Flexible navigation mapping #20339
Description
Navigations don't always have to use the same mapping as the entity type they are pointing to. Also, they don't need to be mutable.
- Separate update and query mappings, including readonly navigations
- Map to functions (Query: Additional function mapping capabilities #4319)
- Map to a custom LINQ/SQL query (Ability to define custom joins (for readonly navigations) #33171)
- Allow to specify a filter on a navigation