好像MySQL当前最新版本(5.1)还不支持嵌套的Stored Function,仅支持嵌套的Stored Procedure Trigger Trigger是数据库中的事件触发,当前MySQL的实现是对特定table的DML语句(INSERT/UPDATE/DELETE)调用时触发 CREATE [DEFINER={user|CURRENT_USER}] TRIGGER trigger_name {BEFORE|AFTER} {INSERT|UPDATE|DELETE} ON table_nam...
1,必须要一个RETURNS语句来定义返回值类型 2,不能指定参数的IN、OUT或INOUT修饰符,所有参数隐式的为IN 3,Function体必须包含RETURN语句来终结Function执行并返回指定的结果给调用者 Example: Java代码 CREATE FUNCTION cus_status(in_status CHAR(1)) RETURNS VARCHAR(20) BEGIN DECLARE long_status VARCHAR(20); ...
MySql Error: Can't update table in stored function/trigger because it is already used by statement which invoked this stored function/trigger I am running a MySQL Query. But when a new row is added from form input I get this error: Error:Can'tupdate table'brandnames'instoredfunction/trigge...
Re: commit is not allowed in stored function 4040 Seppo Laaksonen February 27, 2011 03:07PM Re: commit is not allowed in stored function 3324 Thomas Wiedmann February 28, 2011 03:20AM Re: commit is not allowed in stored function 2717 Seppo Laaksonen February 28, 2011 07:08AM...
The stored functionGTID_UNION()can be used to identify the most up-to-date replica from a set of replicas, in order to perform a manual failover operation after a source server has stopped unexpectedly. If some of the replicas are experiencing replication lag, this stored function can be us...
The conditions on the use of stored functions in MySQL can be summarized as follows. These conditions do not apply to stored procedures or Event Scheduler events and they do not apply unless binary logging is enabled. To create or alter a stored function, you must have theSUPERprivilege, in...
Bug #27354 stored function in where condition was always treated as const Submitted: 21 Mar 2007 19:33Modified: 24 Apr 2007 1:32 Reporter: Andrei Elkin Email Updates: Status: Closed Impact on me: None Category: MySQL ServerSeverity: S3 (Non-critical) Version: 5.0.38OS: Any Assigned ...
Bug #111526STR_TO_DATE fails in MySQL stored function with error instead of returning NULL Submitted:21 Jun 2023 19:02Modified:22 Jun 2023 13:09 Reporter:Lewis GrahamEmail Updates: Status:VerifiedImpact on me: None Category:MySQL Server: Stored RoutinesSeverity:S3 (Non-critical) ...
In the following section, you learn how to create and delete stored procedures in your MySQL database.Note: You can not update the body of a stored procedure object after creation. To update the logic stored in an object, you must delete it and create it again with the same object name...
Using MySQL 5.1.30-community, I get this problem with stored function and transactions. CREATE FUNCTION function1() RETURNS INT SQL SECURITY INVOKER BEGIN START TRANSACTION; COMMIT; RETURN 1; END => 1 Explicit or implicit commit is not allowed in stored function or trigger. Function: function...