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Old 03-08-2011, 12:02 PM   #18
chaley
Grand Sorcerer
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Posts: 12,476
Karma: 8025702
Join Date: Jan 2010
Location: Notts, England
Device: Kobo Libra 2
Major problem. The virtual column will not survive cache.refresh() because there is no data source.

This can be fixed at the cost of having refresh() call a function that checks for the presence of an ID in a set. Are we willing to pay that price?
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