open method

Implementation

Future<Database> open() async {
  return openDatabase(
    _path,
    version: 1,
    onCreate: (db, version) async {
      ///create tables
      await db.execute(NetworkHistoryTable.createTable());
    },
    onUpgrade: (db, oldVersion, newVersion) async {
      final batch = db.batch();
      await db.execute(NetworkHistoryTable.drop());
      await batch.commit();
    },
  );
}