Nasty error in mydac

Discussion of open issues, suggestions and bugs regarding MyDAC (Data Access Components for MySQL) for Delphi, C++Builder, Lazarus (and FPC)
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kaffeburk
Posts: 214
Joined: Mon 29 Jan 2007 08:03

Nasty error in mydac

Post by kaffeburk » Thu 26 Apr 2012 18:41

I had this error a few times. Delphi (2007) locks and I cant save my project:

[0AF2B575]{dcldac105.bpl} Dbtoolsclient.TSqlSourceList.FindDesigner + $55
[20159E5F]{vcl100.bpl } Forms.TCustomForm.WndProc (Line 3512, "Forms.pas" + 136) + $5
[201640BD]{vcl100.bpl } Forms.TApplication.DispatchAction (Line 9022, "Forms.pas" + 9) + $A
[20161B6F]{vcl100.bpl } Forms.TApplication.WndProc (Line 7769, "Forms.pas" + 82) + $E
[20040DD4]{rtl100.bpl } Classes.StdWndProc (Line 11583, "common\Classes.pas" + 8) + $0
[2000A332]{rtl100.bpl } System.TInterfacedObject._AddRef (Line 17972, "sys\system.pas" + 1) + $4
[20006894]{rtl100.bpl } System.TObject.GetInterface (Line 9003, "sys\system.pas" + 8) + $A
[200068C6]{rtl100.bpl } System.TObject.GetInterface (Line 9009, "sys\system.pas" + 14) + $10
[0AF2B567]{dcldac105.bpl} Dbtoolsclient.TSqlSourceList.FindDesigner + $47
[0AF2C9DB]{dcldac105.bpl} Dbtoolsclient.TDBTools.DesignerClosing + $27
[0AF2CB4F]{dcldac105.bpl} Dbtoolsclient.TModuleNotifier.AllowSave + $2F
[20A60A73]{coreide100.bpl} DocModul.TCodeIDocModule.AllowSave (Line 2248, "DocModul.pas" + 6) + $5
[20A5DF01]{coreide100.bpl} DocModul.TDocModule.AllowSave (Line 933, "DocModul.pas" + 2) + $0
[2097E0E9]{coreide100.bpl} SourceModule.TSourceModule.Save (Line 954, "SourceModule.pas" + 1) + $3
[20A63399]{coreide100.bpl} DocModul.SaveModifiedModules (Line 3426, "DocModul.pas" + 56) + $13
[00414EF1]{bds.exe } AppMain.CanCloseProjectModule (Line 2410, "ui\AppMain.pas" + 1) + $29
[20040113]{rtl100.bpl } Classes.TBasicAction.Execute (Line 11081, "common\Classes.pas" + 3) + $7
[20151321]{vcl100.bpl } ActnList.TContainedAction.Execute (Line 388, "ActnList.pas" + 1) + $2C
[20152084]{vcl100.bpl } ActnList.TCustomAction.Execute (Line 1000, "ActnList.pas" + 7) + $8
[2003FFDF]{rtl100.bpl } Classes.TBasicActionLink.Execute (Line 11010, "common\Classes.pas" + 2) + $7
[2013059C]{vcl100.bpl } Menus.TMenuItem.Click (Line 2280, "Menus.pas" + 12) + $7
[20131EEF]{vcl100.bpl } Menus.DoClick (Line 3190, "Menus.pas" + 29) + $4
[20131FDB]{vcl100.bpl } Menus.TMenu.IsShortCut (Line 3214, "Menus.pas" + 14) + $6
[0041A261]{bds.exe } AppMain..TABMenuAction (Line 4238, "ui\AppMain.pas" + 0) + $40
[2015EC00]{vcl100.bpl } Forms.TCustomForm.IsShortCut (Line 6017, "Forms.pas" + 2) + $16
[2016241A]{vcl100.bpl } Forms.TApplication.IsShortCut (Line 8047, "Forms.pas" + 3) + $27
[20161B88]{vcl100.bpl } Forms.TApplication.WndProc (Line 7771, "Forms.pas" + 84) + $6
[20040DD4]{rtl100.bpl } Classes.StdWndProc (Line 11583, "common\Classes.pas" + 8) + $0
[20137672]{vcl100.bpl } Controls.SendAppMessage (Line 2122, "Controls.pas" + 2) + $9
[20142979]{vcl100.bpl } Controls.TWinControl.IsMenuKey (Line 8543, "Controls.pas" + 16) + $C
[201429B1]{vcl100.bpl } Controls.TWinControl.CNKeyDown (Line 8555, "Controls.pas" + 5) + $4
[2013C4F3]{vcl100.bpl } Controls.TControl.WndProc (Line 5146, "Controls.pas" + 83) + $6
[20140673]{vcl100.bpl } Controls.TWinControl.WndProc (Line 7304, "Controls.pas" + 111) + $6
[20159E5F]{vcl100.bpl } Forms.TCustomForm.WndProc (Line 3512, "Forms.pas" + 136) + $5
[21D93E3F]{delphivclide100.bpl} VCLFormContainer.TControlSizer.ControlWndProc (Line 306, "VCLFormContainer.pas" + 33) + $C
[2013FD9C]{vcl100.bpl } Controls.TWinControl.MainWndProc (Line 7073, "Controls.pas" + 3) + $6
[20040DD4]{rtl100.bpl } Classes.StdWndProc (Line 11583, "common\Classes.pas" + 8) + $0
[20162347]{vcl100.bpl } Forms.TApplication.IsKeyMsg (Line 8022, "Forms.pas" + 24) + $12
[201623B2]{vcl100.bpl } Forms.TApplication.IsHintMsg (Line 8039, "Forms.pas" + 2) + $10
[201625A5]{vcl100.bpl } Forms.TApplication.ProcessMessage (Line 8097, "Forms.pas" + 15) + $32
[2016260A]{vcl100.bpl } Forms.TApplication.HandleMessage (Line 8124, "Forms.pas" + 1) + $4
[201628FF]{vcl100.bpl } Forms.TApplication.Run (Line 8223, "Forms.pas" + 20) + $3
[00422976]{bds.exe } bds.bds (Line 195, "" + 7) + $7
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kaffeburk
Posts: 214
Joined: Mon 29 Jan 2007 08:03

Post by kaffeburk » Thu 26 Apr 2012 18:48

I think this error comes when im debugging an application and to go to "view" menu and select "devart windows", database explorer.
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kaffeburk
Posts: 214
Joined: Mon 29 Jan 2007 08:03

Post by kaffeburk » Thu 26 Apr 2012 19:11

Looks like, when I click on a TMyquery chooses dbforgefusion - querybuildr and don't have a connection defined in the tMyquery. The i chose a connection and BANG.

http://www.platsonline.se/preview/devart.png
http://www.platsonline.se/preview/Devart2.png
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kaffeburk
Posts: 214
Joined: Mon 29 Jan 2007 08:03

Post by kaffeburk » Thu 26 Apr 2012 19:29

A related issue is when there are more then one connections in the database explorer, i cant choose which one DbForge -> Querybuilder should use. Perhaps put this choice in alt/click on the connection in database explorer. Now i think DbForge just uses the connection that first is opened.
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AlexP
Devart Team
Posts: 5530
Joined: Tue 10 Aug 2010 11:35

Post by AlexP » Fri 27 Apr 2012 09:20

Hello,

Thank you for the information.
We have reproduced the problem.
We will try to fix it in the nearest product version.
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