Custom Column Disappeared

joshua13 · 04-24-2024, 06:34 PM

For years my wife and I have been using calibre to organize our ebooks and really love the app. We had created a custom column called "Read" to keep track of each book that we had read and wanted to read. Now suddenly that column is gone and with it all of the information we had input.

Is there any way of restoring it?

ownedbycats · 04-24-2024, 06:37 PM

If you right-click the header columns, is it under the 'Show Column' submenu?

joshua13 · 05-09-2024, 02:12 PM

No, the column was gone. I tried creating it again, but the info we had input - who had read each book - is gone.

DNSB · 05-09-2024, 02:14 PM

Where is your library stored? On a single computer? On a NAS or other cloud storage?

theducks · 05-09-2024, 03:06 PM

Something is missing in what you tell so far;
What event(s) happened before this??

Did someone move to another computer or try to rebuild / restore because some error message showed up?

Did 2 computers access this file (ANY kind of Network shares are a recipe for corruption. The content server is the only safe way for more than the 1 user access).

Calibre has extra files stored to help rebuild (NOT RE-add) that construct all the custom columns before proceeding. A simple ADD has no knowledge of those extras.

ownedbycats · 05-09-2024, 05:02 PM

Quote:

Originally Posted by theducks

Calibre has extra files stored to help rebuild (NOT RE-add) that construct all the custom columns before proceeding. A simple ADD has no knowledge of those extras.

Sadly, I'd suspect that re-creating the column would've overwritten it in the OPF.

theducks · 05-09-2024, 05:25 PM

Quote:

Originally Posted by ownedbycats

Sadly, I'd suspect that re-creating the column would've overwritten it in the OPF.

Yep. The background process (backup the metadata) would fire off soon after the restart.

04-24-2024, 06:34 PM	#1
joshua13 Junior Member Posts: 2 Karma: 10 Join Date: Apr 2024 Device: Kobo	Custom Column Disappeared For years my wife and I have been using calibre to organize our ebooks and really love the app. We had created a custom column called "Read" to keep track of each book that we had read and wanted to read. Now suddenly that column is gone and with it all of the information we had input. Is there any way of restoring it?

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
Number column disappeared in Calibre	R.Laci	Library Management	4	07-17-2023 09:53 PM
Using RE to extract pattern from custom column into another custom column	activedirectory	Library Management	1	12-15-2019 09:07 PM
Adding custom column with any lookup-name gives me empty column as a result?	Ahu Lee	Library Management	16	06-09-2019 01:14 PM
Move selected data from series column to a new custom column	fvdham	Library Management	3	06-02-2017 04:49 PM
Custom column returns value based on value of another custom column?	calvin-c	Calibre	3	09-14-2013 03:24 PM

04-24-2024, 06:37 PM	#2
ownedbycats Custom User Title Posts: 9,758 Karma: 68326525 Join Date: Oct 2018 Location: Canada Device: Kobo Libra H2O, formerly Aura HD	If you right-click the header columns, is it under the 'Show Column' submenu?

05-09-2024, 02:12 PM	#3
joshua13 Junior Member Posts: 2 Karma: 10 Join Date: Apr 2024 Device: Kobo	No, the column was gone. I tried creating it again, but the info we had input - who had read each book - is gone.

05-09-2024, 02:14 PM	#4
DNSB Bibliophagist Posts: 41,252 Karma: 158182188 Join Date: Jul 2010 Location: Vancouver Device: Kobo Sage, Libra Colour, Lenovo M8 FHD, Paperwhite 4, Tolino epos	Where is your library stored? On a single computer? On a NAS or other cloud storage?

05-09-2024, 03:06 PM	#5
theducks Well trained by Cats Posts: 30,503 Karma: 58055868 Join Date: Aug 2009 Location: The Central Coast of California Device: Kobo Libra2,Kobo Aura2v1, K4NT(Fixed: New Bat.), Galaxy Tab A	Something is missing in what you tell so far; What event(s) happened before this?? Did someone move to another computer or try to rebuild / restore because some error message showed up? Did 2 computers access this file (ANY kind of Network shares are a recipe for corruption. The content server is the only safe way for more than the 1 user access). Calibre has extra files stored to help rebuild (NOT RE-add) that construct all the custom columns before proceeding. A simple ADD has no knowledge of those extras.

Advert

Advert