DDL is compatible with mysql:5.7 and mariadb:10

[xzchaoo]

Describe this problem

What this problem is and what happened.

To Reproduce

cd deploy/examples/docker-compose
edit .env set mysql_image=mysql:5.7
./up.sh

$docker logs de975df9d7f5
exec /sql/0migration/V1__230301_INIT_DDL.sql
exec /sql/0migration/V2__230301_Uniform_COLUMN.sql
ERROR 1267 (HY000) at line 34: Illegal mix of collations (utf8mb3_general_ci,IMPLICIT) and (utf8mb3_unicode_ci,IMPLICIT) for operation '='
exec /sql/1data/V999999__data.sql

Expected behavior

Deploy successfully

Additional Information