Fixed the foreign key issue

dbrepo-analyse-service/Pipfile.lock

dbrepo-analyse-service/lib/dbrepo-1.4.4-py3-none-any.whl

dbrepo-analyse-service/lib/dbrepo-1.4.4.tar.gz

...vice/src/main/java/at/tuwien/endpoints/TableEndpoint.java

...ervices/src/main/java/at/tuwien/mapper/MariaDbMapper.java

dbrepo-metadata-db/setup-schema.sql

...ase/table/constraints/foreignKey/ForeignKeyReference.java

...tories/src/main/java/at/tuwien/mapper/MetadataMapper.java

...main/java/at/tuwien/service/impl/DatabaseServiceImpl.java

dbrepo-search-service/Pipfile.lock

dbrepo-search-service/lib/dbrepo-1.4.4-py3-none-any.whl

dbrepo-search-service/lib/dbrepo-1.4.4.tar.gz

lib/python/dbrepo/RestClient.py

lib/python/tests/test_unit_query.py