BEGIN; CREATE EXTENSION IF NOT EXISTS anon CASCADE; CREATE TABLE employee AS SELECT 'john' as "NAME", 100000 AS salary; SECURITY LABEL FOR anon ON COLUMN employee.salary IS 'MASKED WITH VALUE 0'; \timing SELECT bool_and(anon.masking_expressions_for_table('employee'::REGCLASS) IS NOT NULL) AS "anon.masking_expressions" FROM generate_series(1,1000); SELECT bool_and(anon.mask_filters('employee'::REGCLASS) IS NOT NULL) AS "anon.mask_filters" FROM generate_series(1,1000); \timing off ROLLBACK;