Crash when MySQL is not accessed for some time.

[dotancohen]

I left squeal open all morning. When I came back I tried to view a table and it crashed:

   Showing table phone_list
   ------------------------

   Describe table
   --------------
Traceback (most recent call last):
  File "./squeal.py", line 336, in <module>
    main()
  File "./squeal.py", line 120, in main
    show_table_details(conn, cursor, prompt, menu_tables[operation-1])
  File "./squeal.py", line 251, in show_table_details
    output_table_from_sql(conn, cursor, sql)
  File "./squeal.py", line 294, in output_table_from_sql
    cursor.execute(sql, data)
  File "/usr/lib/python2.7/dist-packages/MySQLdb/cursors.py", line 174, in execute
    self.errorhandler(self, exc, value)
  File "/usr/lib/python2.7/dist-packages/MySQLdb/connections.py", line 36, in defaulterrorhandler
    raise errorclass, errorvalue
_mysql_exceptions.OperationalError: (2006, 'MySQL server has gone away')

[dotancohen]

Another one, from the current version of the script:

   Describe table
   --------------
Traceback (most recent call last):
  File "./squeal.py", line 378, in <module>
    main()
  File "./squeal.py", line 139, in main
    show_table_details(conn, cursor, prompt, menu_tables[operation-1], records_to_show)
  File "./squeal.py", line 288, in show_table_details
    output_table_from_sql(conn, cursor, sql)
  File "./squeal.py", line 332, in output_table_from_sql
    cursor.execute(sql, data)
  File "/usr/lib/python2.7/dist-packages/MySQLdb/cursors.py", line 174, in execute
    self.errorhandler(self, exc, value)
  File "/usr/lib/python2.7/dist-packages/MySQLdb/connections.py", line 36, in defaulterrorhandler
    raise errorclass, errorvalue
_mysql_exceptions.OperationalError: (2006, 'MySQL server has gone away')

[dotancohen]

May be related to #23.