Re: Bad performance on simple query

On Monday 17 November 2008, Dimi Paun <dimi@lattica.com> wrote:
>> It takes 0.091s (!):
> perpedes_db=# EXPLAIN ANALYZE SELECT * FROM triphistory WHERE ownerId =
> 10015 ORDER BY accessTS DESC LIMIT 5; QUERY PLAN
> -------------------------------------------------------------------------
>--------------------------------------------------------------------------
>--------------- Limit  (cost=0.00..7.99 rows=5 width=106) (actual
> time=0.024..0.042 rows=5 loops=1) ->  Index Scan Backward using
> idx_trip_history_owner_access_ts on triphistory  (cost=0.00..142.20
> rows=89 width=106) (actual time=0.021..0.034 rows=5 loops=1) Index Cond:
> (ownerid = 10015)
>  Total runtime: 0.091 ms

That's 0.091 milliseconds (0.000091 seconds).


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