\set ECHO none
add_provenance

(1 row)
remove_provenance

(1 row)
q|g|p
choose bool|A|0.5000
choose bool|B|0.5000
(2 rows)
remove_provenance

(1 row)
q|g|p
choose date|A|0.5000
choose date|B|0.5000
(2 rows)