Man pages matching name app::info::rdbms::postgresql in section 3pm:

App::Info::RDBMS::PostgreSQL.3pm.en	debian 10 / libapp-info-perl
App::Info::RDBMS::PostgreSQL.3pm.en	debian 11 / libapp-info-perl
App::Info::RDBMS::PostgreSQL.3pm.en	debian 12 / libapp-info-perl