batchStart method
Start a batch to commit all of the operations in a batch as a single atomic unit
Implementation
Future<bool> batchStart() async {
bool isStarted = true;
if (openedBatch[_dbModel!.databaseName!] == null) {
final Database db = (await this.db)!;
openedBatch[_dbModel!.databaseName!] = db.batch();
isStarted = false;
}
return isStarted;
}