Re: [GENERAL] Expensive query
| От | Christophe Pettus |
|---|---|
| Тема | Re: [GENERAL] Expensive query |
| Дата | |
| Msg-id | 4.1.19981030151737.00a1c920@exchange.postdirect.com обсуждение исходный текст |
| Ответ на | Expensive query (Christophe Pettus <pettus@postdirect.com>) |
| Ответы |
Re: [GENERAL] Expensive query
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| Список | pgsql-general |
At 02:13 PM 10/30/98 , you wrote: > That users table looks kinda useless. I'd recommend changing id >to name and making id an int, then putting your events users in as ints. >Currently, it doesn't do anything at all, and you might as well be doing >this query [...] Actually, the real-life 'users' table has lots of fields, none of them relevant to the question at hand. > I would also recommend not making code a char(10). If you put an >index on code and an index on date, you should be able to get your results >pretty quick. They are indexed. Using ints is not unreasonable, but does not explain the pathological behavior.
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