can be either:

* a callable object which takes a string argument (the MySQL

* a sequence of 2-tuples, where the first value is a combination

of flags from ``MySQLdb.constants.FLAG``, and the second value

Causes the cursor to return rows as a tuple of the column values.

CursorDictRowsMixIn

Causes the cursor to return rows as a dictionary, where the keys

are column names and the values are column values. Note that if

the column names are not unique, i.e., you are selecting from two