SET [NAMES | CHARACTER SET]
ステートメントSET NAMES 、およびSET CHARACTER SETは、現在の接続の変数character_set_client 、およびSET CHARSETをcharacter_set_connectionしcharacter_set_results 。
あらすじ
SetNamesStmt：
VariableAssignmentList：
VariableAssignment：
CharsetName：
StringName：
CharsetKw：
CharsetNameOrDefault：
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
このステートメントは、MySQLと完全に互換性があると理解されています。互換性の違いは、GitHubでは問題を介して報告である必要があります。
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