[Pharo-project] About SqueakDBX

Mariano Martinez Peck marianopeck at gmail.com
Wed May 4 08:47:57 EDT 2011


On Wed, May 4, 2011 at 2:30 PM, Nicolas Petton <petton.nicolas at gmail.com>wrote:

> Hi Mariano,
>

Hi Nicolas. Please, let me answer in the mailing list so that other can
benefit also.


>
> I was wondering what can SqueakDBX do.


http://www.squeakdbx.org/ here you have all you will probably  need.

In summary, it is a database driver. Like ODBC or like any other wrapper.
The good thing is that it provides the same API to all databases and since
there is no SQL conversion, you can exploit the benefits of each database.
SqueakDBX delegates to the C library OpenDBX, which delegates to the C
database client library. So...the "worst" thing of SqueakDBX is that you
need the OpenDBX library and the database client libraries. This is
explained here: http://www.squeakdbx.org/Architecture%20and%20desing

Features: http://www.squeakdbx.org/Targets%20and%20Features

Documentation: http://www.squeakdbx.org/documentation


> How stable/scalable is it? Is
>

SqueakDBX itself is really stable. It is being used in several production
apps without problems. The only tricky (depending on the OS and database) is
to install OpenDBX + client libraries. But once it is working, is really
stable.


> there an ORM on top of it?
>
>
Yes, it is called GlorpDBX, which is a modified version of the Glorp port to
squeak (which was all hardcoded to the postgresql native driver).
That version is a little old and we only make it work for PostgreSQL,
Oracle, MySQL and MSSQL.

However, ESUG has sponsored again. The project is being renamed to DBXTalk
and the team (the students) are working in two important things:

1) new port (with the latest code) from Glorp of VW to pharo. And try to
automatize the process for the future.
2) new mapping tool on top of squeakDBX but much simpler than Glorp.
Something like ActiveRecord or SandstoneDB. The main idea for now is to use
Magritte for describing the mappings.

These two things are just starting.....so you will have to wait ;)

-- 
Mariano
http://marianopeck.wordpress.com
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