Re: New version of money type
От | Jim C. Nasby |
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Тема | Re: New version of money type |
Дата | |
Msg-id | 20060916212754.GF38854@enterprisedb.com обсуждение исходный текст |
Ответ на | Re: New version of money type ("D'Arcy J.M. Cain" <darcy@druid.net>) |
Ответы |
Re: New version of money type
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Список | pgsql-hackers |
On Thu, Sep 14, 2006 at 11:12:14AM -0400, D'Arcy J.M. Cain wrote: > The benefit of the money type is speed. Because internal operations > are done on integers they can generally be handled by single CPU ops. > My tests on the 64 bit version show 10% to 25% improvement over numeric > for many operations. Has anyone looked at changing numeric so that for numbers with less than 9 digits it stores/uses an int, and for between 10 and 18 digits it uses a bigint? Perhaps that would net every numeric user a speed improvement. -- Jim Nasby jim@nasby.net EnterpriseDB http://enterprisedb.com 512.569.9461 (cell)
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