Aggregation class Null safety

Defines a aggregation that produces a single result.

Constructors

Aggregation({String? alias, Count? count})
Aggregation.fromJson(Map json_)

Properties

alias String?
Optional name of the property to store the result of the aggregation.
read / write
count Count?
Count aggregator.
read / write
hashCode int
The hash code for this object.
read-onlyinherited
runtimeType Type
A representation of the runtime type of the object.
read-onlyinherited

Methods

noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed.
inherited
toJson() Map<String, dynamic>
toString() String
A string representation of this object.
inherited

Operators

operator ==(Object other) bool
The equality operator.
inherited