SPLIT_PART

Splits <string> at occurrences of <delimiter> and returns the <index>‘th field, with 1 being the first index. If <index> is negative, returns the abs(<index>)‘th-from-last field. If <delimiter> is empty, <string> is returned at <index> 1. If abs(<index>) is larger than the number of fields, returns an empty string. The function raises an error for <index> 0.

Syntax

SPLIT_PART(<string>, <delimiter>, <index>)

Parameters

Parameter	Description	Supported input types
<string>	A value expression evaluating to the string to be split.	TEXT
<delimiter>	A value expression evaluating to the delimiter character sequence.	TEXT
<index>	The index from which to return the substring.	INTEGER

Return Type

TEXT

Examples

SELECT
	SPLIT_PART('hello#world','#',1) AS res;

Returns: 'hello'

SELECT
	SPLIT_PART('this|is|my|test', '|', -2) AS res;

Returns: 'my'

SELECT
	SPLIT_PART('hello world', '', 1) AS res;

Returns: hello world

SELECT
	SPLIT_PART('hello world', '', 7) AS res;

Returns: ''