Defines a many-to-many relationship between two models. This method will define a getter method that returns a ManyToMany::Collection. The collection can be used to add and remove records from the join table.

• param : name (Symbol) - The name of the association
• param : type (Cql::Model) - The target model
• param : join_through (Cql::Model) - The join table model
• param : cascade (Bool) - Delete associated records

Example

class Movie
  include Cql::Model(Movie, Int64)
  property id : Int64
  property title : String
  many_to_many :actors, Actor, join_through: :movies_actors
end

class Actor
  include Cql::Model(Actor, Int64)
  property id : Int64
  property name : String
end

class MoviesActors
  include Cql::Model(MoviesActors, Int64)
  property id : Int64
  property movie_id : Int64
  property actor_id : Int64
end