On Mon, Nov 13, 2017 at 2:05 PM, Andreas Joseph Krogh <andreas@xxxxxxxxxx> wrote: > When sorting on text, we're usually doing so using an multi-column index, like for instance "CREATE INDEX xxx ON my_table (lower(name) ASC, created ASC)". Will abbreviated keys help here? Yes, they'll help with that, even though the leading column might be low cardinality. -- Peter Geoghegan -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
