-- try_convert(fallback anyelement, value text): SQL Server argument order
\pset null '(null)'
SELECT try_convert(NULL::int, '42');
 try_convert 
-------------
          42
(1 row)

SELECT try_convert(NULL::int, 'abc');
 try_convert 
-------------
      (null)
(1 row)

SELECT try_convert(0, 'abc');
 try_convert 
-------------
           0
(1 row)

SELECT try_convert(NULL::numeric, '1.5');
 try_convert 
-------------
         1.5
(1 row)

SELECT try_convert(NULL::timestamp, '2026-10-17 10:30:00');
       try_convert        
--------------------------
 Sat Oct 17 10:30:00 2026
(1 row)

SELECT try_convert(NULL::timestamp, '2026-10-17 25:30:00');
 try_convert 
-------------
 (null)
(1 row)

SELECT try_convert(0, NULL);
 try_convert 
-------------
      (null)
(1 row)

-- same answer as try_cast
SELECT try_convert(NULL::uuid, v) IS NOT DISTINCT FROM try_cast(v, NULL::uuid) AS same
FROM (VALUES ('a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a11'), ('nope')) t(v);
 same 
------
 t
 t
(2 rows)