drift/extras/migrations_example/lib/database.dart

28 lines
594 B
Dart

import 'package:moor/moor.dart';
part 'database.g.dart';
class Users extends Table {
IntColumn get id => integer().autoIncrement()();
TextColumn get name => text()(); // added in schema version 2
}
@UseMoor(tables: [Users])
class Database extends _$Database {
@override
final int schemaVersion;
Database(this.schemaVersion, DatabaseConnection connection)
: super.connect(connection);
@override
MigrationStrategy get migration {
return MigrationStrategy(
onUpgrade: (m, before, now) async {
await m.addColumn(users, users.name);
},
);
}
}