are you talking about entering the Function or executing it ? mysql> delimiter | mysql> CREATE -> #DEFINER = 'admin'@'localhost' -> FUNCTION tp_fnUserValidate (p_username VARCHAR(10), p_password VARCHAR(20)) -> RETURNS INTEGER -> READS SQL DATA -> BEGIN -> DECLARE var_rows INT; ...
查看定义的函数 SHOW FUCNTION STATUS LIKE 'function_name',或者是使用SHOW CREATE FUNCTION function_name; mysql>SHOWFUNCTIONSTATUSLIKE'hello';+---+---+---+---+---+---+---+---+---+---+---+|Db|Name|Type|Definer|Modified|Created|Security_type|Comment|character_set_client|collation_conn...
Query:createfunctionNameByT()returnchar(50)return(select name from t3 where id=2)Error Code:1064You have an errorinyourSQLsyntax;check the manual that corresponds to your MySQL server versionforthe right syntax to use near 'returnchar(50)return(select name from t3 where id=2)' at line2Exe...
CREATE[AGGREGATE]FUNCTION[IFNOTEXISTS]function_nameRETURNS{STRING|INTEGER|REAL|DECIMAL}SONAMEshared_library_name This statement loads the loadable function namedfunction_name. (CREATE FUNCTIONis also used to created stored functions; seeSection 15.1.17, “CREATE PROCEDURE and CREATE FUNCTION Statements”....
If the routine name is the same as the name of a built-in SQL function, a syntax error occurs unless you use a space between the name and the following parenthesis when defining the routine or invoking it later. For this reason, avoid using the names of existing SQL functions for your ...
CREATE PROCEDURE Proc() BEGIN SELECT * FROM t3; END Query: CREATE PROCEDURE Proc() BEGIN SELECT * FROM t3 Error Code: 1064 You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 3 ...
Implement MySQL custom function syntax 'if' 二、具体步骤 三、详细说明 1、创建mysql函数 ```sql CREATE FUNCTION my_if(condition BOOLEAN, result1 DATATYPE, result2 DATATYPE) RETURNS DATATYPE 1. 2. condition: 条件表达式 result1: 条件成立时的返回值 ...
create function 函数名([参数列表]) returns 数据类型 begin sql语句; return 值; end; 1. 2. 3. 4. 5. 示例1: create table class ( id int not null, cname varchar(10) not null, primary key(id) ); 1. 2. 3. 4. 5. -- 最简单的仅有一条sql的函数 ...
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create function help Posted by:Todd Woolums Date: March 04, 2009 10:20AM New to mysql functions and looking for some help. Here is what I have but it keeps saying I have a syntax error. Sql statement works as I would expect just can't get the function to work....