MyqueWooMiddo opened a new issue, #1766:
URL: https://github.com/apache/sedona/issues/1766

   Sedona 1.7.0 
   Spark 3.2 
   Pure Sql
   
   I join two table 
   tbl_a ( id ,  point , groupid )
   tbl_b ( id ,  point , groupid )
   
   It works :
   select * from tbl_a
   join tbl_b on st_knn(point,point,1) 
   
   It doesn't work:
   select * from tbl_a
   join tbl_b on st_knn(point,point,1) and groupid=groupid
   
   
   Is the knn join predicate exclusive with others?


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