Re: [patch] [doc] Clarify that signal functions have no feedback

On 2020-10-13 00:43, David G. Johnston wrote:
> Over in Bug# 16652 [1] Christoph failed to recognize the fact that 
> signal sending functions are inherently one-way just as signals are.  It 
> seems worth heading off this situation in the future by making it clear 
> how signals behave and, in the specific case of pg_reload_conf, that the 
> important feedback one would hope to get out of a success/failure 
> response from the function call must instead be found in other locations.

I agree that the documentation could be improved here.  But I don't see 
how the added advice actually helps in practice.  How can you detect 
reload errors by inspecting pg_settings etc.?

-- 
Peter Eisentraut              http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services