Re: release notes: tids & self-joins
От | David Rowley |
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Тема | Re: release notes: tids & self-joins |
Дата | |
Msg-id | CAKJS1f88y0a_=0tujXH7Fq-G15cWLe2dWqEm8F-WbsPRKP3RGg@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: release notes: tids & self-joins (Tom Lane <tgl@sss.pgh.pa.us>) |
Ответы |
Re: release notes: tids & self-joins
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Список | pgsql-hackers |
On Fri, 14 Jun 2019 at 05:22, Tom Lane <tgl@sss.pgh.pa.us> wrote: > > Robert Haas <robertmhaas@gmail.com> writes: > > So I think that this should probably be changed to say something like > > "Improve optimization of self-joins on ctid columns" or "Improve > > optimization of joins involving columns of type tid." > > The latter seems fine to me. The latter seems a bit inaccurate to me given the fact that a column with the type tid could exist elsewhere in the table. Perhaps "columns of type tid" can be swapped with "a table's ctid column". -- David Rowley http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services
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