Re: Reading from a REFCURSOR in a C language function - Mailing list pgsql-hackers

From Vlad Arkhipov
Subject Re: Reading from a REFCURSOR in a C language function
Date
Msg-id 4D9BFA9A.2050200@dc.baikal.ru
Whole thread Raw
In response to Re: Reading from a REFCURSOR in a C language function  (Jan Wieck <JanWieck@Yahoo.com>)
List 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.


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