trait unify extends AnyRef
Unify attribute value in self-join.
Apply unify
marker to attribute to unify its value with previous values of the same attribute in the molecule in a self-join.
m(Person.age.name.Beverages * Beverage.name.rating) insert List( (23, "Joe", List(("Coffee", 3), ("Cola", 2), ("Pepsi", 3))), (25, "Ben", List(("Coffee", 2), ("Tea", 3))), (23, "Liz", List(("Coffee", 1), ("Tea", 3), ("Pepsi", 1)))) // What beverages do pairs of 23- AND 25-year-olds like in common? // Drink name is unified - Joe and Ben both drink coffee, etc.. Person.age_(23).name.Beverages.name._Ns.Self .age_(25).name.Beverages.name_(unify).get.sorted === List( ("Joe", "Coffee", "Ben"), ("Liz", "Coffee", "Ben"), ("Liz", "Tea", "Ben") )
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- AttrExpressions.scala
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