Retrieve data from an sqlite3 db (returns all rows, be careful!)

    CLI Example:

    .. code-block:: bash

        salt '*' sqlite3.fetch /root/test.db 'SELECT * FROM test;'

def fetch(db=None, sql=None):
    '''
    Retrieve data from an sqlite3 db (returns all rows, be careful!)

    CLI Example:

    .. code-block:: bash

        salt '*' sqlite3.fetch /root/test.db 'SELECT * FROM test;'
    '''
    cur = _connect(db)

    if not cur:
        return False

    cur.execute(sql)
    rows = cur.fetchall()
    return rows