Re: Postgres 11 release notes
От | Andrew Dunstan |
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Тема | Re: Postgres 11 release notes |
Дата | |
Msg-id | 6a28a9c2-d1aa-966c-e1f4-848750de2189@2ndQuadrant.com обсуждение исходный текст |
Ответ на | Re: Postgres 11 release notes (Bruce Momjian <bruce@momjian.us>) |
Ответы |
Re: Postgres 11 release notes
|
Список | pgsql-hackers |
On 05/12/2018 08:47 PM, Bruce Momjian wrote: > On Sat, May 12, 2018 at 01:22:55PM -0700, Peter Geoghegan wrote: >> On Fri, May 11, 2018 at 2:06 PM, Bruce Momjian <bruce@momjian.us> wrote: >>> Done and URL updated. >> I have some feedback on "Allow NOT NULL to be added to columns without >> requiring a table rewrite". I suggest that this be phrased as "Avoid a >> table rewrite when ALTER TABLE ADD COLUMN sets a default value for a >> column". Referencing the fact that Postgres was previously able to do >> this with a NULL default doesn't seem to add anything. > Agreed, done: > > Allow <command>ALTER TABLE</command> to add a non-null default > column without a table rewrite (Andrew Dunstan, Serge Rielau) > I think "a column with a non-null default" would be a bit clearer than "a non-null default column". cheers andrew -- Andrew Dunstan https://www.2ndQuadrant.com PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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