Re: Having a MongoDB connector for Django

[Michael Manfre]

Another voice piling on to the "this is not a good idea" train. I inherited
a Mongo backed project at my day job that is filled with data that should
have been put in a relational database. Mongo is the wrong tool for the job
(and we're migrating off it). I tried putting an ORM in front of it to make
things a bit easier, but I gave up.  My many years of supporting a 3rd
party database backend for Django gave me the insight to realize that it
would take a lot of effort and ultimately would probably never work as well
as migrating the data to a more appropriate database. It was definitely a
lot of fun to tinker on it, but not something I'd ever want to support in
production.

Regards,
Michael Manfre

On Fri, Sep 8, 2017 at 12:57 PM Adam Johnson  wrote:

> I agree, I think forcing Django's ORM to work on MongoDB is not a great
> idea. Django relies heavily on transactions and other relational goodness.
>
> Have you tried storing JSON in your Postgres/MySQL database? Django can
> work with that with contrib.postgres/django-mysql 
>
> On 8 September 2017 at 16:51, 'Tom Evans' via Django developers
> (Contributions to Django itself) 
> wrote:
>
>> Short answer: always use the appropriate tool
>>
>> Relational databases and document stores have different uses and
>> purposes. Using a document store like a relational database (eg, with
>> an ORM (emphasis on the R)) is a bad idea, and using a relational
>> database as a document store is similarly foolish.
>>
>> Work out what questions you want to ask of your data, then structure
>> the data in a way that allows you to query it efficiently.
>>
>> If the format desired is a document store, I wouldn't attempt to
>> shoehorn that in to an ORM wrapper, I'd use something like mongothon.
>>
>> Cheers
>>
>> Tom
>>
>> On Fri, Sep 8, 2017 at 8:50 AM, Nes Dis  wrote:
>> > Hello
>> >
>> > I am wondering what is the state of the art on Django having a backend
>> > connector for MongoDB database backend. There are a few solutions out
>> there
>> > but they don't work as expected.
>> >
>> > A possible solution for this is to have a connector which translates SQL
>> > queries created in Django, into MongoDB queries.
>> >
>> > I would like to hear the expert opinion from the esteemed members of
>> this
>> > group on this concept.
>> >
>> > A working solution for this can be found here: djongo. (Django + Mongo =
>> > Djongo) The project is hosted on github.
>> >
>> > Regards
>> > Nes Dis
>> >
>> > --
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>> >
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>> .
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>
>
>
> --
> Adam
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Re: Having a MongoDB connector for Django

[Tom Forbes]

JSON support in postgres is a great middle ground for storing unstructured
documents.

I don't know the specifics of your application, but I would be surprised if
a document orientated database is a perfect fit. The majority of such apps
are semi-structured, where you have some relations but also some
unstructured data. Postgres is an absolutely perfect fit for this.

On 8 Sep 2017 17:57, "Adam Johnson"  wrote:

I agree, I think forcing Django's ORM to work on MongoDB is not a great
idea. Django relies heavily on transactions and other relational goodness.

Have you tried storing JSON in your Postgres/MySQL database? Django can
work with that with contrib.postgres/django-mysql 

On 8 September 2017 at 16:51, 'Tom Evans' via Django developers
(Contributions to Django itself)  wrote:

> Short answer: always use the appropriate tool
>
> Relational databases and document stores have different uses and
> purposes. Using a document store like a relational database (eg, with
> an ORM (emphasis on the R)) is a bad idea, and using a relational
> database as a document store is similarly foolish.
>
> Work out what questions you want to ask of your data, then structure
> the data in a way that allows you to query it efficiently.
>
> If the format desired is a document store, I wouldn't attempt to
> shoehorn that in to an ORM wrapper, I'd use something like mongothon.
>
> Cheers
>
> Tom
>
> On Fri, Sep 8, 2017 at 8:50 AM, Nes Dis  wrote:
> > Hello
> >
> > I am wondering what is the state of the art on Django having a backend
> > connector for MongoDB database backend. There are a few solutions out
> there
> > but they don't work as expected.
> >
> > A possible solution for this is to have a connector which translates SQL
> > queries created in Django, into MongoDB queries.
> >
> > I would like to hear the expert opinion from the esteemed members of this
> > group on this concept.
> >
> > A working solution for this can be found here: djongo. (Django + Mongo =
> > Djongo) The project is hosted on github.
> >
> > Regards
> > Nes Dis
> >
> > --
> > You received this message because you are subscribed to the Google Groups
> > "Django developers (Contributions to Django itself)" group.
> > To unsubscribe from this group and stop receiving emails from it, send an
> > email to django-developers+unsubscr...@googlegroups.com.
> > To post to this group, send email to django-developers@googlegroups.com.
> > Visit this group at https://groups.google.com/group/django-developers.
> > To view this discussion on the web visit
> > https://groups.google.com/d/msgid/django-developers/b0ce04d1
> -62cb-4765-b850-06c4a5b0607f%40googlegroups.com.
> > For more options, visit https://groups.google.com/d/optout.
>
> --
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> gid/django-developers/CAFHbX1%2BNpZuWrAgcMwkcJQ4Xg4TrM700JRs
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> For more options, visit https://groups.google.com/d/optout.
>



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.

