On Thursday 09 April 2009 02:24:53 Tom Lane wrote:
> Peter Eisentraut <pete...@gmx.net> writes:
> > What is the purpose of fmgrtab anyway?
>
> It's so we can find the addresses of "internal" functions to call them.

Ah yes of course.  But then the table can just as well be built by something 
based on rgrep PG_FUNCTION_ARGS src/backend or something like that.  Which of 
course wasn't possible 10 years ago.

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