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Hi,<br>
On 2014/07/16 06:00, Mark Coletti wrote:<br>
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cite="mid:CAHpqhBPYsMBth7s5Pu8MtcyhwgxN8y9hCLYRSdL5z6ZtmgsdRg@mail.gmail.com"
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<div dir="ltr">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.
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<br>
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<div>I do the following:</div>
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<div>1. right-click on the vector layer and select "Filter ...";
the Query Builder dialog appears</div>
<div>2. In the expression field I write:</div>
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<div>"SampleTime" <= "2011/07/01"</div>
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Try double quotes for "Fields" and single quotes for 'values'<br>
<br>
Regards,<br>
Zoltan<br>
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cite="mid:CAHpqhBPYsMBth7s5Pu8MtcyhwgxN8y9hCLYRSdL5z6ZtmgsdRg@mail.gmail.com"
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<div>For which I get the following error:</div>
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<p style="margin:0px">An error occurred when executing the
query.</p>
<p style="margin:0px">The data provider said:</p>
<p style="margin:0px">OGR[3] error 1: Type mismatch or
improper type of arguments to <= operator.</p>
<div><br>
</div>
<div>So how do I get this to work?</div>
<div><br>
</div>
<div>Thanks!</div>
<div><br>
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<div>Mark</div>
-- <br>
<a moz-do-not-send="true" href="mailto:mcoletti@gmail.com"
target="_blank">mcoletti@gmail.com</a><br>
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<br>
<br>
<pre class="moz-signature" cols="72">--
===========================================
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 <a class="moz-txt-link-abbreviated" href="http://www.geograph.co.za">www.geograph.co.za</a>
===========================================</pre>
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