The following bug has been logged online:
Bug reference: 2913
Logged by: Roman Nowak
Email address: roman_nowak@poczta.onet.pl
PostgreSQL version: 8.2.1
Operating system: Windows XP
Description: Subscript on multidimensional array yields no value
Details:
SELECT (ARRAY[[1,2],[3,4]])[1];
does not return [1,2]
(testes in psql and pgAdmin III): show info that one row was returned but
does not display its value
following statment works OK btw
SELECT (ARRAY[[1,2],[3,4]])[1:1];