I think you have to head this way.
https://docs.djangoproject.com/en/1.8/topics/db/managers/
According to this docs,
A Manager is the interface through which database query operations are
> provided to Django models. At least one Manager exists for every model in a
> Django application.
>
So, IMHO, you should check about solr and saving. I am not expert at things
related to Solr, elastic search etc. But, i doubt it would be wrong with
Solr.
On Wednesday, July 22, 2015 at 12:47:43 AM UTC+5:30, Manoj Bawane wrote:
>
> Hi Daniel,
>
> Yes, I read about Haystack and I am implementing it with Solr and Database
> I am using MySQL. While integrating it I am getting error for ManyToMany
> Model field.
> I am getting this error and I am not understand what is going wrong or
> what to do:
>
> Traceback (most recent call last):
> File
> "/usr/local/lib/python2.7/dist-packages/haystack/management/commands/update_index.py",
>
> line 210, in handle_label
> self.update_backend(label, using)
> File
> "/usr/local/lib/python2.7/dist-packages/haystack/management/commands/update_index.py",
>
> line 256, in update_backend
> do_update(backend, index, qs, start, end, total, self.verbosity)
> File
> "/usr/local/lib/python2.7/dist-packages/haystack/management/commands/update_index.py",
>
> line 78, in do_update
> backend.update(index, current_qs)
> File
> "/usr/local/lib/python2.7/dist-packages/haystack/backends/solr_backend.py",
> line 49, in update
> docs.append(index.full_prepare(obj))
> File "/usr/local/lib/python2.7/dist-packages/haystack/indexes.py", line
> 196, in full_prepare
> self.prepared_data = self.prepare(obj)
> File
> "/home/manoj/final-s4s-project/search4school/search4schoolapp/search_indexes.py",
>
> line 30, in prepare
> data = super(CollegeIndex, self).prepare(obj)
> File "/usr/local/lib/python2.7/dist-packages/haystack/indexes.py", line
> 187, in prepare
> self.prepared_data[field.index_fieldname] = field.prepare(obj)
> File "/usr/local/lib/python2.7/dist-packages/haystack/fields.py", line
> 152, in prepare
> return self.convert(super(CharField, self).prepare(obj))
> File "/usr/local/lib/python2.7/dist-packages/haystack/fields.py", line
> 100, in prepare
> return current_object()
> File
> "/usr/local/lib/python2.7/dist-packages/django/db/models/fields/related.py",
> line 843, in __call__
> manager = getattr(self.model, kwargs.pop('manager'))
> KeyError: u'manager'
>
> On Monday, 6 July 2015 21:36:43 UTC+5:30, daniel.franca wrote:
>>
>> Hi Manoj, have you tried Haystack? http://haystacksearch.org/
>> It's a simple API to make a search engine using Django, and you can
>> attach any of the available backends (Solr, Elasticsearch, Whoosh or
>> Xapian).
>>
>> Best,
>> Daniel
>>
>>
>> Em seg, 6 de jul de 2015 às 18:01, Manoj Bawane <[email protected]>
>> escreveu:
>>
>>> Hi All,
>>>
>>> I am planning to create a search engine for my city. Can you please
>>> suggest me Which technology I should prefer? I am new with Django, before
>>> that I have work with some web application using Java Spring. But now, I
>>> recently working in one project where I found Django is also nice framework
>>> to develop search engine sites. So Please any one suggest me,
>>>
>>> 1. How should I proceed to do this project using Django,
>>> 2. What other technology associated with Django which helps to make
>>> searching faster.
>>> 3. Which Open Source database will better
>>> 4. Where I can deploy my search engine, (will it need dedicated or
>>> shared host server).
>>>
>>> Please suggest your valuable opinion.
>>>
>>>
>>> Thanks to everyone.
>>>
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