Am Sonntag, den 28.12.2008, 18:00 -0500 schrieb Jeremy Adams:
> I ran the same command on my box about 4 hours ago and it's still
> cranking away.  Should it really take that long to change a column
> type?  It's got one of the CPU cores pegged, so I assume it's still
> doing something.

An ALTER TABLE on MySQL always copies the whole table. 

Sincerely,
Joachim




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