Re: Proposition for autoname columns
От | Andrew Dunstan |
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Тема | Re: Proposition for autoname columns |
Дата | |
Msg-id | 9e6765a2-4908-f77f-e63f-0eee3882a482@dunslane.net обсуждение исходный текст |
Ответ на | Re: Proposition for autoname columns ("David G. Johnston" <david.g.johnston@gmail.com>) |
Ответы |
Re: Proposition for autoname columns
Re: Proposition for autoname columns |
Список | pgsql-hackers |
On 11/12/20 11:12 AM, David G. Johnston wrote: > On Thu, Nov 12, 2020 at 8:59 AM Andrew Dunstan <andrew@dunslane.net > <mailto:andrew@dunslane.net>> wrote: > > > > So if we then say: > > > select x, j->>x from mytable; > > > you want both result columns named x? That seems like a recipe for > serious confusion. I really don't think this proposal has been > properly > thought through. > > > IMO It no worse than today's: > > select count(*), count(*) from (values (1), (2)) vals (v); > count | count > 2 | 2 > I guess the difference here is that there's an extra level of indirection. So select x, j->>'x', j->>x from mytable would have 3 result columns all named x. cheers andrew
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