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doris/docs/documentation/cn/sql-reference/sql-functions/string-functions/split_part.md
2019-07-10 09:47:33 +08:00

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split_part

Syntax

VARCHAR split_part(VARCHAR content, VARCHAR delimiter, INT field)

Description

根据分割符拆分字符串, 返回指定的分割部分(从一开始计数)。

Examples

mysql> select split_part("hello word", " ", 1);
+----------------------------------+
| split_part('hello word', ' ', 1) |
+----------------------------------+
| hello                            |
+----------------------------------+


mysql> select split_part("hello word", " ", 2);
+----------------------------------+
| split_part('hello word', ' ', 2) |
+----------------------------------+
| word                             |
+----------------------------------+

mysql> select split_part("2019年7月8号", "月", 1);
+-----------------------------------------+
| split_part('2019年7月8号', '月', 1)     |
+-----------------------------------------+
| 2019年7                                 |
+-----------------------------------------+

mysql> select split_part("abca", "a", 1);
+----------------------------+
| split_part('abca', 'a', 1) |
+----------------------------+
|                            |
+----------------------------+