Re: Reading from a REFCURSOR in a C language function

Поиск
Список
Период
Сортировка
От Vlad Arkhipov
Тема Re: Reading from a REFCURSOR in a C language function
Дата
Msg-id 4D9BFA9A.2050200@dc.baikal.ru
обсуждение исходный текст
Ответ на Re: Reading from a REFCURSOR in a C language function  (Jan Wieck <JanWieck@Yahoo.com>)
Список pgsql-hackers
06.04.2011 02:06, Jan Wieck wrote:
> On 4/5/2011 3:24 AM, Vlad Arkhipov wrote:
>> Hi,
>>
>> I'm trying to write a C language function that has a REFCURSOR argument.
>> Could anyone please give me an example of reading from a cursor in C 
>> code?
>>
>
> Sorry, I don't have a code example.
>
> A refcursor data type is basically a string, containing the name of an 
> open cursor (portal). It is stored binary compatible to the text data 
> type. In the C function, you extract that name (using the textout 
> function) and use it inside the FETCH query as the cursor name. You 
> may need to double-quote that string.
>
>
> Jan
>
Thanks for the hint. It works great.


В списке pgsql-hackers по дате отправления:

Предыдущее
От: Oleg Bartunov
Дата:
Сообщение: Re: GSoC proposal: Fast GiST index build
Следующее
От: Pavel Golub
Дата:
Сообщение: Re: Please review test report form