Re: Integrating C++ singletons into postgresql extensions???

Stephen Woodbridge <woodbri@swoodbridge.com> writes:
> On 10/18/2014 5:38 AM, Andres Freund wrote:
>>> 3. What do for logging classes when integrating C++ code into postgresql?

>> I don't really know what you want to do here. My guess is that it'd be
>> most appropriate to map the logging onto postgres' internal
>> logging. That should easily be possible.

> Ahh, sorry this is just debug info that we write to stdout when we are
> testing and debug the code from the command line. There are some
> packages like log4cpp and log4cxx that provide objects that can be
> easily configure to change the output stream from stdout to a log file
> or turn it off completely.

FWIW, if you are using the logging collector (highly recommended), output
to a backend process's stdout or stderr will be caught and included in the
log, though it won't have a log_line_prefix.  This might be a usable
substitute for adapting your code.

            regards, tom lane