字符集排序的问题
SET collation_connection = 'utf8mb4_general_ci';
ALTER DATABASE your_database_name CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;
ALTER TABLE your_table_name CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;
SET collation_connection = 'utf8mb4_general_ci';
ALTER DATABASE your_database_name CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;
ALTER TABLE your_table_name CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;
0则评论给“[mysql]1267 - Illegal mix of collations”