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Old 03-19-2025, 03:35 AM   #286
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Old 03-19-2025, 05:02 PM   #287
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This is quite weird, and I'd appreciate if other folks could experiment. (Of course, I somehow doubt the issue will happen on a platform that doesn't require a copy / restore of the Kobo database).

I find that the reading position of the current book gets "lost" after I perform a connection / disconnect cycle of the folder. It appears to get restored to a previous save point.
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Old 03-19-2025, 10:17 PM   #288
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@PeterT: Is the reading position stored in the db? If so do you know where? You can check the value using the sqlite command line tool or sqlitebrowser after a connect/disconnect cycle. See if this helps as well:
https://github.com/kovidgoyal/calibr...7635c94d3092a1

Last edited by kovidgoyal; 03-19-2025 at 11:00 PM.
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Old 03-20-2025, 12:38 AM   #289
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Originally Posted by PeterT View Post
This is quite weird, and I'd appreciate if other folks could experiment. (Of course, I somehow doubt the issue will happen on a platform that doesn't require a copy / restore of the Kobo database).

I find that the reading position of the current book gets "lost" after I perform a connection / disconnect cycle of the folder. It appears to get restored to a previous save point.
Does the reading position get changed by the KoboUtilities plugin in between, and you don't see it "sticking"? That would be the kind of situation that my test build in the plugin thread is supposed to address.
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Old 03-20-2025, 12:51 AM   #290
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I'm officially going crazy. I decided to move from reading a LIBRARY book fufilled by the Kobo store to trying a side-loaded ePub. Simpler right?

Well I open the book, head to a random page (Chapter 10, and a few page turns). Return to the Kobo home screen and as expected, the book is now the first book on the home display. Reopening the book returns to the correct page.

Now I connect the USB cable, eject the device from Chrome, (note calibre was NOT connected). The Kobo does NOT go through its importing content stage and as expected, my book is still the first book on the home screen, and opening it heads to the correct page.

Now reconnect the USB cable and connect to folder as a Libra Colour. No books added / deleted. Ehect from calibre; disconnect from chromebook. This time the Kobo goes through it's importing content screen and my book is no longer the first book on the home screen. Now it just struck that metadata management is set to automatic; so let me disable that and try one more time.

Additionally I've tried making copies of the KoboReader sqlite database at various points and done a sqldiff on the various copies; no differences found

-----

OK. Opened "Promises Greater than Darkness" as an ePub. Moved to Chapter 3 - Page 6 of 7" and set a bookmark.

Stayed in book and connected to ChromeBook, copied the database as "01-Promises.sqlite".

Connected calibre and then copied the /tmp database to "02-temp.sqlite".

01 and 02 are identical.

Eject device from calibre and took another copy of the database from the Kobo "03-after-eject.sqlite".

All db's are still identical.

Ejected device from chromebook and removed USB cable.

Get an IMPORTING CONTENT message; Promises is no longer listed on the home screen. In the My eBooks screen, the book shows as UNREAD and opens to the start. BUT the bookmark is still present.

------

Unfortunately my detailed knowledge of the database schema is minor; this is where the knowledge of @davidfor would be invaluable.

I do know that the Kobo Utilities can retrieve reading location; this is done from the CONTENT table. (This testing on Promises was done WITHOUT Utilities installed).
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Old 03-20-2025, 01:16 AM   #291
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Good to know that the Utilities plugin is not involved, that removes one variable.

According to the man page sqldiff has some limitations, it might be a good idea to do a complete dump of each database copy and do a normal text diff between them.
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Old 03-20-2025, 04:14 AM   #292
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Doesnt look like its database related in that case. If the .sqlite files are indentical and there is no .sqlite-wal file then I dont see how there could be a db related issue.
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Old 03-20-2025, 02:49 PM   #293
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I've found a workaround that seems to work perfectly for me
- rclone the kobo to the chromebook storage
- calibre open folder on the cloned copy
work as usual
- calibre eject the device
- rclone back to the kobo

With this solution all works as expected.
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Old 03-21-2025, 04:53 AM   #294
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after update to calibre 8.
The program no longer starts and now what can I do?
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Old 03-21-2025, 05:36 AM   #295
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after update to calibre 8.
The program no longer starts and now what can I do?
Update to 8.0.1
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Old 05-02-2025, 02:45 AM   #296
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For anyone who might be interested, the 8.3.100 preview version is available.
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Old 05-23-2025, 10:36 AM   #297
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Old 06-27-2025, 06:22 AM   #298
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Old 06-27-2025, 10:00 AM   #299
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@JSWolf - this lets you use check_yes_no() in KoboTouch template.
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Old 07-05-2025, 03:16 PM   #300
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@JSWolf - this lets you use check_yes_no() in KoboTouch template.
What I using now is
Code:
program: $#kepub == 'yes'
which is what I used before KePub was folded into calibre.
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