def __init__(self, settings_dict, alias=DEFAULT_DB_ALIAS):
    self.connection = None
    self.queries = []
    self.settings_dict = settings_dict
    self.alias = alias
def __init__(self, settings_dict, alias=DEFAULT_DB_ALIAS):
    self.connection = None
    self.queries = []
    self.settings_dict = settings_dict
    self.alias = alias