Re: PostgreSQL 16 release announcement draft
От | Jonathan S. Katz |
---|---|
Тема | Re: PostgreSQL 16 release announcement draft |
Дата | |
Msg-id | 8cdb760c-2d15-bfde-9a44-fe58e28b05c1@postgresql.org обсуждение исходный текст |
Ответ на | Re: PostgreSQL 16 release announcement draft (David Rowley <dgrowleyml@gmail.com>) |
Ответы |
Re: PostgreSQL 16 release announcement draft
Re: PostgreSQL 16 release announcement draft Re: PostgreSQL 16 release announcement draft |
Список | pgsql-hackers |
On 8/23/23 5:07 PM, David Rowley wrote: > On Thu, 24 Aug 2023 at 05:55, Jonathan S. Katz <jkatz@postgresql.org> wrote: >> We could add something about 1349d2790 -- do you have suggested wording? > > I think it's worth a mention. See the text added in square brackets below: > > PostgreSQL 16 improves the performance of existing PostgreSQL functionality > through new query planner optimizations. In this latest release, the query > planner can parallelize `FULL` and `RIGHT` joins, [generate more > optimal plans for > queries containing aggregate functions with a `DISTINCT` or `ORDER BY` clause,] > utilize incremental sorts for `SELECT DISTINCT` queries, and optimize > window function > executions so they execute more efficiently. It also introduces > `RIGHT` and `OUTER` > "anti-joins", which enable users to identify rows not present in a joined table. I added this in mostly verbatim. I'm concerned the sentence is a bit long, but we could break it up into two: (1) with the new JOIN capabilities and (2) with the optimizations. Jonathan
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