Using INNER JOINs with the STRAIGHT_JOIN option so that the main table
displayed first in the EXPLAIN eliminated the temporary table being created
and the query speed went from 2.3 seconds to 0.2 seconds. Note that this
only works for queries where the offset in the LIMIT is small. As the offset
approaches the total row count, the speed gradually decreases, so much so
that the query eventually goes from 2.3 seconds to 4.6 seconds. However
since the first few pages (newest data)are accessed most of the time, this
is not a problem.
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