Migration class

Base class for a database migration.

Each migration can move between 2 versions that are defined by startVersion and endVersion.

Constructors

Migration(int startVersion, int endVersion, Future<void> migrate(Database database))

Creates a new migration between startVersion and endVersion. migrate will be called by the database and performs the actual migration.

Properties

endVersion → int

The start version of the database.

final

hashCode → int

The hash code for this object.

no setter, override

migrate → Future<void> Function(Database database)

Function that performs the migration.

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

startVersion → int

The start version of the database.

final

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

override

Operators

operator ==(Object other) → bool

The equality operator.

override