Number_bucket Period_bucket Period_bucket_list Span_bucket Span_bucket_list Span_bucket_list_ext Tbox_tile Tbox_tile_list Temporal_time_split Temporal_value_time_split_ext Timestamptz_bucket Tnumber_value_split Tnumber_value_time_split value_time_split_state_make value_time_split_state_next

Timestamptz_bucket() PGDLLEXPORT Datum Timestamptz_bucket ( PG_FUNCTION_ARGS  ) Return the initial timestamp of the bucket in which a timestamp falls.