On Fri, Aug 23, 2013 at 06:41:04PM +0530, Amit Kapila wrote: > > Not with this proposal... If it's fixed then it makes no sense to make it > > look like it can be modified. > > This proposal is to have a special include which user can only use > for enable/disable > which means he can remove symbol '#' or add '#'. > We cannot stop user from changing file name or add some different > location, but that can lead to problems. > We can have a note on top of this include indicating it is only for > enable/disable.
Note, my whole purpose for suggesting something like: include_auto_conf_file postgresql.auto.conf is because I want the file location to be configurable. If I put in my configuration: include_auto_conf_file /etc/postgresql/9.4/postgresql.auto.conf it better put the options there. And if I comment the line out ALTER SYSTEM should stop working. If I put it at the beginning of the config then any other option in the file will override it (which we can detect and warn about). If I put it at the end of the file, ALTER SYSTEM overrides any statically configured options. And I can imagine hosting providers putting the configuration for memory usage, shared library directories and other such options after, and options like cpu_cost, enable_merge_join, etc before. That way they have fine grained control over which options the user can set and which not. > I think if we add more meaning to it, like allow user to change it, > handling and defining of that will be bit complex. Letting the user configure the location seems like common curtesy. Note this line isn't in itself a GUC, so you can't configure it via ALTER SYSTEM. Have a nice day, -- Martijn van Oosterhout <klep...@svana.org> http://svana.org/kleptog/ > He who writes carelessly confesses thereby at the very outset that he does > not attach much importance to his own thoughts. -- Arthur Schopenhauer
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