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 setteroverride
migrate → Future<void> Function(Database database)
Function that performs the migration.
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
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