[Qgis-developer] OGR VRT and SrcSQL

[Arnaud Morvan]

After instrospection,

when adding to QGIS an 'OGR VRT' layer with SrcSql tag,
iterarator with spatial filter return no features.

This seems to be due to OGR.

Does anybody know a workaround about this ?

Arnaud

> I am working with OGR VRT files in QGIS.
>
> When I use the "SrcLayer" tag, all works correctly.
> But when I use "SrcSQL" tag, QGIS seems to load the file correctly, but
> nothing appears in the canvas.
>
> exemple:
> <OGRVRTDataSource>
>       <OGRVRTLayer name="test_shp_sql">
>           <SrcDataSource relativeToVRT="1">test.shp</SrcDataSource>
>           <SrcSQL dialect="sqlite">SELECT * FROM test</SrcSQL>
>       </OGRVRTLayer>
> </OGRVRTDataSource>
>
> all attributes are correctly displayed in the attribute table.
> when I use Save As ... to another shapefile, the new file display correctly.
> "ogrinfo -la" gives me exactly the same results for "SrcLayer" and
> "SrcSQL" tags.
> I've also tried the getWKT plugin which give me the same result for
> features from the two layers.
>
> I do not understand what  goes wrong : OGR or QGIS ?
>
> Arnaud
>
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