combinations, where “MySQL extension”  designates casts implemented in MySQL beyond those defined in the SQL/MM standard: 

•From Point  to: 

• MultiPoint 

• GeometryCollection 

•From LineString  to: 

• Polygon  (MySQL extension) 

• MultiPoint  (MySQL extension) 

• MultiLineString 

• GeometryCollection 

•From Polygon  to: 

• LineString  (MySQL extension) 

• MultiLineString  (MySQL extension) 

• MultiPolygon 

• GeometryCollection 

•From MultiPoint  to: 

• Point 

• LineString  (MySQL extension) 

• GeometryCollection 

•From MultiLineString  to: 

• LineString 

• Polygon  (MySQL extension) 

• MultiPolygon  (MySQL extension) 

• GeometryCollection 

•From MultiPolygon  to: 

• Polygon 

• MultiLineString  (MySQL extension) 

• GeometryCollection 

•From GeometryCollection  to: 

• Point 

