Re: Idea about better configuration options for sort memory

Tom Lane wrote:
> After looking at the code a bit, I think the simplest solution is for
> find_option to look in a separate mapping table (mapping from old to new
> option name) if it doesn't find the given name in the main table.  This
> would make lookup of "old" names a shade slower than "preferred" names,
> but that doesn't seem like a problem.
> 
> With this approach, old GUC names would be recognized in SHOW and SET
> commands, as well as the other ways you can set a variable by name
> (postgresql.conf, ALTER USER SET, etc).  But only the new names would
> appear in SHOW ALL or the pg_settings view.  Does that seem OK?

Sounds good.  The idea that we can keep the names constant seems to be a
losing proposal.

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