Tpoint_extent_transfn Tpoint_tcentroid_combinefn Tpoint_tcentroid_finalfn Tpoint_tcentroid_transfn

Tpoint_tcentroid_combinefn() PGDLLEXPORT Datum Tpoint_tcentroid_combinefn ( PG_FUNCTION_ARGS  ) Combine function for temporal centroid aggregation of temporal point values.