lastId method
Implementation
@override
Future<int> lastId(DbContext dbc) async {
if (_selectLastIdStatement == null)
{
_selectLastIdStatement = this.Select().Fields([new FunctionExpression("last_insert_rowid")]);
}
var value = await _selectLastIdStatement!.executeScalar(dbc);
if(value == null) return 0;
return (int.parse(value.toString()));
}