Re: Semantics of pg_file_settings view

On Fri, Jun 26, 2015 at 4:02 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Combining this with my idea about preserving the ConfigVariable list,
> I'm thinking that it would be a good idea for ProcessConfigFile() to
> run in a context created for the purpose of processing the config files,
> rather than blindly using the caller's context, which is likely to be
> a process-lifespan context and thus not a good place to leak in.
> We could keep this context around until the next SIGHUP event, so that
> the ConfigVariable list remains available, and then destroy it and
> replace it with the next ProcessConfigFile's instance of the context.
> In this way, any leakage in the processing code could not accumulate
> over multiple SIGHUPs, and so it would be certain to remain fairly
> negligible.

That seems like a nice idea.

--
Robert Haas
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