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Re: Having a MongoDB connector for Django

[Adam Johnson]

I agree, I think forcing Django's ORM to work on MongoDB is not a great
idea. Django relies heavily on transactions and other relational goodness.

Have you tried storing JSON in your Postgres/MySQL database? Django can
work with that with contrib.postgres/django-mysql 

On 8 September 2017 at 16:51, 'Tom Evans' via Django developers
(Contributions to Django itself)  wrote:

> Short answer: always use the appropriate tool
>
> Relational databases and document stores have different uses and
> purposes. Using a document store like a relational database (eg, with
> an ORM (emphasis on the R)) is a bad idea, and using a relational
> database as a document store is similarly foolish.
>
> Work out what questions you want to ask of your data, then structure
> the data in a way that allows you to query it efficiently.
>
> If the format desired is a document store, I wouldn't attempt to
> shoehorn that in to an ORM wrapper, I'd use something like mongothon.
>
> Cheers
>
> Tom
>
> On Fri, Sep 8, 2017 at 8:50 AM, Nes Dis  wrote:
> > Hello
> >
> > I am wondering what is the state of the art on Django having a backend
> > connector for MongoDB database backend. There are a few solutions out
> there
> > but they don't work as expected.
> >
> > A possible solution for this is to have a connector which translates SQL
> > queries created in Django, into MongoDB queries.
> >
> > I would like to hear the expert opinion from the esteemed members of this
> > group on this concept.
> >
> > A working solution for this can be found here: djongo. (Django + Mongo =
> > Djongo) The project is hosted on github.
> >
> > Regards
> > Nes Dis
> >
> > --
> > You received this message because you are subscribed to the Google Groups
> > "Django developers (Contributions to Django itself)" group.
> > To unsubscribe from this group and stop receiving emails from it, send an
> > email to django-developers+unsubscr...@googlegroups.com.
> > To post to this group, send email to django-developers@googlegroups.com.
> > Visit this group at https://groups.google.com/group/django-developers.
> > To view this discussion on the web visit
> > https://groups.google.com/d/msgid/django-developers/
> b0ce04d1-62cb-4765-b850-06c4a5b0607f%40googlegroups.com.
> > For more options, visit https://groups.google.com/d/optout.
>
> --
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> msgid/django-developers/CAFHbX1%2BNpZuWrAgcMwkcJQ4Xg4TrM700JRs
> YV_AnW05_9L3joA%40mail.gmail.com.
> For more options, visit https://groups.google.com/d/optout.
>



-- 
Adam

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Re: Having a MongoDB connector for Django

['Tom Evans' via Django developers (Contributions to Django itself)]

Short answer: always use the appropriate tool

Relational databases and document stores have different uses and
purposes. Using a document store like a relational database (eg, with
an ORM (emphasis on the R)) is a bad idea, and using a relational
database as a document store is similarly foolish.

Work out what questions you want to ask of your data, then structure
the data in a way that allows you to query it efficiently.

If the format desired is a document store, I wouldn't attempt to
shoehorn that in to an ORM wrapper, I'd use something like mongothon.

Cheers

Tom

On Fri, Sep 8, 2017 at 8:50 AM, Nes Dis  wrote:
> Hello
>
> I am wondering what is the state of the art on Django having a backend
> connector for MongoDB database backend. There are a few solutions out there
> but they don't work as expected.
>
> A possible solution for this is to have a connector which translates SQL
> queries created in Django, into MongoDB queries.
>
> I would like to hear the expert opinion from the esteemed members of this
> group on this concept.
>
> A working solution for this can be found here: djongo. (Django + Mongo =
> Djongo) The project is hosted on github.
>
> Regards
> Nes Dis
>
> --
> You received this message because you are subscribed to the Google Groups
> "Django developers (Contributions to Django itself)" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to django-developers+unsubscr...@googlegroups.com.
> To post to this group, send email to django-developers@googlegroups.com.
> Visit this group at https://groups.google.com/group/django-developers.
> To view this discussion on the web visit
> https://groups.google.com/d/msgid/django-developers/b0ce04d1-62cb-4765-b850-06c4a5b0607f%40googlegroups.com.
> For more options, visit https://groups.google.com/d/optout.

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Having a MongoDB connector for Django

[Nes Dis]

Hello

I am wondering what is the state of the art on Django having a backend 
connector for MongoDB database backend. There are a few solutions out there 
but they don't work as expected. 

A possible solution for this is to have a connector which translates SQL 
queries created in Django, into MongoDB queries.

I would like to hear the *expert opinion *from the esteemed members of this 
group on this concept.

A working solution for this can be found here: djongo 
. (Django + Mongo = Djongo) The project 
is hosted on github.

Regards
Nes Dis

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