CREATE EXTENSION IF NOT EXISTS anon CASCADE;
CREATE TABLE people(name TEXT, age INT, zipcode TEXT);
CREATE ROLE batman;
-- This works
SECURITY LABEL FOR anon ON COLUMN people.name
IS 'MaSKeD WiTH FuNCTioN anon.fake_last_name()';
-- This is not valid
SECURITY LABEL FOR anon ON COLUMN people.age
IS 'MASKED     WITH    FUNCTION      anon.random_date()';
ERROR:  'MASKED     WITH    FUNCTION      anon.random_date()' is not a valid masking rule
-- This is correct
SECURITY LABEL FOR anon ON ROLE batman IS 'MasKeD';
-- This is not valid
SECURITY LABEL FOR anon ON ROLE batman IS 'maskeeeed';
ERROR:  'maskeeeed' is not a valid masking rule
-- Clean up
DROP TABLE people CASCADE;
DROP ROLE batman;
DROP EXTENSION anon CASCADE;