BEGIN;
CREATE SCHEMA dbo;
CREATE TABLE dbo.tbl1 AS
SELECT
    1234::INTEGER AS staff_id,
    'John'::TEXT AS firstname,
    'Doe'::TEXT  AS lastname,
    'john@doe.com'::TEXT AS email
;
CREATE EXTENSION IF NOT EXISTS anon CASCADE;
SECURITY LABEL FOR anon ON COLUMN dbo.tbl1.lastname
IS 'MASKED WITH FUNCTION anon.fake_last_name()';
SELECT anon.init();
 init 
------
 t
(1 row)

SELECT lastname = 'Doe' FROM dbo.tbl1;
 ?column? 
----------
 t
(1 row)

-- Test with the masked schema in the search path
SET search_path=dbo,public;
SET anon.sourceschema TO 'dbo';
SET anon.maskschema TO 'dbo_mask';
SELECT anon.start_dynamic_masking();
 start_dynamic_masking 
-----------------------
 t
(1 row)

SELECT lastname != 'Doe' FROM dbo_mask.tbl1;
 ?column? 
----------
 t
(1 row)

SELECT anon.stop_dynamic_masking();
 stop_dynamic_masking 
----------------------
 t
(1 row)

SELECT COUNT(*)=0 FROM pg_namespace WHERE nspname='dbo_mask';
 ?column? 
----------
 t
(1 row)

-- Test WITHOUT the masked schema in the search path
SET search_path=public;
SET anon.sourceschema TO 'dbo';
SET anon.maskschema TO 'dbo_MASK_2';
SELECT anon.start_dynamic_masking();
 start_dynamic_masking 
-----------------------
 t
(1 row)

SELECT lastname != 'Doe' FROM "dbo_MASK_2".tbl1;
 ?column? 
----------
 t
(1 row)

SELECT anon.stop_dynamic_masking();
 stop_dynamic_masking 
----------------------
 t
(1 row)

SELECT COUNT(*)=0 FROM pg_namespace WHERE nspname='dbo_MASK_2';
 ?column? 
----------
 t
(1 row)

ROLLBACK;