[gdal-dev] Postgresql driver ability to add constraints

Matthieu Rigal rigal at rapideye.de
Wed Nov 3 09:53:09 EDT 2010


Hi Frank,

This is actually what I am doing, so no problems here ;-)

It was rather a suggestion in case it was not discussed, because it may have 
been useful differently, but it is fine for me so.

Best Regards,
Matthieu

On Wednesday 03 November 2010 14:30:07 Frank Warmerdam wrote:
> On Wed, Nov 3, 2010 at 9:23 AM, Matthieu Rigal <rigal at rapideye.de> wrote:
> > Hi guys,
> > 
> > I was checking and I did not found a proper way for now to add a unique
> > or not null constraints to columns of a layer created/edited by OGR.
> > 
> > If I am wrong, please correct me.
> > Else, as I saw that a big refactoring of the PgSQL/PostGIS is
> > planned/done for the 1.8 version, this may be added, as it is quite
> > widely used properties...
> 
> Matthieu,
> 
> Why not add such constraints via ExecuteSQL() after creating the layer?
> I'm not keen on making constraints a first-class OGR data model concept
> for a variety of reasons.
> 
> Best regards,


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