\set ECHO none
remove_provenance

(1 row)
city|regexp_replace|boolexpr_named
Berlin|x ∧ x|Ellen ∧ Susan
New York|x ∧ x|John ∧ Paul
Paris|(x ∧ x) ∨ (x ∧ x) ∨ (x ∧ x)|(Dave ∧ Nancy) ∨ (Dave ∧ Magdalen) ∨ (Magdalen ∧ Nancy)
(3 rows)
null_no_mapping|null_with_mapping
t|t
(1 row)