geo_collect_garray geo_makeline_garray geo_npoints geom_array_union geom_boundary geom_buffer geom_centroid geom_convex_hull geom_difference2d geom_intersection2d geom_shortestline2d geom_shortestline3d geom_unary_union line_interpolate_point line_locate_point line_substring

geom_array_union() GSERIALIZED * geom_array_union ( GSERIALIZED **  gsarr, int  count  ) Return the union of an array of geometries. The function will iteratively call GEOSUnion on the GEOS-converted versions of them and return PGIS-converted version back. Changing the combination order might speed up performance. Parameters [in] gsarr Array of geometries [in] count Number of elements in the array Note PostGIS function: pgis_union_geometry_array(PG_FUNCTION_ARGS)