Jon Nelson <jnelson+pg...@jamponi.net> writes: > Is the sorting that is necessary for index creation unable to use a > hash table? (This is a standard btree index).
Hash aggregation isn't sorting --- it's only useful for grouping. regards, tom lane -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance