#32380: GeoDjango lookups must be accept F() input
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Reporter: mohammadhasanzadeh | Owner: nobody
Type: New feature | Status: new
Component: GIS | Version: 2.2
Severity: Normal | Resolution:
Keywords: geodjango | Triage Stage: Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
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Description changed by mohammadhasanzadeh:
Old description:
> For example, if we need to calculate the distance between two model field
> with the `distance_gte` lookup like the following:
>
> {{{
> return
> queryset.filter(checkin_position__distance_gte=(F("doctor_location__location__position"),
> D(km=200)) )
> }}}
>
> We will get the following error:
> `ValueError: Cannot use object with type F for a spatial lookup
> parameter.`
>
> Note that `doctor_location__location__position` is a `PointField`.
New description:
For example, if we need to calculate the distance between two field of the
model with the `distance_gte` lookup like the following:
{{{
return
queryset.filter(checkin_position__distance_gte=(F("doctor_location__location__position"),
D(km=200)) )
}}}
We will get the following error:
`ValueError: Cannot use object with type F for a spatial lookup
parameter.`
Note that `doctor_location__location__position` is a `PointField`.
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Ticket URL: <https://code.djangoproject.com/ticket/32380#comment:1>
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