select date_part('epoch', timestamp(topics.date_added)) from table; On Thu, 22 Mar 2001, Richie wrote: > Hi > > I have a field of type timestamp in my database but when I retrieve it I > want to convert it to its unix timetamp value because I need to compare 2 > tables by their timestamp value. > > Any ideas how to convert PostgreSQL timestamp to Unix timestamp??? > > Thanks > > Richie > > ========================================================= > Richie Duggan > Computer Science IV > University College Cork > Eamil : dugganr@xxxxxxxxxxxxxxxxx richie_dug@xxxxxxxxx > Homepage : http://student.cs.ucc.ie/01/dugganr/index.html > > > ---------------------------(end of broadcast)--------------------------- > TIP 3: if posting/reading through Usenet, please send an appropriate > subscribe-nomail command to majordomo@xxxxxxxxxxxxxx so that your > message can get through to the mailing list cleanly > ---------------------------(end of broadcast)--------------------------- TIP 4: Don't 'kill -9' the postmaster