Re: [HACKERS] Binary cursor header changed from 20 to 16 Bytes?
От | G. Anthony Reina |
---|---|
Тема | Re: [HACKERS] Binary cursor header changed from 20 to 16 Bytes? |
Дата | |
Msg-id | 37A5BBE6.41EC1D51@nsi.edu обсуждение исходный текст |
Ответы |
Re: [HACKERS] Binary cursor header changed from 20 to 16 Bytes?
Re: [HACKERS] Binary cursor header changed from 20 to 16 Bytes? |
Список | pgsql-hackers |
Tom Lane wrote: > There is *no* header overhead for binary data as far as libpq or the > FE/BE protocol is concerned; what you get from PQgetvalue() is just > a pointer to whatever the backend's internal representation of the > data type is. It's certainly possible for particular data types to > change representation from time to time, though I didn't recall anyone > planning such a thing for 6.5. What data type is the column you're > retrieving, anyway? (I'm guessing float4 array, perhaps?) What kind > of platform is the backend running on? > > regards, tom lane Right on the money. The column being retrieved is a float4 array. I am running the backend on a Red Hat Linux 6.0 machine (Pentium II / 400 MHz / 512 Meg RAM / 128 Meg Shared buffers). The clients are all SGI machines (O2, Impact, and Indy). -Tony
В списке pgsql-hackers по дате отправления: