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这篇文章主要介绍 MySQL 创建函数时报错 ERROR 1336 (0A000): Dynamic SQL 怎么办，文中介绍的非常详细，具有一定的参考价值，感兴趣的小伙伴们一定要看完！
创建函数时报错
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mysql CREATE FUNCTION is_SQLScriptReferenceExist (THE_REFERENCE VARCHAR(75), THE_VERSION_LEVEL_TABLE_NAME VARCHAR(75)) RETURNS INTEGER DETERMINISTIC
– BEGIN
– DECLARE THE_REFERENCE_LABEL VARCHAR(80);
– DECLARE CONTINUE HANDLER FOR NOT FOUND
– BEGIN
– RETURN 0;
– END;
– SELECT concat(select c_reference_label INTO THE_REFERENCE_LABEL from , THE_VERSION_LEVEL_TABLE_NAME, where C_REFERENCE_LABEL = , THE_REFERENCE,) INTO @stmt;
– PREPARE STMT FROM @stmt;
– EXECUTE STMT;
– /* select c_reference_label into THE_REFERENCE_LABEL from THE_VERSION_LEVEL_TABLE_NAME where C_REFERENCE_LABEL = THE_REFERENCE; */
– RETURN 1;
– END$$
ERROR 1336 (0A000): Dynamic SQL is not allowed in stored function or trigger
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报错原因：
MySQL 函数和触发器中不允许使用动态函数
可以改写成存储过程
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mysql CREATE PROCEDURE is_SQLScriptReferenceExist (IN THE_REFERENCE VARCHAR(75), IN THE_VERSION_LEVEL_TABLE_NAME VARCHAR(75), OUT V_RET INT(2))
– BEGIN
– DECLARE THE_REFERENCE_LABEL VARCHAR(80);
– DECLARE CONTINUE HANDLER FOR NOT FOUND
– BEGIN
– SET V_RET = 0;
– END;
– SELECT concat(select c_reference_label INTO THE_REFERENCE_LABEL from , THE_VERSION_LEVEL_TABLE_NAME, where C_REFERENCE_LABEL = , THE_REFERENCE,) INTO @stmt;
– PREPARE STMT FROM @stmt;
– EXECUTE STMT;
– /* select c_reference_label into THE_REFERENCE_LABEL from THE_VERSION_LEVEL_TABLE_NAME where C_REFERENCE_LABEL = THE_REFERENCE; */
– SET V_RET = 1;
– END$$
Query OK, 0 rows affected (0.00 sec)
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