On 1 May 2014 21:01, Seb <splu...@gmail.com> wrote: > On Thu, 1 May 2014 20:22:26 +0200, > Szymon Guz <mabew...@gmail.com> wrote: > > > Hi, several Gb is about 1GB, that's not too much. In case you meant > > 'several GB', that shouldn't be a problem as well. > > Sorry, I meant several GB. Although that may not be a problem for > PostgreSQL, it is for post-processing the output file with other tools. > > > > The first thing I'd do would be creating an index on the column used > > for dividing the data. Then I'd just use the command COPY with a > > proper select to save the data to a file. > > I should have mentioned that this is quite a complex view (not a table), > which joins several other views of similar complexity. I'm not sure > whether indexes are useful/feasible in this case. I'll investigate. >
Yes, indexes can be used to speed up the view as well. Such a view is nothing more than just a query. regards, Szymon
