Re: [HACKERS] psql nested queries with 2000+ records
От | Coronach |
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Тема | Re: [HACKERS] psql nested queries with 2000+ records |
Дата | |
Msg-id | 3.0.5.32.19980321011207.007eb100@diety.conclave.org обсуждение исходный текст |
Ответ на | Re: [HACKERS] psql nested queries with 2000+ records (Bruce Momjian <maillist@candle.pha.pa.us>) |
Ответы |
Re: [HACKERS] psql nested queries with 2000+ records
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Список | pgsql-hackers |
>select * into games2 from games; amusements=> select * into games2 from games; ERROR: parser: parse error at or near "games2" But, I just dumped it and changed a few things to fit the scenario... >explain select name from games where name in (select name from games2 where >name like 'A%'); amusements=> explain select name from games where name in (select name from game s2 where name like 'A%'); NOTICE: QUERY PLAN: Seq Scan on games (cost=207.95 size=446 width=12) SubPlan -> Seq Scan on games2 (cost=10.23 size=1 width=12) EXPLAIN Upon execution of the query, it still took quite a long time. >causing the problem. I assume you have run vacuum and vacuum analyze. Yep, ran vacuum on it and also had it work with newly generated databases too. Any other suggestions would be welcome, thanks -Coronach@hill-b-073.resnet.purdue.edu
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