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https://github.com/simonw/datasette/issues/294#issuecomment-393547960 https://api.github.com/repos/simonw/datasette/issues/294 393547960 MDEyOklzc3VlQ29tbWVudDM5MzU0Nzk2MA== 9599 2018-05-31T14:25:43Z 2018-05-31T14:25:43Z OWNER SpatialLite columns are actually quite a bit more interesting than this - they also have a `geometry_type` (point, polygon, linestring etc), a `coord_dimension` (usually 2 but can be higher) and an `srid`. For example: https://datasette-publish-spatialite-demo.now.sh/spatialite-test-c88bc35/geometry_columns ![2018-05-31 at 7 22 am](https://user-images.githubusercontent.com/9599/40787843-6f9600ee-64a3-11e8-84e5-64d7cc69603a.png) The SRID here is particularly interesting, because it helps hint at the fact that the results from these queries won't be latitude/longitude co-ordinates - which means that `AsGeoJSON()` won't return results that can be easily rendered by Leaflet: https://datasette-publish-spatialite-demo.now.sh/spatialite-test-c88bc35?sql=select+AsGeoJSON(Geometry)+from+HighWays%20limit1 Compare with https://timezones-api.now.sh/timezones-a99b2e3/geometry_columns: ![2018-05-31 at 7 25 am](https://user-images.githubusercontent.com/9599/40787991-d2650756-64a3-11e8-936e-2dcce7dd1515.png) {"total_count": 0, "+1": 0, "-1": 0, "laugh": 0, "hooray": 0, "confused": 0, "heart": 0, "rocket": 0, "eyes": 0} 327365110  
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