On Thu, Sep 10, 2009 at 10:56 AM, Tom Lane <t...@sss.pgh.pa.us> wrote:
> bricklen <brick...@gmail.com> writes: > > I just created a new index as Tom said, and the query *does* use the new > > index (where ofid precedes date in the definition). > > And is it indeed faster than the other alternatives? > > regards, tom lane > About the same as the earlier, faster plan: Aggregate (cost=2342.79..2342.80 rows=1 width=8) (actual time=8.433..8.433 rows=1 loops=1) -> Index Scan using statsdaily_ofid_date on statsdaily (cost=0.00..2330.61 rows=4873 width=8) (actual time=0.089..5.043 rows=3125 loops=1) Index Cond: ((ofid = 38) AND (date >= '2009-09-01'::date) AND (date <= '2999-01-01'::date)) Total runtime: 8.470 ms