Change<T> class sealed

A patch value that distinguishes omission, assignment and SQL DEFAULT.

Use .keep() to omit, .set(value) to write, or .defaultValue() to request the database default. Setting null is legal only for a nullable field.

Constructors

Change.defaultValue()

Requests the database default for this field.

const

factory

Change.keep()

Leaves the field out of the update.

const

factory

Change.set(T value)

Writes the supplied value, including an explicitly allowed null.

const

factory

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

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