Re: Capacity questions
От | Bill House |
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Тема | Re: Capacity questions |
Дата | |
Msg-id | 4FDE1DC0.4070500@house-grp.net обсуждение исходный текст |
Ответ на | Re: Capacity questions (Daniele Varrazzo <daniele.varrazzo@gmail.com>) |
Ответы |
Re: Capacity questions
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Список | psycopg |
On 06/17/2012 01:02 PM, Daniele Varrazzo wrote: > On Sun, Jun 17, 2012 at 4:32 PM, Bill House <wch-tech@house-grp.net> wrote: > >> I have a written a script which does what I want it to do on a table >> with 999 records. >> >> I was wondering if there is anything I need to consider if I run this >> script on a table with 1.1 million records? > It looks fine for me. The only note is that, I may be wrong, but > "UPDATE %s SET del = False" updates the records having del already > false too, taking more time and creating unnecessary bloat. Adding > "WHERE del" may help keeping the bloat to the minimum. > > -- Daniele > > You are referring to the first SQL command, and you are correct. And on a table this size, time is a consideration; even if it is a one-time task. Thanks very much. Regards, Bill
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