[Koha-bugs] [Bug 18336] Use utf8mb4 instead of utf8 for MySQL tables, columns, and connections

[bugzilla-daemon at bugs.koha-community.org]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=18336

--- Comment #68 from Tomás Cohen Arazi <tomascohen at gmail.com> ---
(In reply to Victor Grousset/tuxayo from comment #67)
> Can there be a loss of performance after "text" → "mediumtext"?
> 
> https://stackoverflow.com/questions/3516290/any-pitfalls-of-converting-mysql-
> text-field-to-mediumtext
> > with PHP 5.6 and PDO, mediumtext uses more memory than text (with same value, an empty string). In my simple test, the difference is 0.5 MiB vs. 1.5 MiB
> 
> Our ORM might have such an issue.

Can u think of a way to meassure that? I'm asking at #dbix-class at OFTC with no
answers yet.

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