Module field_reference 

Nested message and enum types in FieldReference.

Structs

LambdaParameterReference

A reference to a lambda parameter within a lambda body expression. This identifies which lambda scope to reference, treating its parameters as a struct. Use FieldReference with this as root_type to access specific parameters or nested fields within parameters.

OuterReference

A root reference for the outer relation’s subquery

RootReference

Singleton that expresses this FieldReference is rooted off the root incoming record type

Enums

ReferenceType

Whether this is composed of a single element reference or a masked element subtree

RootType

The origin of the data being referenced. When this is a RootReference and direct_reference above is used, the direct_reference must be of a type StructField.