But the `org.gdal.ogr.Layer` provides the spatial method `SetSpatialFilter`,
if the bbox filter is translated, then we can benefit the underlay
datastore if it support filter natively like the database.
On Tue, Oct 13, 2020 at 4:45 PM Andrea Aime <andrea.a...@geo-solutions.it>
wrote:
> Of course, the OGR datastore passes bbox filters directly in the data
> access API,
> not as part of the SQL, so there is no need to translate them. If the OGR
> SQL has a
> way to express spatial filters, feel free to extend
> the OGRFilterTranslator as you see fit.
>
> Cheers
> Andrea
>
> On Tue, Oct 13, 2020 at 10:06 AM maven apache <apachemav...@gmail.com>
> wrote:
>
>> public class FilterTest {
>> static {
>> ogr.RegisterAll();
>> }
>>
>> public static void main(String[] args) throws CQLException, IOException {
>> Map<String, Object> params = new HashMap<>();
>> params.put("DriverName", "xxx");
>> params.put("DatasourceName", xxx);
>>
>> DataStore dataStore = DataStoreFinder.getDataStore(params);
>> SimpleFeatureSource sfs = dataStore.getFeatureSource("water");
>> Filter filter = CQL.toFilter("BBOX(" +
>> sfs.getSchema().getGeometryDescriptor().getLocalName() + ", 20,30,21,31) and
>> num <= 10");
>> OGRFilterTranslator ogrFilterTranslator = new
>> OGRFilterTranslator(sfs.getSchema(), filter);
>> System.out.println(ogrFilterTranslator.getSpatialFilter());
>> System.out.println(ogrFilterTranslator.getPostFilter());
>> System.out.println(ogrFilterTranslator.getAttributeFilter());
>> }
>> }
>>
>> Output:
>>
>> null
>> [ the_geom bbox ReferencedEnvelope[20:21,30:31] ]
>> num <= 10
>>
>> Seems like that the bbox filter is not recognized by OGRFilterTranslator
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>>
>
>
> --
>
> Regards, Andrea Aime
>
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