Jia Yu created SEDONA-345:
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             Summary: ST_Union_Aggr should work for polygons who do not overlap 
each other
                 Key: SEDONA-345
                 URL: https://issues.apache.org/jira/browse/SEDONA-345
             Project: Apache Sedona
          Issue Type: New Feature
            Reporter: Jia Yu


Currently, ST_Union_Aggr will union polygons which overlap each other. If there 
is a polygon do not overlap any other polygons, the function will throw an 
exception.

 

We should improve the logic here so overlapping polygons are unioned together, 
non-overlapping polygons are kept as individual polygons in the result.



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