On Monday, December 21, 2015 at 5:32:43 PM UTC+1, Tim Graham wrote:
>
> "This patch breaks on MySQL installations using the utf8mb4 charset, 
> because it breaks the index length limit - it comes out at a maximum of 254 
> * 4 = 1016 bytes whilst by default InnoDB can only index 767 bytes. I found 
> this because I am using utf8mb4 in django-mysql's tests.
>

Can the original Author of that quote shed more light on "breaking"? To my 
knowledge it just limits the size of the index to the first 767 byte and 
MySQL will give you a warning, so we should be fine, no? 

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