LAST4

This page describes the LAST4 function in Lenses SQL.

LAST4(strExpr)

Anonymize the value and only keep the last four characters.

Available in:

Processors	SQL Studio
✓	✓

Sample code:

USE `kafka`;
SELECT 
  LAST4(first_name) AS first_name_hidden,
  first_name
FROM users-events
LIMIT 1;

Output:

{
  "value": {
    "first_name_hidden": "*****enda",
    "first_name": "Brenda"
  }
}