Thread: Restoring custom columns from opf metadata?
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Old 08-13-2016, 09:55 PM   #2
theducks
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Quote:
Originally Posted by moredrowsy View Post
Is there a way to restore the custom column data from the metadata opf files? I know that calibre edits the opf file when changing column data.

I had a column of "Date Read" for my books that I sync with goodreads but I accidentally deleted the Date Read column when I was messing with the column preferences (yikes).

So is there a way to tell calibre to restore the data?
The problem is:
When you deleted the column, calibre set the 'Dirty Flag' on all the records and queued them in the Library Backup (status). That starts the background task of updating (~3 per sec) that OPF
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