Cory Tucker wrote: > I have a query that is using a tremendous amount of temp disk space given the overall size of the dataset. > I'd love for someone to try to explain what PG is doing and why its using so much space for the query. It could be a sort or a hash operation. Do determine what is going on, EXPLAIN (ANALYZE, BUFFERS) output would be useful. Yours, Laurenz Albe -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general