geom_as_npoint geom_as_npoint_internal geom_as_nsegment geom_as_nsegment_internal get_srid_ways int64arr_to_array MAXNPOINTLEN npoint_as_geom npoint_as_geom_internal npoint_cmp npoint_cmp_internal npoint_constructor npoint_eq npoint_eq_internal npoint_ge npoint_gt npoint_in npoint_le npoint_lt npoint_lt_internal npoint_make npoint_ne npoint_ne_internal npoint_out npoint_position npoint_recv npoint_route npoint_send npoint_set_precision npoint_set_precision_internal npoint_srid npoint_srid_internal npointarr_to_geom_internal nsegment_as_geom nsegment_as_geom_internal nsegment_cmp nsegment_cmp_internal nsegment_constructor nsegment_end_position nsegment_eq nsegment_eq_internal nsegment_from_npoint nsegment_ge nsegment_gt nsegment_in nsegment_le nsegment_lt nsegment_make nsegment_ne nsegment_ne_internal nsegment_out nsegment_recv nsegment_route nsegment_send nsegment_set_precision nsegment_sort_cmp nsegment_srid nsegment_srid_internal nsegment_start_position nsegmentarr_normalize nsegmentarr_sort nsegmentarr_to_array nsegmentarr_to_geom_internal route_exists route_geom route_length

npoint_srid() PGDLLEXPORT Datum npoint_srid ( PG_FUNCTION_ARGS  ) Returns the SRID of the network point.