Tom Smith schrieb am 03.09.2015 um 14:11: >> >> SELECT first_value(col1) over (order by col1), >> last_value(col1) over (order by col1) >> FROM table; >> > The window function works for me (with adding limit 1 in the end to output only one row > needed instead of many duplicate rows). If that works for you with a LIMIT 1, then I don't understand why select min(col1), max(col1) from table doesn't work for you -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general