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Old 06-25-2009, 06:20 PM   #1
earthq
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Database upgrades

Hi,

What is the process for upgrading metadata.db from one calibre version to the next?
I have found in the forums the following:

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

But also that the upgrade would occur automagically.


Which is the case?
Also for latest beta?

Thanks!
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Old 06-25-2009, 07:14 PM   #2
kovidgoyal
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it will happen automatically
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Old 06-25-2009, 11:27 PM   #3
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Is it possible to "downgrade"?
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Old 06-26-2009, 12:53 AM   #4
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No it isn't
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Old 06-26-2009, 03:13 PM   #5
earthq
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I use a portable flavor of Calibre (through batch script and environment variable).
What I do is install Calibre normally, then zip folder and uninstall. Then extract zip in my USB drive and run it through script to pick both library and config from the USB disk.

The idea was to install latest beta and copy content over the current build on my USB disk.

However, I did it but calibre did not start.
Then I copied over previous build again but db seem to have been upgraded so did not work properly neither.

Fortunately I had a metadata backup
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