Last Updated: 2021-05-15
When I was writing code to merge two different
products, I seemed to have issues
getting the query cache to notice the
notes_files in their new locations:
# Things tried # 1. Product.uncached do ... end # 2. continued_product.subject.notes_files << retired_product.notes_files # 3. notes_files.each do |nf| nf.subject = continued_product.subject nf.save end
I even tried updating rails, etc.
Turns out, I was silently having a validation error!
I would have noticed had I paid more attention to the logs where it said
"Rollback". (To get alerted via explosions instead of logs, I should have used
save! or called
Watch for rollback in your SQL log