tree c379cc6639eaa0e1ad94802efc3a8183ef81b91a
parent d50bbb75b8018be054b840cbae6b8e0c48b514ea
author Matthias Andreas Benkard <code@mail.matthias.benkard.de> 1580102947 +0100
committer Matthias Andreas Benkard <code@mail.matthias.benkard.de> 1580102971 +0100

JPA: Make all many-to-many collections sets.

This improves performance when inserting new elements.

Change-Id: I7c85d893984deb9ac4ba93ea34075c589a27e82e