gistfile1.txt

 connection = mdb.connect(db_host, db_user, db_password, db_name, port=db_port)
 cursor = connection.cursor(mdb.cursors.SSDictCursor)
    
 
 cursor.execute("select user_agent from {0} where {1} LIKE "
               "'%{2}%'".format(table_name, filter_field, filter_value))
 row = cursor.fetchone()
  # Fetch each row at a time instead of fetching everything at once
  # It improves the memory usage on the client side
  while row is not None:
    results.append(row)
    row = cursor.fetchone()