FIRST1
This page describe the FIRST1 function in Lenses SQL.
Anonymize the value and only keep the first character.
Available in:
Sample code:
USE `kafka`;
SELECT
FIRST1(first_name) AS first_name_hidden,
first_name
FROM users-events
LIMIT 1;
Output:
{
"value": {
"first_name_hidden": "M*****",
"first_name": "Melissa"
}
}