-- Version of the application oarc_version varbinary(32) NOT NULL,
It's 32 chars, but we don't validate the length.
'version' => '/^\d{1,3}(\.\d{1,2}){0,2}(-(dev|alpha|beta))?$/',
Technically blocks T108255: Enable MariaDB/MySQL's Strict Mode. See also T277387: Use composer/semver to validate oauth registration versions.