Computes a Geometry representing the point-set which is contained in both Geometry columns. The union of two geometries of different dimension produces a result geometry of dimension equal to the maximum dimension of the input geometries. The result geometry may be a heterogenous GeometryCollection. If the result is empty, it is an atomic geometry with the dimension of the highest input dimension. Details are available here

Input Ports

Table containing two geometry columns in GeoJSON format with other attributes. The geometry column name should be prefixed with "the_geom".

Output Ports

Table containing a single geometry column after computing row-wise union of geometries. The geometry column name is prefixed with "the_geom".


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