[Gvsig_english] gvsig, databases and multiuser-access::current status and plans

Wolfgang Qual wolfgang.qual at gmx.net
Tue Jan 22 14:08:09 CET 2008


Hello Miguel,
thank you very much for this message. I will forward this information to my 
colleagues.

Best,
Wolfgang

---
Am Montag 21 Januar 2008 17:33:52 schrieb Miguel Montesinos:
> Hi Wolfgang,
>
> Unfortunately, there is no locking mechanism implemented for database
> concurrent updates. A lot has been told about long-term transactions in the
> FOSS4G community (what ArcSDE provides among other things), but AFAIK there
> is no solution yet.
>
> A good solution is being followed by GeoServer, through versioned-WFS, but
> it's not available in full GIS stacks yet. Other simple solutions would be
> to use a parallel locking mechanism made ad-hoc without RDBMS locking
> capabilites, with some server-based solution. But nowadays it's not being
> addressed.
>
> Maybe it should be time to find resources and funds to such requirements.
>
> Regards
>
> ---------------------------------
> Miguel Montesinos
> Director Técnico
> PRODEVELOP
> C/ Conde Salvatierra, 34 - 10
> 46004 Valencia. Spain
> e-mail: mmontesinos at prodevelop.es
> http://www.prodevelop.es
> Tlf: +34 963510612
>
> >-----Original Message-----
> >From: gvsig_internacional-bounces at runas.cap.gva.es
> >[mailto:gvsig_internacional-bounces at runas.cap.gva.es] On
> >Behalf Of Wolfgang Qual
> >Sent: Monday, January 21, 2008 2:23 PM
> >To: Users list
> >Subject: [Gvsig_english] gvsig,databases and
> >multiuser-access::current status and plans
> >
> >Hi list,
> >some colleagues asked me, whether gvsig would allow
> >multiuser-usage of a single database. They told me that there
> >was a function in a former used program (SICAD), where it was
> >possible to "lock" layers (or a limited spatial extent of that
> >layer) for other users during editing.
> >Additionally, ESRI's ArcSDE seems to provide a similar
> >functionality. I would be happy, if gvSIG's developers could
> >provide some comments about this issue.
> >
> >Best regards,
> >Wolfgang
> >_______________________________________________
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> >Gvsig_internacional at runas.cap.gva.es
> >http://runas.cap.gva.es/mailman/listinfo/gvsig_internacional
>
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