Man pages matching name sql::reservedwords::postgresql in section 3pm:

SQL::ReservedWords::PostgreSQL.3pm.en	debian 10 / libsql-reservedwords-perl
SQL::ReservedWords::PostgreSQL.3pm.en	debian 11 / libsql-reservedwords-perl
SQL::ReservedWords::PostgreSQL.3pm.en	debian 12 / libsql-reservedwords-perl