Re: Streaming Replication on win32

On 01/21/2010 11:19 PM, Heikki Linnakangas wrote:
> Joe Conway wrote:
>> OK, so now I see why we want this fixed for dblink and walreceiver, but
>> doesn't this approach leave every other WIN32 libpq client out in the
>> cold? Is there nothing that can be done for the general case, or is it a
>> SMOP?
>
> The problem only applies to libpq calls from the backend. Client apps
> are not affected, only backend modules. If there's any other modules out
> there that use libpq, then yes, those have a problem too.

Sorry for being thick -- I'm still missing something. I don't understand
why any user program using libpq/PQexec running on Windows does not have
the same issue. Or to put it another way, why does this only apply to
libpq calls from backend modules?

> A generic fix would be nice. Putting the wrapper functions in a new
> header file that's included in all backend modules that want to use
> libpq would work. Maybe the new header file could even be #included from
> libpq-fe.h, when compiling backend code (#ifndef FRONTEND), so you
> wouldn't need to modify dblink, walreceiver, or any 3rd party modules
> that use libpq at all.

I'll go ahead and do this if there is consensus for it.

Joe