Undocumented ALTER TABLE that does *nothing* (useful)

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(at least since MySQL 5.1.42)

alter table t1 force;

Pretty neat huh? In fact, in Drizzle this will end up doing a copying alter table. Not useful.

There’s an over four year old bug report in MySQL (Bug#24091).

I’m just going to remove that bit from the parser in Drizzle – it makes no sense.