# `Fun_deleteManyChar` (function) > 根据in_splict切割字符串,去除重复元素 - **Type:** FUNCTION - **Returns:** `varchar` - **Deterministic:** NO - **SQL data access:** CONTAINS SQL - **Created:** 2026-04-27 19:10:15 - **Last altered:** 2026-04-27 19:10:15 ## Parameters | # | Mode | Name | Type | |---|---|---|---| | 0 | RETURN | `` | `varchar(600)` | | 1 | IN | `in_str` | `varchar(600)` | | 2 | IN | `in_splict` | `varchar(600)` | ## Body _Body is not pre-cached. To inspect: `mysql --defaults-file=~/.my.cnf -e 'SHOW CREATE FUNCTION `Fun_deleteManyChar`'`._ ## Narrative _No human-written narrative yet._