Log Message:
-----------
Add:
> * Consider using hash buckets to do DISTINCT, rather than sorting
>
> This would be beneficial when there are few distinct values.
Modified Files:
--------------
pgsql-server/doc:
TODO (r1.1347 -> r1.1348)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/doc/TODO.diff?r1=1.1347&r2=1.1348)