Re: Serialize QuerySet Q (not the result)

Up to now only Q objects. If you know how to serialize aggregation / annotations, this would be great :-)

Am Dienstag, 21. April 2015 14:35:52 UTC+2 schrieb Vijay Khemlani:

Do you only need to serialize Q objects? No aggregation / annotations?

On Tue, Apr 21, 2015 at 8:00 AM, guettli <h...@tbz-pariv.de> wrote:

Am Montag, 20. April 2015 17:12:21 UTC+2 schrieb Vijay Khemlani:

Are the queries associated with a certain form? Or they are arbitrary queries?

Good question. I would prefer a solution which is not associated with a form. It is
only associated with a model.

Otherwise it would be easy. I just need to store the input values of the form.

I know that is very hard to make all filtering features available. But at least the basic
filtering should be serializable.

Regards,
  Thomas Güttler
 

On Mon, Apr 20, 2015 at 10:01 AM, guettli <h...@tbz-pariv.de> wrote:

We want to store the QuerySet query (not the result) some how.

Background: users should be able to save a complex query as "my favorite query".

Pickling querysets is possible, but version updates are not supported:

  https://docs.djangoproject.com/en/1.8/ref/models/querysets/#pickling-querysets

Simple queries (without OR) could be saved as dictionary.

I have in mind some mini language which enables to store Q object instances:

 Q(foo='bar', blu='bla') | Q(foo='x', blu='y')

And ordering ....

Before reinventing the wheel, I want to ask if someone has seen or done
something like this before.

I could not find an existing project. But maybe I used the wrong keywords for
my favorite search engine.

Regards,
  Thomas Güttler

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