Hi,
On 2014/07/16 06:00, Mark Coletti wrote:
I have an attribute type of "QDate" and I wish to filter out features
that are older than a given date. However I cannot seem to come up
with the right magical incantation in the qgis filter to do so.
I do the following:
1. right-click on the vector layer and select "Filter ..."; the Query
Builder dialog appears
2. In the expression field I write:
"SampleTime" <= "2011/07/01"
Try double quotes for "Fields" and single quotes for 'values'
Regards,
Zoltan
For which I get the following error:
An error occurred when executing the query.
The data provider said:
OGR[3] error 1: Type mismatch or improper type of arguments to <=
operator.
So how do I get this to work?
Thanks!
Mark
--
[email protected] <mailto:[email protected]>
_______________________________________________
Qgis-user mailing list
[email protected]
http://lists.osgeo.org/mailman/listinfo/qgis-user
--
===========================================
Zoltan Szecsei PrGISc [PGP0031]
Geograph (Pty) Ltd.
GIS and Photogrammetric Services
P.O. Box 7, Muizenberg 7950, South Africa.
Mobile: +27-83-6004028
Fax: +27-86-6115323 www.geograph.co.za
===========================================
_______________________________________________
Qgis-user mailing list
[email protected]
http://lists.osgeo.org/mailman/listinfo/qgis-user
