[Qgis-developer] QgsField::length semantic

[Sandro Santilli]

On Tue, Oct 11, 2016 at 11:53:27AM +0200, Even Rouault wrote:
> Le mardi 11 octobre 2016 11:42:12, Jürgen E. Fischer a écrit :
> > On Tue, 11. Oct 2016 at 10:45:18 +0200, Sandro Santilli wrote:
> > > Chasing a regression bug upon importing shapefile to postgresql [1]
> > > I've stumbled upon an unclear semantic of the "length" member of
> > > QgsField class [2].
> > 
> > Hm, I though that was following database semantics - at least that's what I
> > recall - maybe it was changed.
> > 
> > Not sure OGR has a general semantic of it's own, maybe it follows the data
> > source and those are inconsistent.
> 
> More or less. My analysis of the OGR situation at:
> http://hub.qgis.org/issues/15188#note-8

Then I think the OGR provider should just avoid setting OFTReal fields
length/precision values, upon reading (but also upon writing, as long
as the QgsField length/precision for Double-typed fields would not be
defined).

Does it make sense ?

--strk;