SPLIT_STR

CREATE DEFINER=`root`@`%` FUNCTION `vir`.`SPLIT_STR`(
x VARCHAR(1000),
delim VARCHAR(12),
pos INT
) RETURNS varchar(1000) CHARSET utf8
RETURN REPLACE(SUBSTRING(SUBSTRING_INDEX(x, delim, pos),
LENGTH(SUBSTRING_INDEX(x, delim, pos -1)) + 1),
delim, '')

原文地址:https://www.cnblogs.com/adolfmc/p/7606467.html