Upgrade from 0.4.83 to 0.4.143: where are my books?

VKV · 03-07-2009, 05:33 PM

Hello,

I was using calibre 0.4.83 on Windows XP and hadn't launch it for a long time. Tonight i started it, and was informed of a more recent version 0.4.143 available. I downloaded the new version and run the installer. When asked where the database should be stored, I pointed the installer to the directory containing the existing library1.db file.

When calibre started, my library did not contain any book (while I had about 30 of them before, I think).

Did I miss a step during the upgrade? How can I have access to my "old database" again?

Thanks for your help,

VKV

kovidgoyal · 03-07-2009, 05:38 PM

In a command prompt, type the following

Code:

calibre-debug --migrate "c:\path\to\your\old\library1.db" "c:\path\to\your\new\library\folder"

VKV · 03-08-2009, 02:26 PM

Thanks a lot for the precise reply, Kovid, and your ongoing support to the calibre users in general.
Now, I just have to find a backup of the original library1.db file, because as I had chosen the same directory as for the previous version, I think it has been overwritten by the installation.
Adding some kind of warning to the installation might be a good idea...

kovidgoyal · 03-08-2009, 02:32 PM

It shouldn't have deleted your library1.db. Until recently calibre would upgrade databases automatically but as that occassionally caused problems I've disabled it in favor of a manual upgrade.

03-07-2009, 05:33 PM	#1
VKV Junior Member Posts: 2 Karma: 10 Join Date: Mar 2009 Device: none	Upgrade from 0.4.83 to 0.4.143: where are my books? Hello, I was using calibre 0.4.83 on Windows XP and hadn't launch it for a long time. Tonight i started it, and was informed of a more recent version 0.4.143 available. I downloaded the new version and run the installer. When asked where the database should be stored, I pointed the installer to the directory containing the existing library1.db file. When calibre started, my library did not contain any book (while I had about 30 of them before, I think). Did I miss a step during the upgrade? How can I have access to my "old database" again? Thanks for your help, VKV

03-07-2009, 05:38 PM	#2
kovidgoyal creator of calibre Posts: 45,676 Karma: 28549304 Join Date: Oct 2006 Location: Mumbai, India Device: Various	In a command prompt, type the following Code: calibre-debug --migrate "c:\path\to\your\old\library1.db" "c:\path\to\your\new\library\folder"

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03-08-2009, 02:26 PM	#3
VKV Junior Member Posts: 2 Karma: 10 Join Date: Mar 2009 Device: none	Thanks a lot for the precise reply, Kovid, and your ongoing support to the calibre users in general. Now, I just have to find a backup of the original library1.db file, because as I had chosen the same directory as for the previous version, I think it has been overwritten by the installation. Adding some kind of warning to the installation might be a good idea...

03-08-2009, 02:32 PM	#4
kovidgoyal creator of calibre Posts: 45,676 Karma: 28549304 Join Date: Oct 2006 Location: Mumbai, India Device: Various	It shouldn't have deleted your library1.db. Until recently calibre would upgrade databases automatically but as that occassionally caused problems I've disabled it in favor of a manual upgrade.

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