SET [名前|文字セット]

ステートメントSET NAMES 、 SET CHARACTER SET 、およびSET CHARSET 、現在の接続の変数character_set_client 、 character_set_results 、およびcharacter_set_connectionを変更します。

あらすじ

SetNamesStmt:

変数割り当てリスト:

変数の割り当て:

文字セット名:

文字列名:

文字セットKw:

文字セット名またはデフォルト:

例

mysql> SHOW VARIABLES LIKE 'character_set%';
+--------------------------+--------------------------------------------------------+
| Variable_name            | Value                                                  |
+--------------------------+--------------------------------------------------------+
| character_sets_dir       | /usr/local/mysql-5.6.25-osx10.8-x86_64/share/charsets/ |
| character_set_connection | utf8mb4                                                |
| character_set_system     | utf8                                                   |
| character_set_results    | utf8mb4                                                |
| character_set_client     | utf8mb4                                                |
| character_set_database   | utf8mb4                                                |
| character_set_filesystem | binary                                                 |
| character_set_server     | utf8mb4                                                |
+--------------------------+--------------------------------------------------------+
8 rows in set (0.01 sec)

mysql> SET NAMES utf8;
Query OK, 0 rows affected (0.00 sec)

mysql> SHOW VARIABLES LIKE 'character_set%';
+--------------------------+--------------------------------------------------------+
| Variable_name            | Value                                                  |
+--------------------------+--------------------------------------------------------+
| character_sets_dir       | /usr/local/mysql-5.6.25-osx10.8-x86_64/share/charsets/ |
| character_set_connection | utf8                                                   |
| character_set_system     | utf8                                                   |
| character_set_results    | utf8                                                   |
| character_set_client     | utf8                                                   |
| character_set_server     | utf8mb4                                                |
| character_set_database   | utf8mb4                                                |
| character_set_filesystem | binary                                                 |
+--------------------------+--------------------------------------------------------+
8 rows in set (0.00 sec)

mysql> SET CHARACTER SET utf8mb4;
Query OK, 0 rows affected (0.00 sec)

mysql> SHOW VARIABLES LIKE 'character_set%';
+--------------------------+--------------------------------------------------------+
| Variable_name            | Value                                                  |
+--------------------------+--------------------------------------------------------+
| character_set_connection | utf8mb4                                                |
| character_set_system     | utf8                                                   |
| character_set_results    | utf8mb4                                                |
| character_set_client     | utf8mb4                                                |
| character_sets_dir       | /usr/local/mysql-5.6.25-osx10.8-x86_64/share/charsets/ |
| character_set_database   | utf8mb4                                                |
| character_set_filesystem | binary                                                 |
| character_set_server     | utf8mb4                                                |
+--------------------------+--------------------------------------------------------+
8 rows in set (0.00 sec)

MySQLの互換性

TiDB のSET [NAMES|CHARACTER SET]ステートメントは MySQL と完全な互換性があります。互換性の違いが見つかった場合は、 バグを報告 .

こちらも参照

• [グローバル|セッション] 変数を表示
• SET <variable>
• 文字セットと照合順序のサポート