Interface | Description |
---|---|
CollectionType |
Represents the type of a collection, an object that can contain element
objects.
|
MapType |
Represents the type of a Map, a collection that contains keys as well
as values and maintains an association between key-value pairs.
|
ObjectType |
An ObjectType represents the type of an object in a query.
|
StructType |
Describes the field names and types for each field in a
Struct . |