avalon-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Davide Mora <d_m...@yahoo.com>
Subject Re: Avalon DB
Date Mon, 29 Oct 2001 07:35:27 GMT

Hi,

i'm quite new to Avalon, and it's the first time i ear
talking about db.
What do you plan to implement? A "simple" JDBC wrapper
or something more complex, like a persistent layer?

Thanks,
Davide

--- Paul Hammant <paul_hammant@yahoo.com> wrote:
> As proposed some days ago, I've committed the first
> (non working) cut of Avalon DB.  Don't get yer
> hopes up there is not much yet.
> 
> It has five separate components
> 
>  1) SQLParser
>  2) SQLOptimizer
>  3) ActionCache
>  4) DatabasePersistence
>  5) DatabaseManager
> 
> 1) turns sql into actions
> 2) fiddles with sql in string form (only impl is do
> nothing)
> 3) do nothing impl for time being.
> 4) First imple to use Cornerstone's store.  Other
> impls could be "in memory" (no storage) etc.
> 5) The main DB server.  First impl uses a
> "CommandStream" to communicate with a remore JDBC
> client.  Other impls could use RMI, SOAP,
> bytestreams or be internally provided (like Phoenix
> services).
> 
> There is lots to do and I'll just beaver away, other
> might like to dive in and help / take over
> bits.  I'm not proud and there are probably quite a
> few refactor points already.
> Peter's message of a couple of days ago planted the
> component separation for  what's been done so
> far.
> 
> Regards,
> 
> - Paul H
> 
>
____________________________________________________________
> Nokia Game is on again. 
> Go to http://uk.yahoo.com/nokiagame/ and join the
> new
> all media adventure before November 3rd.
> 
> --
> To unsubscribe, e-mail:  
> <mailto:avalon-dev-unsubscribe@jakarta.apache.org>
> For additional commands, e-mail:
> <mailto:avalon-dev-help@jakarta.apache.org>
> 


__________________________________________________
Do You Yahoo!?
Make a great connection at Yahoo! Personals.
http://personals.yahoo.com

--
To unsubscribe, e-mail:   <mailto:avalon-dev-unsubscribe@jakarta.apache.org>
For additional commands, e-mail: <mailto:avalon-dev-help@jakarta.apache.org>


Mime
View raw message