From: Hank
Date: March 31 2006 1:59pm
Subject: Re: TIMESTAMP field not automatically updating last_updated field
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Are the other fields in the update statement actually changing the
data? I don't know for sure, but if the data on disk is the same as
the update statement, mysql won't actually update the record, and
therefore might not update the last_updated field also.  Just a
thought.