How To Return A Map Result From A Spring Data Query Method
Description: Sometimes, we need to write in repositories certain query-methods that return a Map instead of a List or a Set. For example, when we need a Map<Id, Entity> or we use GROUP BY and we need a Map<Group, Count>. This application shows you how to do it via default methods directly in repository.
Key points:
- rely on
defaultmethods andCollectors.toMap()
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