[erlang-questions] How to use Mnesia Database from C/C++/Java ?

[Kiran Subbaraman]

Amritpal Singh wrote:
>
> Dear All,
>
> I am completely novice to Erlang, though have been working into 
> telecom domain for quite some time.
>
> I have some of my applications like SMSC and others which need 
> temporary data-storage written in C.
>
> Till date, i have been using relational databases like ‘MySQL/Oracle’ 
> for temporary storage purpose. Because of performance constraints i 
> need to shift this temporary storage to some in-memory database.
>
> From initial overview, ‘MNESIA’ seems to be perfect replacement for my 
> scenario.
>
> Have installed the same and tried to access the same from ‘Erlang’ , 
> thankfully , have got the success in doing the same.
>
> Now, my problem is , i don’t want to change the core of my application 
> which is already encoded in ‘C’ , so need to access ‘Mnesia DB’ from ‘C’.
>
> As per my findings, there are no ODBC drivers available for Mnesia.
>
> So, think need to have some kind of external interface to ‘Erlang’ 
> like ‘Erl_Interface’ which i can use from ‘C’ program to interact with 
> ‘Mnesia DB’.
>
> I just want to know if someone has worked on such kind of architecture ?
>
> If yes, can u please share your valuable experiences ?
>
> If no, how feasible and reliable does it seem to you ?
>
> Waiting for your valuable inputs.
>
> Thanks and Regards,
>
> Amritpal Singh
>
>
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Amritpal,
Have you had a chance to look at couchdb -
http://incubator.apache.org/couchdb
It should work with any language, primarily because it has a ReST interface.
Maybe this could help?
Kiran