Confirmed: adding `binary_prefix=true` to the URL gets rid of the warning.

I’ll also keep an eye out for SA1.3, and will remove that string then.

Thanks Mike!

On Tuesday, March 13, 2018 at 11:57:52 PM UTC+10, Mike Bayer wrote:
> OK I have better news.    pymysql already did the thing I wanted him to 
> do, apparently, so connect like this:
> e = 
> create_engine("mysql+pymysql://scott:tiger@mysql57/test?charset=utf8mb4&binary_prefix=true",
> echo=True)
> warning should be gone.
> However, I'm going to implement the _binary prefix for all drivers in 1.3 
> as part of 
> .

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