c# - DDD, Best way to compose complex conditions for column selection of domain entities -


i'm using entityframework , linq sql , , generic repository , , specification pattern perform linq sql db query selections , using automapper entity dto mapper.

the problem :

i have set of complex business rules affects of select queries i'm performing in application

(these rules affect on column values in scenarios , affect on query result structure in scenarios)

and confused how switch polymorphism direction based on different specifications in different queries.


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