Hi, Straight from the docs:
https://docs.djangoproject.com/en/1.8/ref/models/querysets/#pickling-querysets "If you only want to pickle the necessary information to recreate the QuerySet from the database at a later time, pickle the query attribute of the QuerySet." And in same place there even exists sample code how to restore pickled query. On Wed, 22 Apr 2015 02:18:11 -0700 (PDT) guettli <[email protected]> wrote: > 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 <[email protected] <javascript:>> > > 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 <[email protected]> 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 > >>>> > >>>> -- > >>>> You received this message because you are subscribed to the Google > >>>> Groups "Django users" group. > >>>> To unsubscribe from this group and stop receiving emails from it, send > >>>> an email to [email protected]. > >>>> To post to this group, send email to [email protected]. > >>>> Visit this group at http://groups.google.com/group/django-users. > >>>> To view this discussion on the web visit > >>>> https://groups.google.com/d/msgid/django-users/3f75c38e-d2c9-480c-9103-e4ea1bad8f88%40googlegroups.com > >>>> > >>>> <https://groups.google.com/d/msgid/django-users/3f75c38e-d2c9-480c-9103-e4ea1bad8f88%40googlegroups.com?utm_medium=email&utm_source=footer> > >>>> . > >>>> For more options, visit https://groups.google.com/d/optout. > >>>> > >>> > >>> -- > >> You received this message because you are subscribed to the Google Groups > >> "Django users" group. > >> To unsubscribe from this group and stop receiving emails from it, send an > >> email to [email protected] <javascript:>. > >> To post to this group, send email to [email protected] > >> <javascript:>. > >> Visit this group at http://groups.google.com/group/django-users. > >> To view this discussion on the web visit > >> https://groups.google.com/d/msgid/django-users/a8cc7fc6-4969-4d88-b39f-bd1511cfed54%40googlegroups.com > >> > >> <https://groups.google.com/d/msgid/django-users/a8cc7fc6-4969-4d88-b39f-bd1511cfed54%40googlegroups.com?utm_medium=email&utm_source=footer> > >> . > >> > >> For more options, visit https://groups.google.com/d/optout. > >> > > > > > > -- > You received this message because you are subscribed to the Google Groups > "Django users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/django-users. > To view this discussion on the web visit > https://groups.google.com/d/msgid/django-users/a4541c8f-9056-4e09-8a6b-a55fa2367b26%40googlegroups.com. > For more options, visit https://groups.google.com/d/optout. -- Jani Tiainen -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/django-users. To view this discussion on the web visit https://groups.google.com/d/msgid/django-users/20150422122700.63e5ffb9%40jns42-l.w2k.keypro.fi. For more options, visit https://groups.google.com/d/optout.
