Quote:
Originally Posted by kaufman
One question/suggestion. What is the default value for the field going to be? I would vote for "Date (Calibre)" as that sort of makes sense (When was I last interested in this book?), but NULL might make sense as well.
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The default is "0", a timestamp before all others. This is better than NULL because sorting non-NULL values is well understood. It is also a default that makes initialization easy and fast.