On Tue, 20 Aug 2002, Lucas Brasilino wrote: > I'm running postgresql 7.0 with a column like: > > Table "materia" > Column | Type | Modifiers > --------------------+--------------------------+----------- > > materiadata | timestamp with time zone | not null > mmateriatitulo | character varying(80) | not null > materiasequencial | numeric(30,6) | not null > > > I used to execute this query: > > select max(time(materiadata)) from materia; > > or > select materiasequencial, materiatitulo, time(materiadata) > from materia > order by time(materiadata) desc; > > I've read at PostgreSQL 7.3dev Administrator Guide's Release Notes that > time() and timestamp() functions in postgresql 7.2 are deprecated (so in > 7.2.1). > > So, how can I get the same result above without using time() ?? > Or if it not possible, how can I extract (yes, I tried with extract() > function too) time from a timestamp column? > I know it's quite simple question... but I haven't find any clue!
In general you could probably use CAST(materiadata as time) I'd guess. I believe that at this point you can still use the functions, you just need to double quote them ("time"(materiadata)) to differentiate them from the type specifiers. ---------------------------(end of broadcast)--------------------------- TIP 5: Have you checked our extensive FAQ? http://www.postgresql.org/users-lounge/docs/faq.html