MySQL Create function report error 1418 wrong, cannot create function, according to official hint is said, can not create a function may be a security setting configuration or function is not open cause, let us look together.ErrorERROR 1418 (HY000):
Creates a user-defined function that is a saved Transact-SQL routine that returns a value. User-defined functions cannot be used to perform a set of actions that modify the state of the global database. As with system functions, user-defined
Create a user-defined function, which is a stored Transact-SQL routine of the returned value. User-defined functions cannot be used to modify the global database status. Like system functions, user-defined functions can be called from queries. You
Create a user-defined function, which is a stored Transact-SQL routine of the returned value. User-defined functions cannot be used to modify the global database status. Like system functions, user-defined functions can be called from queries. You
Http://stackoverflow.com/questions/745538/create-function-through-mysqldbHow can I define a multi-statement function or procedure with using the MySQLdb lib in python?Example: import Mysqldbdb = mysqldb.connect (db= ' service ' Span class= "pun" >)
Function1: See if function creation is turned onMysql> Show variables like '%func% ';//+---------------------------------+-------+| variable_name | Value |+---------------------------------+-------+| log_bin_trust_function_creators | OFF |+----------
SQL: MySql create FUNCTION, VIEW, PROCEDURE, mysqlprocedure
Use geovindu; # function DELIMITER $ drop function if exists f_GetDepartmentName $ CREATE function f_GetDepartmentName (did int) returns nvarchar (400) begindeclare str nvarchar (100 );
Use Geovindu, #函数DELIMITER $ $drop function if exists f_getdepartmentname $ $CREATE function f_getdepartmentname (did int) Returns nvarchar (+) begindeclare str nvarchar (+); Select Departmentname into str from departmentlist where Departmenti D=did;
When I recently debugged a DLL, there was an inexplicable assertion error that when a control was created in the main program that was exported by an MFC extension DLL (the control inherits from the CWnd Class), a call to the Create () function
MySQL 5.1 Reference Manual
In MySQL 5.1, a storage subroutine or function is associated with a specific database. Here are a few meanings:
· When a sub-program is called, an implicit useDb_nameExecuted (stops executing when the subroutine ends ).
A custom Function (UDF) extends MySQL by using a new function like an intrinsic (built-in) function like ABS () or CONCAT ().
CREATE [AGGREGATE] FUNCTION function_name RETURNS {STRING|INTEGER|REAL} SONAME shared_library_name DROP FUNCTION
DB2 Create function (a), which describes the use of function content as a field value, or as a where condition.DB2 creates function (ii), which describes the creation of the returned content as a table collection. A call example is shown below?
The Class in Prototype is generally created using the Class. create method, for example, PeriodicalExecuter type. You can call newPeriodicalExecuter (xxx) to generate an object.
The Code is as follows:
/*** A well-designed timing actuator* First,
/*Defining functions*/The function body of SayHello first defines a new string constant named greetingand set it up plus personname to make a simple greeting message(persnalname:string) function's parameterString: Return value type of function,
An abstract class cannot be used as a function parameter object, but the pointer and reference method of the abstract class can be used. For example, the following function is valid.Void fun (cabstract * P );Void fun (cabstract & );Invalid example:
★ Create function simulates the function of printf with the form of a variable parameter list.Simulates the output form of a simple input single character and stringsuch as: input:%c%c%c%c%c\t%s, ' h ', ' e ', ' l ', ' l ', ' o ', ' Welcome to here!
Write a script:1, create a function, can accept two parameters:1) The first parameter is a URL, you can download the file, the second parameter is a directory, that is, the location of the download after the save;2) If the user-given directory does
The code is as follows:
Error code: 1418This function has none of the deterministic, NO SQL, or reads SQL DATA in the its declaration and binary logging are enabled (you * Might* want to use the less safe log_bin_trust_function_creators variable)
This function has a none of deterministic, NO SQL, or READS SQL DATA in its declaration and binaryMySQL settings by default are not allowed to create functionsWorkaround 1:Perform:SET GLOBAL log_bin_trust_function_creators = 1;But it doesn't work
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