Re: [GENERAL] Retrieving query results
От | Igor Korot |
---|---|
Тема | Re: [GENERAL] Retrieving query results |
Дата | |
Msg-id | CA+FnnTzmmm6Ck=MfbJAWTUon3+yuazVAbs-Pakf4tUCFevB-0Q@mail.gmail.com обсуждение исходный текст |
Ответ на | [GENERAL] Retrieving query results (Igor Korot <ikorot01@gmail.com>) |
Список | pgsql-general |
Hi, Michael, On Tue, Aug 22, 2017 at 8:32 PM, Michael Paquier <michael.paquier@gmail.com> wrote: > On Wed, Aug 23, 2017 at 3:19 AM, Igor Korot <ikorot01@gmail.com> wrote: >> [quote] >> PQntuples >> >> Returns the number of rows (tuples) in the query result. Because it >> returns an integer result, large result sets might overflow the return >> value on 32-bit operating systems. >> >> int PQntuples(const PGresult *res); >> [/quote] >> >> Is there another way to not to overflow the result? > > Not really with the existing API. What do you mean "not really" > Note that getting at 2 billion rows > is really a lot, and would cause performance issues on the application > side because a bunch of data would need to be processed, and getting > out this much data is not network-wise anyway. That's OK, As long as my program works with arbitrary number of rows. Thank you. > -- > Michael
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