[Qgis-user] ordering an attribute table

[Michael Spencer]

(Apologies for delay in reply, I've been on holiday).

Thanks Goyo, your field selection worked well. What syntax does the query
selector use? Are there any grib sheets about?


On 28 September 2013 00:06, Goyo <goyodiaz at gmail.com> wrote:

> 2013/9/27 Michael Spencer <spencer.mike.r at gmail.com>:
> > Date: Thu, 26 Sep 2013 18:18:10 +0200
> > From: Bernhard Str?bl <bernhard.stroebl at jena.de>
> >
> > [...] Thanks Bernhard, this was my original choice. Unfortunately I find
> the
> > select tool a total black box and can't get my head around it. Your
> > suggestion works for entries with 'null' in, but I can't get a response
> when
> > I want to select 'nan' values. I've tried as:
> >
> > <"field" is nan>
> > <"field" is 'nan'>
> > <"field" = 'nan'>
> >
> > Both with no joy. Is there a crib sheet somewhere with basic options on?
>
> What about not ("field" > -99999999)? It seems to work with "SLsum" in
> your sample.
>
> Goyo
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.osgeo.org/pipermail/qgis-user/attachments/20131007/dd0b2f95/attachment.html>