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Is it possible in MySQL to update a row, without changing any data?
I just need a trigger to do its work, but the data should not be changed.
Of course I could do an update and then another update, but the trigger is quite slow (deletes and inserts 500 rows everytime) and I have to update thousands of rows, so I’d rather not do it twice.
I could also just update a dummy field with NOW(), but I’m just curious if it’s possible without ‘tricks’.
How about: