Re: btree.sgml typo?

>> On Sat, Jan 5, 2019 at 1:35 AM Tatsuo Ishii <ishii(at)sraoss(dot)co(dot)jp> wrote:
>>> <productname>PostgreSQL</productname> includes an implementation of the
>>> standard <acronym>btree</acronym> (multi-way binary tree) index data
>>> structure.
>>>
>>> I think the term "btree" here means "multi-way balanced tree", rather
>>> than "multi-way binary tree". In fact in our btree, there could be
>>> more than one key in a node. Patch attached.
>>
>> +1 for applying this patch. The existing wording is highly confusing,
>> especially because many people already incorrectly think that a B-Tree
>> is just like a self-balancing binary search tree.
>>
>> There is no consensus on exactly what the "b" actually stands for, but
>> it's definitely not "binary". I suppose that the original author meant
>> that a B-Tree is a generalization of a binary tree, which is basically
>> true -- though that's a very academic point.
>
> Any objection for this? If not, I will commit the patch to master and
> REL_11_STABLE branches (btree.sgml first appeared in PostgreSQL 11).

Done.

Best regards,
--
Tatsuo Ishii
SRA OSS, Inc. Japan
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