Robert Haas <robertmh...@gmail.com> writes:
> On Fri, Oct 7, 2016 at 6:46 AM, Heikki Linnakangas <hlinn...@iki.fi> wrote:
>> Ouch. We should find and document an authoritative source for all the
>> mappings we have...
>>
>> I think the next steps here are:
>>
>> 1. Find an authoritative source for all the existing mappings.
>> 2. Generate the radix tree files directly from the authoritative sources,
>> instead of the existing *.map files.
>> 3. Completely replace the existing binary-search code with this.
> It might be best to convert using the existing map files, and then
> update the mappings later. Otherwise, when things break, you won't
> know what to blame.
I think I went through this exercise last year or so, and updated the
notes about the authoritative sources where I was able to find one.
In the remaining cases, I believe that the maps have been intentionally
tweaked and we should be cautious about undoing that. Tatsuo-san might
remember more about why they are the way they are.
regards, tom lane
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