Re: Limit clause not using index
| От | Bricklen Anderson |
|---|---|
| Тема | Re: Limit clause not using index |
| Дата | |
| Msg-id | 42B826E2.5080802@PresiNET.com обсуждение исходный текст |
| Ответ на | Limit clause not using index (Yves Vindevogel <yves.vindevogel@implements.be>) |
| Список | pgsql-performance |
Yves Vindevogel wrote: > Hi, > > rvponp=# explain select * from tblprintjobs order by loginuser, > desceventdate, desceventtime offset 25 limit 25 ; > > I have a very simple query on a big table. When I issue a "limit" > and/or "offset" clause, the query is not using the index. > Can anyone explain me this ? Do you have an index on (loginuser,desceventdate,desceventtime)? -- _______________________________ This e-mail may be privileged and/or confidential, and the sender does not waive any related rights and obligations. Any distribution, use or copying of this e-mail or the information it contains by other than an intended recipient is unauthorized. If you received this e-mail in error, please advise me (by return e-mail or otherwise) immediately. _______________________________
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