mysql> SELECT EXPORT_SET(5,'Y','N',',',4); +---+ | EXPORT_SET(5,'Y','N',',',4) | +---+ | Y,N,Y,N | +---+ 1 row in set (0.00
mysql> create table tb_function(id int primary key auto_increment,name varchar(100),create_time datetime); Query OK, 0 rows affected (0.01 sec) mysql> insert into tb_function(name,creatE_time) values('anniuadaOAIFAPUHIA','2020-07-01 12:00:00'); Query OK, 1 row affected (0.02 sec)...
Returns 0 if str is not in strlist or if strlist is the empty string. Returns NULL if either argument is NULL. This function does not work properly if the first argument contains a comma (,) character. mysql> SELECT FIND_IN_SET('b','a,b,c,d'); -> 2...
About Worklog MySQL Worklogs are design specifications for changes that may define past work, or be considered for future development. WL#3716: WEIGHT_STRING function Description High Level Architecture Low Level Design Allow a function named WEIGHT_STRING(), which takes a string and returns the ...
CREATE [AGGREGATE] FUNCTION function_name RETURNS {STRING|INTEGER|REAL|DECIMAL} To create a function, you must have the INSERT privilege for the <mysql> database. Split delimited strings The following example function takes 3 parameters, performs an operation using an SQL function, and returns the...
MySQL INSTR() Function:提供了关于INSTR函数的详细信息和示例。 请注意,上述链接是一个通用的教程网站,可能不是腾讯云的产品链接。在实际应用中,你可以根据需要在腾讯云官网上查找更多关于 MySQL 和INSTR函数的详细信息和教程。 相关·内容 文章 问答(9999+) ...
DROP function IF EXISTS GET_TRUNC // create function GET_TRUNC( value INT , format VARCHAR (200)) returns INT BEGIN DECLARE position INT DEFAULT 0; DECLARE ret INT; set position = LOCATE ('.',format); if position != 0 then ...
在MySQL中,表达式IF(string IN (0), TRUE, FALSE)的行为可能会让人感到困惑,尤其是当string是一个非数字字符串时。这是因为MySQL在进行比较时会进行类型转换。 基础概念 MySQL在进行比较时会遵循一定的类型转换规则。当使用IN操作符时,MySQL会尝试将string转换为一个数字,以便与0进行比较。如果string不能被转换...
ASPLITfunction that specifies a negative token number and would be legal with other data sources will return the error with these data sources:"Splitting from right is not supported by the data source." See Also Functions in Tableau Tableau Functions (Alphabetical) ...
I want to call MySQL string function LOCATE inside a function . but when i try to execute then it says the string function LOCATE doesnt exist . The error is as follows. mysql> select GET_TRUNC(122344.535345345,'9999.99');// ERROR 1305 (42000): FUNCTION <databasename>.LOCATE does not ...