zemirco / hibernate-issue

Just a demo repo for a problem I have.

hibernate-issue

Just a demo repo for a problem I have.

https://stackoverflow.com/questions/67937327/how-to-implement-manytomany-with-unique-constraint

Usage

Start Postgres db.

docker-compose up -d

Start the application. You should get the following error.

Caused by: org.postgresql.util.PSQLException: ERROR: duplicate key value violates unique constraint "maintainer_email_key" Detail: Key (email)=([e-mail]) already exists.

If you want to clean the database between trials.

./gradlew flywayclean