sum class
Represents a sum aggregation over a field.
Extends AggregateField for sum calculations.
Parameters:
- field: The field to compute the sum for.
Returns: An instance of sum.
Example:
var total = sum('amount');
- Inheritance
-
- Object
- AggregateField
- sum
Constructors
- sum(dynamic field)
Properties
- aggregateType ↔ String
-
getter/setter pairinherited
- field → String
-
finalinherited
- hashCode → int
-
The hash code for this object.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited