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# random

[gaetan]

https://kotlinlang.slack.com/archives/random/p1462879940000657
It’s fine if you’re not using spring-data. It took me some time to discover that spring-data adds some opinionated rules on ids to guess that an entity is new : http://docs.spring.io/spring-data/jpa/docs/1.10.1.RELEASE/reference/html/#_entity_state_detection_strategies