https://www.coder.work/article/147670
https://stackoverflow.com/questions/41147829/how-can-i-search-by-emoji-in-mysql-using-utf8mb4
https://dev.mysql.com/doc/refman/5.7/en/charset-unicode-sets.html#charset-unicode-sets-general-versus-unicode
https://www.coder.work/article/147670
https://stackoverflow.com/questions/41147829/how-can-i-search-by-emoji-in-mysql-using-utf8mb4
https://dev.mysql.com/doc/refman/5.7/en/charset-unicode-sets.html#charset-unicode-sets-general-versus-unicode