[Qgis-developer] Auto increment field for shapefiles?

Andrea Peri aperi2007 at gmail.com
Sat May 17 07:07:55 PDT 2014


The dbf spec has a type serial ?

I don't remenber , but not sure of this.

If the dbf has not a serial type.

This enhance will mena to produce a new kind of shapfile
readable only from QGIS.

I guess should be avoided to produce incompatible new formats.

Andrea.


2014-05-17 11:02 GMT+02:00 Paolo Cavallini <cavallini at faunalia.it>:

> Il 17/05/2014 00:38, mmekuria ha scritto:
> > I am not sure what you mean, Paulo. But there is already the Feature Id
> > (Object Id in ArcGIS) in QgsFeature. Do you mean having that a mandatory
> > field that gets populated every time a feature is created within a
> > shapefile?
>
> Almost: I mean let the user define a field as SERIAL
> http://www.postgresql.org/docs/9.3/static/datatype-numeric.html
> also for non-database data types (especially shp).
> It does not seem too difficult, now that we have a record number function
> in the
> expressions.
> All the best.
>
> --
> Paolo Cavallini - www.faunalia.eu
> Corsi QGIS e PostGIS: http://www.faunalia.eu/training.html
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-- 
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Andrea Peri
. . . . . . . . .
qwerty àèìòù
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