db-schema/db_scripts/diff/15576.up

USE prosody;
set autocommit = 0;

ALTER TABLE `prosody` CHANGE `host` `host` BLOB;
ALTER TABLE `prosody` CHANGE `host` `host` text CHARACTER SET 'utf8mb4' COLLATE 'utf8mb4_bin';

ALTER TABLE `prosody` CHANGE `user` `user` BLOB;
ALTER TABLE `prosody` CHANGE `user` `user` text CHARACTER SET 'utf8mb4' COLLATE 'utf8mb4_bin';

ALTER TABLE `prosody` CHANGE `store` `store` BLOB;
ALTER TABLE `prosody` CHANGE `store` `store` text CHARACTER SET 'utf8mb4' COLLATE 'utf8mb4_bin';

ALTER TABLE `prosody` CHANGE `type` `type` BLOB;
ALTER TABLE `prosody` CHANGE `type` `type` text CHARACTER SET 'utf8mb4' COLLATE 'utf8mb4_bin';

ALTER TABLE `prosody` CHANGE `key` `key` BLOB;
ALTER TABLE `prosody` CHANGE `key` `key` text CHARACTER SET 'utf8mb4' COLLATE 'utf8mb4_bin';

ALTER TABLE `prosody` CHANGE `value` `value` BLOB;
ALTER TABLE `prosody` CHANGE `value` `value` mediumtext CHARACTER SET 'utf8mb4' COLLATE 'utf8mb4_bin';

commit;