On Mon, Sep 19, 2005 at 10:16:36PM -0400, Bruce Momjian wrote: > > Added to TODO: > > * Allow DISTINCT to use hashing like GROUP BY
3 lines above we have... Consider using hash buckets to do DISTINCT, rather than sorting This would be beneficial when there are few distinct values. Can you add http://archives.postgresql.org/pgsql-hackers/2005-09/msg00810.php? All I could find on the other TODO was http://archives.postgresql.org/pgsql-committers/2004-09/msg00028.php, which doesn't help much... -- Jim C. Nasby, Sr. Engineering Consultant [EMAIL PROTECTED] Pervasive Software http://pervasive.com work: 512-231-6117 vcard: http://jim.nasby.net/pervasive.vcf cell: 512-569-9461 ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match
