At 13:06 05/06/05, Tom Lane wrote:
K C Lau <[EMAIL PROTECTED]> writes:
> esdt=> explain analyze select DISTINCT ON (PlayerID) PlayerID,AtDate from
> Player
> where PlayerID='0' order by PlayerID desc, AtDate desc;
> Unique (cost=0.00..2507.66 rows=1 width=23) (actual time=0.000..187.000
K C Lau <[EMAIL PROTECTED]> writes:
> esdt=> explain analyze select DISTINCT ON (PlayerID) PlayerID,AtDate from
> Player
> where PlayerID='0' order by PlayerID desc, AtDate desc;
> Unique (cost=0.00..2507.66 rows=1 width=23) (actual time=0.000..187.000
> rows=1 loops=1)
> -> Index S
Hi All,
We are testing PostgreSQL 8.0.3 on MS Windows for porting an OLTP system
from MS SqlServer.
We got a major performance issue which seems to boil down to the following
type of query:
select DISTINCT ON (PlayerID) PlayerID,AtDate from Player where
PlayerID='0' order by PlayerID