Mobilitydb_full_version Mobilitydb_version Npoint_position Npoint_route Nsegment_end_position Nsegment_route Nsegment_start_position Temporal_duration Temporal_end_instant Temporal_end_sequence Temporal_end_timestamp Temporal_end_value Temporal_hash Temporal_instant_n Temporal_instants Temporal_interpolation Temporal_max_instant Temporal_max_value Temporal_mem_size Temporal_min_instant Temporal_min_value Temporal_num_instants Temporal_num_sequences Temporal_num_timestamps Temporal_segments Temporal_sequence_n Temporal_sequences Temporal_start_instant Temporal_start_sequence Temporal_start_timestamp Temporal_start_value Temporal_subtype Temporal_time Temporal_timestamp_n Temporal_timestamps Temporal_value_at_timestamp Temporal_values Tfloat_spanset Tinstant_get_value Tinstant_timestamp Tnpoint_positions Tnpoint_route Tnpoint_routes Tpoint_traversed_values

Nsegment_start_position() PGDLLEXPORT Datum Nsegment_start_position ( PG_FUNCTION_ARGS  ) Return the start position of the network segment. SQL Function: startPosition()