Locate (locate)
Description
The field created returns the position of the first occurrence of a specified value in a string, counting from 0. Note that this operation is case sensitive.
How does it work in the search window?
Select Create field in the search window toolbar, then select the Locate operation. You need to specify two arguments:
Argument | Data type |
---|---|
String mandatory | string |
Substring to locate mandatory | string |
The data type of the values in the new field is string.
Example
In the demo.ecommerce.data
table, we want to know the position of the ? character in the strings of the uri field. To do it, we will create a new field using the Locate operation.
The arguments needed to create the new field are:
String - uri field
Substring to locate - ?
Click Create column and you will see the following result:
How does it work in LINQ?
Use the operator select
... as
... and add the operation syntax to create the new column. This is the syntax for the Locate operation:
locate(string, string_to_locate)
Example
You can copy the following LINQ script and try the above example on the demo.ecommerce.data
table.Â
from demo.ecommerce.data
select locate(uri, "?") as `uri_locate_?`