On Mar 13, 2009, at 12:43 AM, Andreas Neumann wrote:
Hi Horst,
Thanks for providing this useful plugin.
Following the discussion I suggest that you try using the
MemoryProvider
instead of Shapefiles. In many cases, one doesn't want to store the
results of the query - so the memory provider would be a good place
for
the temporary storage of the result.
If the user wants to store the results he can still write it to a
shapefile or to Postgis.
Here is some sample code for the MemoryProvider:
http://wiki.qgis.org/qgiswiki/PythonBindings
(search for memory provider)
I haven't used it myself, but it looks like a perfect thing to use for
your plugin.
+1
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