Comment # 5 on bug 1217688 from Jiri Slaby

(In reply to Jiri Slaby from comment #3)
> (In reply to Danilo Spinella from comment #2)
> > By my understanding, this is an issue that only happens with mariadb on TW.
> 
> Yeah, I haven't tried anything else than TW so far.
> 
> > Any version of the official mariadb images works fine. Can you please
> > confirm?
> 
> Concur. I wonder, if we build mariadb with some different flags. But I
> failed to find what is used for building the docker images (it's apparently
> mariadb on Ubuntu 22.04).

Scratch this. I temporarily dropped the column size from varchar(1024) to
varchar(256) in the docker images (when testing mysql-community where 1024 is
not allowed for unique columns).

When varchar(1024) is used, it's broken also in the docker. Let me update the
upstream issue.