Django NoSQL support status?

[Nathan Hoad]

Hi guys, just wondering what the status is on the official NoSQL
support? I've done a lot of reading and the last official post I can
see is Alex Gaynor's GSoC post, from August last year mentioning the
Query refactor and how it should help down the road for NoSQL, but
nothing past that.

Basically, I'm just wondering what, if anything, is being done about
it?

Thanks,

Nathan.

[Russell Keith-Magee]

On Fri, Aug 12, 2011 at 11:25 AM, Nathan Hoad <nat...@getoffmalawn.com> wrote:
> Hi guys, just wondering what the status is on the official NoSQL
> support? I've done a lot of reading and the last official post I can
> see is Alex Gaynor's GSoC post, from August last year mentioning the
> Query refactor and how it should help down the road for NoSQL, but
> nothing past that.

There are two efforts in play here:

1) The "official" effort, that was largely worked on during the GSoC last year

2) The "unofficial" effort, largely the work of the guys at All
Buttons Pressed. See
http://www.allbuttonspressed.com/projects/django-nonrel for details.

(I use "official" in quotes because I don't want to imply that the
"unofficial" port is broken in some way or that the "official" port is
better -- just that the "unofficial" version hasn't been developed
without any particular core team involvement. The reported feature set
of the "unofficial" branch is certainly more advanced than the
"official" branch)

The progress on these two efforts (from the perspective of the Django
core) has been stalled, for different reasons.

The "official" effort has stalled because Alex hasn't been actively
pursuing the branch; there are some good ideas in the branch, but
there are also a couple of big design issues that need to be made
before the branch would be a candidate for merging (such as how to
deal with non-integer autofields). See the mailing list discussions
for more details on these problems.

The "unofficial" effort is being actively worked on (AFAIK), but the
impediment on getting it near core is a lack of external review.
Despite repeated calls for independent review of the internals, none
has been forthcoming.

Speaking personally: I've only had one report from someone I trust
that has used django-nonrel; and I haven't seen a good analysis of
"how it does what it does". NoSQL isn't a huge priority for me
personally, and so addressing other problems has taken a priority. I
think it's safe to assume the same is true of the other core
developers.

> Basically, I'm just wondering what, if anything, is being done about
> it?

Is there a core developer actively working on the topic right now? Not
to my knowledge.

Is the core team interested in getting NoSQL support into trunk?
Absolutely -- if it can be done without compromising the rest of
Django's ORM, and if members of the community can work together to
either:
1) resolve the issues in the "official" branch, or
2) build the social trust around the "unofficial" branch to show that
it warrants inclusion in trunk.

Yours
Russ Magee %-)

[Nathan Hoad]

Thanks for the update Russell.

I know of the unofficial effort by the All Buttons Pressed guys - I've
just started using it at this week!

Personally, I think the best approach would be inclusion of the
unofficial branch, to save work reimplementing what's already been
done. Is there anything I could be actively doing to speed up the
process, or help it in any way?

Thanks,

Nathan.

On Aug 12, 1:51 pm, Russell Keith-Magee <russ...@keith-magee.com>
wrote:

> On Fri, Aug 12, 2011 at 11:25 AM, Nathan Hoad <nat...@getoffmalawn.com> wrote:
> > Hi guys, just wondering what the status is on the official NoSQL
> > support? I've done a lot of reading and the last official post I can
> > see is Alex Gaynor's GSoC post, from August last year mentioning the
> > Query refactor and how it should help down the road for NoSQL, but
> > nothing past that.
>
> There are two efforts in play here:
>
> 1) The "official" effort, that was largely worked on during the GSoC last year
>
> 2) The "unofficial" effort, largely the work of the guys at All

> Buttons Pressed. Seehttp://www.allbuttonspressed.com/projects/django-nonrelfor details.

[Mike Malone]

I've been away from these efforts for a while, but someone interested in bridging SQL/NoSQL in Django might find these links interesting:

http://msdn.microsoft.com/library/bb308959.aspx

http://cacm.acm.org/magazines/2011/4/106584-a-co-relational-model-of-data-for-large-shared-data-banks/fulltext

http://unqlspec.org/display/UnQL/Syntax+Summary

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