\set ECHO none
set_prob

(1 row)
exact_mean|exact_variance|exact_third_moment
t|t|t
(1 row)
set_prob

(1 row)
mixed_mean|mixed_variance
t|t
(1 row)
set_prob

(1 row)
set_prob

(1 row)
nested_mean|nested_variance
t|t
(1 row)