SUBSTRING
Extracts a substring starting from a specified point within the given string.
This is an alias for the SUBSTR
function.
Syntax
Arguments
STRING
STRING
Type: string
The string to extract a substring from.
START
START
Type: integer
The starting index of the substring.
Positions start with 1
. A negative starting position is interpreted as being relative to the end of the string.
LENGTH
LENGTH
Type: integer
(Optional) The length of the substring.
If omitted, the rest of the string after the starting position START
is returned.
Returns
Type: string
Returns a substring from STRING
of length LENGTH
from the starting position START
.
Examples
STRING | START | LENGTH | Output |
---|---|---|---|
Hello World | 1 | 5 | Hello |
Hello World | 0 | 4 |
|
Hello World | -5 | 5 | World |
Hello World | 12 | 4 |
|
Hello World | -12 | 4 |
|
Hello World | 2 | 3 | ell |
Hello World | 3 | -2 |
|
Hello World | 2 | 14 | ello World |
Hello World | 2 | ello World | |
Hello World | -3 | 2 | rl |
| -3 | 2 |
|
Transformation job example
SQL
Query result
orderid | orderid_substring |
---|---|
yKib3twExs | yKib3 |
g7uXq8bySD | g7uXq |
NQ2xWzj1EV | NQ2xW |
Last updated