Обсуждение: function difference not found

Поиск
Список
Период
Сортировка

function difference not found

От
Shaozhong SHI
Дата:
Function difference not found.

Should an extension created for finding it?

Regards, 

David

Re: function difference not found

От
Adrian Klaver
Дата:
On 11/25/21 08:12, Shaozhong SHI wrote:
> Function difference not found.

This means what?

> 
> Should an extension created for finding it?

Finding what?

Questions without substance will not get answers.

> 
> Regards,
> 
> David


-- 
Adrian Klaver
adrian.klaver@aklaver.com



Re: function difference not found

От
Achilleas Mantzios
Дата:
On 25/11/21 6:12 μ.μ., Shaozhong SHI wrote:
> Function difference not found.
>
> Should an extension created for finding it?
fuzzystrmatch
>
> Regards,
>
> David


-- 
Achilleas Mantzios
DBA, Analyst, IT Lead
IT DEPT
Dynacom Tankers Mgmt




Re: function difference not found

От
"David G. Johnston"
Дата:

On Thu, Nov 25, 2021 at 9:13 AM Shaozhong SHI <shishaozhong@gmail.com> wrote:
Function difference not found.

Should an extension created for finding it?


It's an operator (there may be a backing function that isn't documented)...

SELECT 5 - 2; -- yields 3, the difference of 5 and 2.

David J.

Re: function difference not found

От
Osvaldo Kussama
Дата:
2021-11-25 13:12 GMT-03:00, Shaozhong SHI <shishaozhong@gmail.com>:
> Function difference not found.
>
> Should an extension created for finding it?
>

Perhaps you are talking about EXCEPT set operator?
https://www.postgresql.org/docs/current/queries-union.html