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Old 10-17-2010, 09:56 PM   #1
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Significant database schema changes in WIFI version

Hi

Kovid has released the new version of Calible that recognizes the wifi device. I don't have a wifi version yet so I can only hope that the calibre driver works fine with it.

Has anyone who has the wifi version looks at the database schema to see whether there are differences?

There are significant database changes in the WIFI version. - Updates below
Tim

Last edited by timlegge; 10-19-2010 at 07:49 PM. Reason: Changing the Title to keep the database discussion in this thread
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Old 10-18-2010, 02:04 AM   #2
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Quote:
Originally Posted by timlegge View Post
Has anyone who has the wifi version looks at the database schema to see whether there are differences?
Tim
I did not and have no new reader, but could say without further
pondering that they would not change it in the middle of the game.
It would be a suicide and might make all previously bought books
unreadable.
I'm not sqlite adept, anyway.
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Old 10-18-2010, 07:48 AM   #3
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Early reports are the new kobo is supporting images so clearly the schema has changed somehow. It would not be unreasonable for certain books to have minimum kobo firmware requirements. Suicide averted.
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Old 10-18-2010, 08:08 AM   #4
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Hi Tim,
There have been some changes - send me a private message and I'll find a way to get the details to you.
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Old 10-19-2010, 08:10 PM   #5
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Wow! I am looking at the database changes for the WIFI kobo and WOW. It is a wonder Calibre still works with it. I am about to do a full review and determine what changes if any should be made but here are some changes:

The sqlite database does not include the books and is approximately 5 megs.

The kobo 100 free books and the new kobo books synced from your account are now encrypted epubs.

The database now simply handles the pointers to the epubs, images, etc.

This is a huge change because it means that I can fairly easily implement the ability to export the epubs to your Calibre library (encrypted of course). The 100 delivered books (any any of the books synced from the kobo store) can now be backed up.

I will update as I see more. This change now makes sense when I look what I posted here: https://www.mobileread.com/forums/sho...4&postcount=37 about the iPhone app.

Stay tuned...

Tim
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Old 10-19-2010, 08:46 PM   #6
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Tim, can you tell if they use ADE DRM on the books loaded through sync? That could be a very big deal if Kobo ended up delivering ADE books for download on other mobile devices.
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Old 10-19-2010, 08:56 PM   #7
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No idea. They are fairly normal looking encrypted ePubs.
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