platform/packages/orm/angel_migration_runner/example/main.dart

import 'package:angel3_migration/angel3_migration.dart';
import 'package:angel3_migration_runner/angel3_migration_runner.dart';
import 'package:angel3_migration_runner/postgres.dart';
import 'package:angel3_orm/angel3_orm.dart';
import 'package:postgres/postgres.dart';
import 'todo.dart';

var migrationRunner = PostgresMigrationRunner(
  PostgreSQLConnection('127.0.0.1', 5432, 'test',
      username: 'postgres', password: 'postgres'),
  migrations: [
    UserMigration(),
    TodoMigration(),
    FooMigration(),
  ],
);

void main(List<String> args) => runMigrations(migrationRunner, args);

class FooMigration extends Migration {
  @override
  void up(Schema schema) {
    schema.create('foos', (table) {
      table
        ..serial('id').primaryKey()
        ..varChar('bar', length: 64)
        ..timeStamp('created_at').defaultsTo(currentTimestamp);
    });
  }

  @override
  void down(Schema schema) => schema.drop('foos');
}