\set ECHO none
create_provenance_mapping

(1 row)
remove_provenance

(1 row)
city|validity
Berlin|{["2022-01-01 00:00:00+00","2023-01-01 00:00:00+00")}
New York|{}
Paris|{["2020-01-01 00:00:00+00","2022-01-01 00:00:00+00")}
(3 rows)