Unset class

$unset aggregation stage

Stage description

Available since MongoDB version 4.2

Removes/excludes fields from documents.

Example:

Dart code:

Unset([ "isbn", "author.first", "copies.warehouse" ]).build()

Equivalent mongoDB aggregation stage:

{ $unset: [ "isbn", "author.first", "copies.warehouse" ] }

https://docs.mongodb.com/manual/reference/operator/aggregation/unset/

Inheritance

• Object
• AggregationStage
• Unset

Constructors

Unset(List<String> fields)

Creates $unset aggreagation stage

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

build() → Map<String, Object>

inherited

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