On Mon, Nov 13, 2017 at 2:05 PM, Andreas Joseph Krogh <andr...@visena.com> 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@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
