split_by_string

description

Syntax

split_by_string(s, separator)

将字符串拆分为由字符串分隔的子字符串。它使用多个字符的常量字符串分隔符作为分隔符。如果字符串分隔符为空，它将字符串拆分为单个字符数组。

Arguments

separator — 分隔符是一个字符串，是用来分割的标志字符. 类型: String

s — 需要分割的字符串. 类型: String

Returned value(s)

返回一个包含子字符串的数组. 以下情况会返回空的子字符串:

需要分割的字符串的首尾是分隔符;

多个分隔符连续出现;

需要分割的字符串为空，而分隔符不为空.

Type: Array(String)

notice

仅支持向量化引擎中使用

example

select split_by_string('a1b1c1d','1');
+---------------------------------+
| split_by_string('a1b1c1d', '1') |
+---------------------------------+
| ['a', 'b', 'c', 'd']            |
+---------------------------------+
select split_by_string(',,a,b,c,',',');
+----------------------------------+
| split_by_string(',,a,b,c,', ',') |
+----------------------------------+
| ['', '', 'a', 'b', 'c', '']      |
+----------------------------------+
SELECT split_by_string(NULL,',');
+----------------------------+
| split_by_string(NULL, ',') |
+----------------------------+
| NULL                       |
+----------------------------+
select split_by_string('a,b,c,abcde',',');
+-------------------------------------+
| split_by_string('a,b,c,abcde', ',') |
+-------------------------------------+
| ['a', 'b', 'c', 'abcde']            |
+-------------------------------------+
select split_by_string('1,,2,3,,4,5,,abcde', ',,');
+---------------------------------------------+
| split_by_string('1,,2,3,,4,5,,abcde', ',,') |
+---------------------------------------------+
| ['1', '2,3', '4,5', 'abcde']                |
+---------------------------------------------+
select split_by_string(',,,,',',,');
+-------------------------------+
| split_by_string(',,,,', ',,') |
+-------------------------------+
| ['', '', '']                  |
+-------------------------------+
select split_by_string(',,a,,b,,c,,',',,');
+--------------------------------------+
| split_by_string(',,a,,b,,c,,', ',,') |
+--------------------------------------+
| ['', 'a', 'b', 'c', '']              |
+--------------------------------------+

keywords

SPLIT_BY_STRING,SPLIT