those lookup types general comparison when they are used against
> non-text fields (and raise errors for things like "contains" when used
> with non-text fields). It doesn't make a lot of sense to do partial
> string matches against non-strings. However, that's just my immediate
> thought and I might change my mind later after thinking about it more or
> being beaten about the head and shoulders by some other maintainer.
>
> Anyway, if you can make sure we've logged this in Trac, that would be a
> great help.
>
> Thanks,
> Malcolm
>
> --
> Honk if you love peace and quiet.
> http://www.pointy-stick.com/blog/
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