multi_search_all_positions
Description
Syntax
ARRAY<INT> multi_search_all_positions(VARCHAR haystack, ARRAY<VARCHAR> needles)
返回一个 ARRAY，其中第 i 个元素为 needles 中第 i 个元素 needle，在字符串 haystack 中首次出现的位置。位置从1开始计数，0代表未找到该元素。大小写敏感。
example
mysql> select multi_search_all_positions('Hello, World!', ['hello', '!', 'world']);
+----------------------------------------------------------------------+
| multi_search_all_positions('Hello, World!', ['hello', '!', 'world']) |
+----------------------------------------------------------------------+
| [0,13,0] |
+----------------------------------------------------------------------+
select multi_search_all_positions("Hello, World!", ['hello', '!', 'world', 'Hello', 'World']);
+---------------------------------------------------------------------------------------------+
| multi_search_all_positions('Hello, World!', ARRAY('hello', '!', 'world', 'Hello', 'World')) |
+---------------------------------------------------------------------------------------------+
| [0, 13, 0, 1, 8] |
+---------------------------------------------------------------------------------------------+keywords
MULTI_SEARCH,SEARCH,POSITIONS