Re: two dates
От | Richard Huxton |
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Тема | Re: two dates |
Дата | |
Msg-id | 200303031209.36970.dev@archonet.com обсуждение исходный текст |
Ответ на | two dates (mixo <mixo@beth.uniforum.org.za>) |
Ответы |
Re: two dates
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Список | pgsql-sql |
On Tuesday 25 Feb 2003 6:55 am, mixo wrote: > I have a table which has serveral time stamps include when an entry was > 'created'. > Each entry is identified by a unique 'id'. How can I best find entries > created > between two dates without going through each day between the two dates? > > Currently, going through each day to get the results takes about 23 > minutes for 7 days > as I have two other criteria for search: roughly I am doing about > 16*17*n queries, > where n=days between two dates (for 7 days, 16*17*7 = which a number > that is > too big for my liking). What is wrong with SELECT id FROM foo WHERE created_date>='2003-01-01' AND created_date<='2003-01-07' or similar? I don't see why you need multiple queries, perhaps I have misunderstood -- Richard Huxton
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