Packages

trait Nested extends AnyRef

Add nested molecule.

Related data of cardinality-many referenced entities can be queried in a "flat" way:

m(Order.no.LineItem.product.price.quantity).get === List(
  (23, "Chocolate", 48.00, 1),
  (23, "Whisky", 38.00, 2)
)

For convenience, Molecule offers to automatically nest the same data so that redundancy is avoided and we can work straight on the hierarchical data:

m(Order.no * LineItem.product.price.quantity).get === List(
  (23, List(("Chocolate", 48.00, 1), ("Whisky", 38.00, 2)))
)

Nested molecules can nest up to 7 levels deep.

Internally, Molecule adds entity ids to each level in the query to be able to group data on each level by a unique entity id.

Source
Nested.scala
See also

Manual | Tests: nested, nested json, nested json types

Linear Supertypes
AnyRef, Any
Known Subclasses
Nested00, Nested01, Nested02, Nested03, Nested04, Nested05, Nested06, Nested07, Nested08, Nested09, Nested10, Nested11, Nested12, Nested13, Nested14, Nested15, Nested16, Nested17, Nested18, Nested19, Nested20, Nested21
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