@chaley, as you see from thread searching for books modified in forum Calibre, I would like to try searching on a custom date column created by program: select(formats_modtimes('yyyy-MM-dd'), 'EPUB'). I installed [Library Closed Plugin] Save Composite Custom Columns and customized it to run. However, it doesn't actually populate metadata.db from this column. Can you explain? Is there a way to get this column populated in the database?
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