l_str_value := SUBSTR(p_string, l_start_pos); PIPE ROW(SplitStringWithSeqType(l_seq_num, l_str_value)); EXIT; ENDIF; l_str_value := SUBSTR(p_string, l_start_pos, l_end_pos - l_start_pos); PIPE ROW(SplitStringWithSeqType(l_seq_num, l_str_value)); l_start_pos := l_...
为了解决这个问题,MySQL提供了STRING_SPLIT函数,它可以将一个字符串按照指定的分隔符进行拆分,并返回一个包含拆分后值的结果集。 STRING_SPLIT的用法 STRING_SPLIT函数的用法非常简单,只需要传入要拆分的字符串和分隔符作为参数即可。下面是STRING_SPLIT函数的语法: STRING_SPLIT(string,separator) 1. string:要拆分的...
MySQL does not include a function to split a delimited string. However, it’s very easy to create your own function. Create function syntax Auser-defined functionis a way to extend MySQL with a new function that works like a native MySQL function. CREATE [AGGREGATE] FUNCTION function_name R...
Below is the code for the MS T-SQL function. Is there any way to do something similar in MySQL? CREATE FUNCTION ufSplitString ( @InString varchar(8000), @Delim char(1) ) RETURNS @Return table ( Position int identity, Token varchar(100) -- Maximum token size is 100 chars... ...
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...
强烈建议使用 DBMS 指定的转义函数 (比如 MySQL 是 mysqli_real_escape_string(),PostgreSQL 是 pg_escape_string()),但是如果你使用的 DBMS 没有一个转义函数,并且使用 \ 来转义特殊字符,你可以使用这个函数。 仅仅是为了获取插入数据库的数据,额外的 \ 并不会插入。 当 PHP 指令 magic_quotes_sybase 被设置...
1、创建函数 -- 创建存储函数 DROP FUNCTION IF EXISTS SPLIT_STR; -- 判断是否存在,存在则删除 CREATE FUNCTION SPLIT_STR( x VARCHAR(255), delim VARCHAR(12), pos INT ) RETURNS VA
定义函数中可能会遇到【ERROR 1418 (HY000): This function has none of DETERMINISTIC, NO SQL, xxx】错误,通过set global log_bin_trust_function_creators=1;设置即可解决,可参考:【Mysql自定义函数报错解决方法】 参考:【stackoverflow】How to split the name string in mysql? 这里只是一个说明,函数就是利...
SELECT * FROM STRING_SPLIT('1,2',',') AS X© 1 2 STRING_SPLIT is a table-valued function. STRING_AGG Return a string that consists of concatenated string values in row groups. SELECT STRING_AGG(C, ',') FROM VALUES(1,'a'), (1, 'b'), (2...
CREATE DEFINER=`User`@`localhost` FUNCTION `split`(sStringIn text,splitChar varchar(1)) RETURNS text CHARSET latin1 NO SQL BEGIN DECLARE comma INT DEFAULT 0; DECLARE mylist TEXT DEFAULT sStringIn; DECLARE temp TEXT DEFAULT ''; DECLARE strlen int DEFAULT LENGTH(sStringIn); ...