Bug #67616 Bug in Alter Table
Submitted: 16 Nov 2012 16:46 Modified: 19 Dec 2012 18:59
Reporter: Pablo Alfaro Email Updates:
Status: No Feedback Impact on me:
None 
Category:MySQL Workbench Severity:S2 (Serious)
Version:5.2.44 OS:Windows (Microsoft Windows 7 Ultimate Edition Service Pack 1 (build 7601), 64-bit)
Assigned to: CPU Architecture:Any
Tags: WBBugReporter

[16 Nov 2012 16:46] Pablo Alfaro
Description:
When modifying multiple column names in a single table I get an exception

----- Developer Notes -----

MySQL Workbench CE for Windows version 5.2.44  revision 9933
Configuration Directory: C:\Users\PAlfaro\AppData\Roaming\MySQL\Workbench
Data Directory: C:\Program Files (x86)\MySQL\MySQL Workbench 5.2 CE
Cairo Version: 1.8.8
OS: Microsoft Windows 7 Ultimate Edition Service Pack 1 (build 7601), 64-bit
CPU: 4x Intel(R) Core(TM) i5-3450 CPU @ 3.10GHz, 7.9 GiB RAM
Active video adapter (0): Intel(R) HD Graphics
Installed video RAM: -1984 MB
Current video mode: 1920 x 1080 x 4294967296 colores
Used bit depth: 32
Driver version: 9.17.10.2849
Installed display drivers: igdumd64.dll,igd10umd64.dll,igd10umd64.dll,igdumd32,igd10umd32,igd10umd32
Current user language: Español (Uruguay)

Exception = System.NullReferenceException
Message = Object reference not set to an instance of an object.
FullText = System.NullReferenceException: Object reference not set to an instance of an object.
   at MySQL.Utilities.AdvNodeTextBox.textBox_TextChanged(Object sender, EventArgs e)
   at System.Windows.Forms.Control.OnTextChanged(EventArgs e)
   at System.Windows.Forms.TextBoxBase.OnTextChanged(EventArgs e)
   at System.Windows.Forms.TextBoxBase.WmReflectCommand(Message& m)
   at System.Windows.Forms.TextBoxBase.WndProc(Message& m)
   at System.Windows.Forms.TextBox.WndProc(Message& m)
   at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
   at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
   at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

How to repeat:
Alter any table, select a column, f2 to edit, change name, enter go to another column repeat several times.
Let me know if there´s anything I can do to help.
[19 Nov 2012 18:59] MySQL Verification Team
Thank you for the bug report. I can't repeat, please provide the dump of the table. Thanks.
[20 Dec 2012 1:00] Bugs System
No feedback was provided for this bug for over a month, so it is
being suspended automatically. If you are able to provide the
information that was originally requested, please do so and change
the status of the bug back to "Open".