Man pages matching name class::dbi::pg in section 3pm:

Class::DBI::Pg.3pm.en	debian 10 / libclass-dbi-pg-perl
Class::DBI::Pg.3pm.en	debian 11 / libclass-dbi-pg-perl
Class::DBI::Pg.3pm.en	debian 12 / libclass-dbi-pg-perl