Kontinuation opened a new pull request, #39:
URL: https://github.com/apache/sedona-db/pull/39

   This patch pushes all spatial predicates when reading GeoParquet files, 
including distance predicate and all spatial relation operators such as 
`ST_Contains`, `ST_Within`, etc. To implement this, we have added the following 
methods to `BoundingBox`:
   
   * `contains`: Check for bounding box containment
   * `expand_by`: Expand the bounding box by the specified distance
   
   The interval types also have corresponding functions implemented to work 
with 1-D plain and wrapping-around intervals.
   
   Currently GeoParquet predicate pushdown only work with planar geometries 
correctly. This limitation already exists prior to developing this patch. I 
suggest that we submit another PR to disable spatial predicate pushdown for 
GeoParquet files containing spherical geography objects.


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