/usr/share/ada/adainclude/apq-postgresql/ is in libapq-postgresql3.2.0-dev 3.2.0-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/ada/adainclude/apq-postgresql/apq-postgresql-client.adb
/usr/share/ada/adainclude/apq-postgresql/apq-postgresql-client.ads
/usr/share/ada/adainclude/apq-postgresql/apq-postgresql-decimal.adb
/usr/share/ada/adainclude/apq-postgresql/apq-postgresql-decimal.ads
/usr/share/ada/adainclude/apq-postgresql/apq-postgresql.ads
/usr/share/ada/adainclude/apq-postgresql/apq-postgresql.ads-e
/usr/share/ada/adainclude/apq-postgresql/decimal.h
/usr/share/ada/adainclude/apq-postgresql/notices.c
/usr/share/ada/adainclude/apq-postgresql/numeric.c
/usr/share/ada/adainclude/apq-postgresql/numeric.h
/usr/share/ada/adainclude/apq-postgresql/pgtypes.h