At 09:17 PM 1/12/2009, you wrote:
> >> Why would delay_key_writes require a table rebuild? It's not
> >> modifying the data. Reloading tens of millions of rows for several
> >> hours seems to be a waste of time.
>It probably flips a bit in the .frm file or something like that, but I
>have not investigated it myself.
>My guess is that you can "hack" this to do what you want. We wrote
>about this in our book -- you can alter ENUM lists without a table
>rebuild, for example. I'm betting you can do the same thing here.
>Rather than describe the whole thing let me show you the blog post
>Aurimas wrote about it:
Yes, that worked. Thanks. :)
It saves me about 4 hours per table and I had 6 tables to do. So I was done
in 5 minutes instead of 24 hours.