Re: reg:lseek&read ..pls

Поиск
Список
Период
Сортировка
Искать
От
Tom Lane
Тема
Re: reg:lseek&read ..pls
Дата
Msg-id
9691.1135611507@sss.pgh.pa.us
Ответ на
Список
Дерево обсуждения
reg:lseek&read ..pls "sandhya" <sandhyar@amiindia.co.in>
Re: reg:lseek&read ..pls Tom Lane <tgl@sss.pgh.pa.us>
"sandhya"  writes:
> But before that i need to know the size of the object from which i am =
> trying to get the contents.
> How can i do this?

Same way you'd do it for a Unix file: seek to the end, note the end
offset, seek back to the start and read.

	... lo_open ...
	lo_size = lo_lseek(conn, fd, 0, SEEK_END);  // where's the end?
	lo_lseek(conn, fd, 0, SEEK_SET);  // go back to start

			regards, tom lane
В списке pgsql-admin по дате отправления
От: Alain Rodriguez Arias
Дата:
Сообщение: Re: lo_ functions
От: Tom Lane
Дата:
FAQ