Re: [gnome-db] Data Sources in libgda 4.0.

2009/6/17 Bas Driessen <[email protected]>

>  On Wed, 2009-06-17 at 09:21 +0200, Vivien Malerba wrote:
>
> 2009/6/17 Bas Driessen <[email protected]>
>
>  Hello,
>
> I am porting my applications from libgda 3 to 4. In order to even start, I
> need to have access to some data sources. libgnomedb is the tool to create
> those. However, in Fedora 11 this is broken (3.99.7). As soon as you press
> the new data source, the application crashes. Therefore, I decided to
> compile libgnomedb myself. However that failed. Output below in this message
> if interested.
>
>
> Yes, I know about the problem, and it has been fixed in git, but not yet
> released (see bug #575469).
>
> I have spent the last few weeks working on integrating Libgnomedb's
> features which are generic enough into a libgdaui library for which the
> sources are part of Libgda (of course their compilation is optional), so
> Libgnomedb won't have any new release. The reason for doing this are:
> * it's hard to maintain 2 libraries which are so closely tied
> * I wanted to have a control center for Libgda, but this was part only of
> Libgnomedb
> * Same for a simple database structure browser: the one in Libgnomedb is
> useless and Mergeant is yet into another set of sources, so I've created a
> new one which will be part of Libgda's sources
> * Some of Libgnomedb's widgets are not generic enough to be in a generic
> library
>
> I plan to publish that work soon, and will make a 4.1.1 release with all
> this.
>
>  Understood. Sounds good. Does that mean that with libgda 4.1.1 the
> existing libgda API will break again or is that too early to tell?
>

No, V4.1.1 is API & ABI compatible with V4.0.x and will remain (only new
symbols are inserted).

>
>
>  Can someone please tell me where I put my data sources and how they
> should look like? In libgda 3, there was a dir .libgda that contained a file
> called config with a layout like this:
>
> <section path="/apps/libgda/Datasources/stocksql">
>     <entry name="DSN" type="string"
> value="DB_NAME=stock;HOST=localhost;PORT=5432"/>
>     <entry name="Description" type="string" value="Stock database in
> PostgreSQL"/>
>     <entry name="Password" type="string" value=""/>
>     <entry name="Provider" type="string" value="PostgreSQL"/>
>     <entry name="Username" type="string" value="test"/>
>   </section>
>
> When I put this in place, libgda 4 is not picking this up. Can someone give
> me a sample of a libgda 4 data source, the name of that file and the
> location?
>
>
> The way DSN are stored in V4 has not changed since V3, so if you copied the
> ~/.libgda/config file from V3, it should work with V4 as well. You can check
> that with:
> > gda-sql -l
>
> BTW, make sure you enclosed that DSN definition in the proper tags:
> <?xml version="1.0"?>
> <libgda-config>
> ...your DSN here...
> </libgda-config>
>
>
> Ok, if I put the config file in /etc/libgda-4.0 then the data sources are
> visible from libgda. However, if I put the config file in $HOME/.libgda/
> then they are not visible. I am using the default install which comes with
> Fedora 11, so not sure if there are changes/settings there to disable the
> home directory setting. Anyway, for now this works for me, as I can now
> actually connect to a database and continue the porting.
>

Which version of Libgda are you using?


>
>
> Thanks for your help Vivian and I will probably be back shortly with some
> other queries :)
>

No problem!

Vivien

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