From: | "Tim Perdue" <perdue(at)raccoon(dot)com> |
---|---|
To: | <pgsql-sql(at)hub(dot)org> |
Subject: | Re: [SQL] Stuck on SQL - Any Takers? |
Date: | 1999-03-19 02:32:40 |
Message-ID: | 012e01be71b0$c2e20e10$0b8c5aa5@timnt.weather.net |
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Lists: | pgsql-sql |
I played with the query a little bit. In a nutshell, the performance is
nothing short of horrible. 27:01 CPU time and no results - not even one
record inserted into the new table.
The same query completes in 5 seconds on MS Access.
There must be a way to optimize my query so it runs in some sensible way on
postgres??
Tim
insert into tbl_ranked_teams2
SELECT
tbl_teams.fld_team_no,
tbl_athlete_stats_1.fld_total_points_ytd+
tbl_athlete_stats_2.fld_total_points_ytd+
tbl_athlete_stats_3.fld_total_points_ytd+
tbl_athlete_stats_4.fld_total_points_ytd+
tbl_athlete_stats_5.fld_total_points_ytd+
tbl_athlete_stats_6.fld_total_points_ytd+
tbl_athlete_stats_7.fld_total_points_ytd+
tbl_athlete_stats_8.fld_total_points_ytd+
tbl_athlete_stats_9.fld_total_points_ytd
FROM
tbl_athlete_stats tbl_athlete_stats_1,
tbl_athlete_stats tbl_athlete_stats_2,
tbl_athlete_stats tbl_athlete_stats_3,
tbl_athlete_stats tbl_athlete_stats_4,
tbl_athlete_stats tbl_athlete_stats_5,
tbl_athlete_stats tbl_athlete_stats_6,
tbl_athlete_stats tbl_athlete_stats_7,
tbl_athlete_stats tbl_athlete_stats_8,
tbl_athlete_stats tbl_athlete_stats_9
WHERE
tbl_athlete_stats_1.fld_player_number = tbl_teams.fld_athlete1 and
tbl_athlete_stats_2.fld_player_number = tbl_teams.fld_athlete2 and
tbl_athlete_stats_3.fld_player_number = tbl_teams.fld_athlete3 and
tbl_athlete_stats_4.fld_player_number = tbl_teams.fld_athlete4 and
tbl_athlete_stats_5.fld_player_number = tbl_teams.fld_athlete5 and
tbl_athlete_stats_6.fld_player_number = tbl_teams.fld_athlete6 and
tbl_athlete_stats_7.fld_player_number = tbl_teams.fld_athlete7 and
tbl_athlete_stats_8.fld_player_number = tbl_teams.fld_athlete8 and
tbl_athlete_stats_9.fld_player_number = tbl_teams.fld_athlete9;
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Next Message | twm139 | 1999-03-19 03:16:04 | Re: [SQL] Stuck on SQL - Any Takers? |
Previous Message | Matthew Diesch | 1999-03-19 00:58:43 | Re: [SQL] Stuck on SQL - Any Takers? |