/usr/share/perl5/Parse/Dia/ is in libparse-dia-sql-perl 0.27-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/perl5/Parse/Dia/SQL/
/usr/share/perl5/Parse/Dia/SQL.pm
/usr/share/perl5/Parse/Dia/SQL/Const.pm
/usr/share/perl5/Parse/Dia/SQL/Logger.pm
/usr/share/perl5/Parse/Dia/SQL/Output/
/usr/share/perl5/Parse/Dia/SQL/Output.pm
/usr/share/perl5/Parse/Dia/SQL/Output/DB2.pm
/usr/share/perl5/Parse/Dia/SQL/Output/HTML.pm
/usr/share/perl5/Parse/Dia/SQL/Output/Informix.pm
/usr/share/perl5/Parse/Dia/SQL/Output/Ingres.pm
/usr/share/perl5/Parse/Dia/SQL/Output/MySQL/
/usr/share/perl5/Parse/Dia/SQL/Output/MySQL.pm
/usr/share/perl5/Parse/Dia/SQL/Output/MySQL/InnoDB.pm
/usr/share/perl5/Parse/Dia/SQL/Output/MySQL/MyISAM.pm
/usr/share/perl5/Parse/Dia/SQL/Output/Oracle.pm
/usr/share/perl5/Parse/Dia/SQL/Output/Postgres.pm
/usr/share/perl5/Parse/Dia/SQL/Output/SQLite3.pm
/usr/share/perl5/Parse/Dia/SQL/Output/SQLite3fk.pm
/usr/share/perl5/Parse/Dia/SQL/Output/Sas.pm
/usr/share/perl5/Parse/Dia/SQL/Output/Sybase.pm
/usr/share/perl5/Parse/Dia/SQL/Utils.pm