Marcel van Pinxteren wrote on 21.01.2013 17:25:
The other reason, is that I assume that "lower()" adds overhead
It won't add any noticeable overhead for the unique index. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
