EXECUTE

EXECUTE 语句为服务器端预处理语句提供 SQL 接口。

语法图

ExecuteStmt

ExecuteStmt ::=
    'EXECUTE' Identifier ( 'USING' UserVariable ( ',' UserVariable )* )?

示例

PREPARE mystmt FROM 'SELECT ? as num FROM DUAL';

Query OK, 0 rows affected (0.00 sec)

SET @number = 5;

Query OK, 0 rows affected (0.00 sec)

EXECUTE mystmt USING @number;

+------+
| num  |
+------+
| 5    |
+------+
1 row in set (0.00 sec)

DEALLOCATE PREPARE mystmt;

Query OK, 0 rows affected (0.00 sec)

MySQL 兼容性

EXECUTE 语句与 MySQL 完全兼容。如发现任何兼容性差异，请尝试 TiDB 支持资源。

另请参阅

• PREPARE
• DEALLOCATE