-- Create a test ULID value
CREATE TEMP TABLE test_ulids AS
SELECT '01GV5PA9EQG7D82Q3Y4PKBZSYV'::ulid as test_ulid;

-- Test conversion to text
SELECT 'ulid to text conversion' as test_name,
       test_ulid::text = '01GV5PA9EQG7D82Q3Y4PKBZSYV' as result
FROM test_ulids;

-- Test conversion to UUID
SELECT 'ulid to UUID conversion' as test_name,
       test_ulid::uuid::text = '0186cb65-25d7-81da-815c-7e25a6bfe7db' as result
FROM test_ulids;

-- Test conversion to bytea
SELECT 'ulid to bytea conversion' as test_name,
       length(test_ulid::bytea) = 16 as result
FROM test_ulids;

-- Test conversion to timestamp
SELECT 'ulid to timestamp conversion' as test_name,
       to_char(test_ulid::timestamp, 'YYYY-MM-DD HH24:MI:SS.MS') = '2023-03-10 04:00:49.111' as result
FROM test_ulids;

-- Test conversion from UUID
SELECT 'UUID to ulid conversion' as test_name,
       '0186cb65-25d7-81da-815c-7e25a6bfe7db'::uuid::ulid::text = '01GV5PA9EQG7D82Q3Y4PKBZSYV' as result;

-- Test conversion from timestamp
SELECT 'timestamp to ulid conversion' as test_name,
       '2023-03-10 12:00:49.111'::timestamp::ulid::text = '01GV5PA9EQ0000000000000000' as result;