CURRENT_USER_ID
Returns the unique identifier for the Amazon Redshift user logged in to the current session.
Syntax
CURRENT_USER_ID
Return type
The CURRENT_USER_ID function returns an integer.
Examples
The following example returns the user name and current user ID for this session:
select user, current_user_id;
current_user | current_user_id
--------------+-----------------
dwuser | 1
(1 row)