Re: Table partitioning for maximum speed?
Vivek Khera <khera@kcilink.com>
From: Vivek Khera <khera@kcilink.com>
To: pgsql-general@postgresql.org
Date: 2003-10-10T21:18:25Z
Lists: pgsql-general
>>>>> "JL" == Jean-Luc Lachance <jllachan@nsd.ca> writes: JL> BULL. JL> How many times does PG have to scan the whole table because of MVCC? JL> At least with partitioning there is a fighting chance that that won't be JL> necessary. Huh? His specific query was "WHERE md5 = '....'". Why on earth would that force a sequence scan if it were an indexed column? Heck, the btree index should rule out 15/16ths of the rows after the first character comparison.