Search Postgresql Archives

Re: Asynchronous queries with callbacks.

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



2011/1/5 Вячеслав Блинников <slavmfm@xxxxxxxxx>:
> I intended to put queries into queue (along with callback and param data)
> and after fetching each result via "PQgetResult()" obtain callback and param
> from the queue, but documentation says that "PQexec can return only one
> PGresult structure. If the submitted query string contains multiple SQL
> commands, all but the last PGresult are discarded by PQexec." so it is
> impossible to organize a queries queue because some queries will return more
> than one results and it will shift the "callbacks and params" queue.
> Is it possible to implement? Or there is only one way - send queries
> one-by-one?

I suggest you take a look at libpqxx's pipeline class.


-- 
Regards,
Peter Geoghegan

-- 
Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-general



[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Postgresql Jobs]     [Postgresql Admin]     [Postgresql Performance]     [Linux Clusters]     [PHP Home]     [PHP on Windows]     [Kernel Newbies]     [PHP Classes]     [PHP Books]     [PHP Databases]     [Postgresql & PHP]     [Yosemite]
  Powered by Linux