This tip was authored by Jim Knicely.
When you connect to a Vertica database you can set a client connection label to help you later identify the connection.
Example:
=> SELECT SET_CLIENT_LABEL('Daily Load');
SET_CLIENT_LABEL
--------------------------------
client_label set to Daily Load
(1 row)
=> SELECT GET_CLIENT_LABEL();
GET_CLIENT_LABEL
------------------
Daily Load
(1 row)
=> SELECT client_label FROM sessions WHERE session_id = current_session();
client_label
--------------
Daily Load
(1 row)
Have fun!