SELECTmy_function(10); 1. 解决“mysql 创建函数出现invalid stored procedure” 的问题 通过按照上述步骤检查并纠正可能存在的问题,可以解决 “mysql 创建函数出现invalid stored procedure” 的问题。 如果您仍然遇到问题,可以查阅 MySQL 官方文档,或在相关的开发者社区中咨询其他开发者的意见。
But if I use the CAST() function in a stored procedure or function, I get an error. When I ignore the error by declaring a CONTINUE handler, I get no error or warning, but the result is NULL. Is there a good workaround for this?
mysql > DELIMITER // mysql > CREATE PROCEDURE proc1 --name存储过程名 -> (IN parameter1 INTEGER) -> BEGIN -> DECLARE variable1 CHAR(10); -> IF parameter1 = 17 THEN -> SET variable1 = 'birds'; -> ELSE -> SET variable1 = 'beasts'; -> END IF; -> INSERT INTO table1 VALUES ...
注意:在某些 MySQL 配置中,你可能需要在my.cnf或my.ini配置文件中设置event_scheduler=ON来确保事件调度器在 MySQL 服务器启动时自动开启。 2. 创建存储过程 假设你已经有一个存储过程,我们在这里创建一个简单的示例存储过程: DELIMITER // CREATE PROCEDURE MyStoredProcedure() BEGIN -- 这里是你的 SQL 逻辑 I...
The following MySQL statements demonstrate how to create a very basic stored procedure namedprocedureTest. This procedure performs a simple lookup on theproductstable that we used in the stored function example above. Although this procedure does not have much practical use, it demonstrates the correc...
MySQL存储过程(Stored Procedure)主要的知识点: 分隔符(delimiter) 变量(variable) 参数(parameters) 分隔符(DELIMITER) MySQL通过delimiter来区分不同的SQL语句(SQL Statement),默认的分隔符是;; 对于procedure,会有多条SQL Statement,且MySQL的每个statement都需要以分隔符结束; ...
27.2.4 Stored Procedures, Functions, Triggers, and LAST_INSERT_ID()MySQL supports stored routines (procedures and functions). A stored routine is a set of SQL statements that can be stored in the server. Once this has been done, clients don't need to keep reissuing the individual statement...
A.4.25. Are there special security requirements for using stored procedures and functions together with replication? A.4.26. What limitations exist for replicating stored procedure and function actions? A.4.27. Do the preceding limitations affect the ability of MySQL to do point-in-time recovery...
Description:Being able to view/search through all the Stored Procedures and Functions would be very useful. I do this anytime I want to change a table, column or index or when changing an existing Stored Procedure or Function to find what "impact" the change may have on existing Stored Pro...
function pdo_execute_query($dbInfo, $sql) { $return_val = false; $dbConnString = "mysql:host=" . $dbInfo['database_target'] . "; dbname=" . $dbInfo['database_name']; $conn = new PDO($dbConnString, $dbInfo['username'], $dbInfo['password']); ...