bigintset_end_value bigintset_start_value bigintset_value_n bigintset_values bigintspan_lower bigintspan_upper bigintspanset_lower bigintspanset_upper floatset_end_value floatset_start_value floatset_value_n floatset_values floatspan_lower floatspan_upper floatspanset_lower floatspanset_upper intset_end_value intset_start_value intset_value_n intset_values intspan_lower intspan_upper intspanset_lower intspanset_upper period_duration period_lower period_upper periodset_duration periodset_end_timestamp periodset_lower periodset_num_timestamps periodset_start_timestamp periodset_timestamp_n periodset_timestamps periodset_upper set_end_value set_hash set_hash_extended set_mem_size set_num_values set_start_value set_value_n set_values span_hash span_hash_extended span_lower_inc span_upper_inc span_width spanset_end_span spanset_hash spanset_hash_extended spanset_lower_inc spanset_mem_size spanset_num_spans spanset_span_n spanset_spans spanset_start_span spanset_upper_inc spanset_width tstzset_end_timestamp tstzset_start_timestamp tstzset_timestamp_n tstzset_timestamps

period_duration() Interval * period_duration ( const Span *  s ) Return the duration of a period as an interval. SQL Function: duration() PyMEOS Function: duration()