EXECUTE
EXECUTE 语句提供了一个面向服务器端预处理语句的 SQL 接口。
概述
- ExecuteStmt
ExecuteStmt ::=
'EXECUTE' Identifier ( 'USING' UserVariable ( ',' UserVariable )* )?
示例
mysql> PREPARE mystmt FROM 'SELECT ? as num FROM DUAL';
Query OK, 0 rows affected (0.00 sec)
mysql> SET @number = 5;
Query OK, 0 rows affected (0.00 sec)
mysql> EXECUTE mystmt USING @number;
+------+
| num |
+------+
| 5 |
+------+
1 row in set (0.00 sec)
mysql> DEALLOCATE PREPARE mystmt;
Query OK, 0 rows affected (0.00 sec)
与 MySQL 的兼容性
TiDB 中的 EXECUTE 语句与 MySQL 完全兼容。如果你发现任何兼容性差异，请报告一个 bug。