Re: proposal: numeric scale functions

Поиск
Список
Период
Сортировка
От Peter Eisentraut
Тема Re: proposal: numeric scale functions
Дата
Msg-id 56434876.8070307@gmx.net
обсуждение исходный текст
Ответ на proposal: numeric scale functions  (Marko Tiikkaja <marko@joh.to>)
Список pgsql-hackers
On 11/11/15 5:03 AM, Marko Tiikkaja wrote:
> Dealing with "numeric"s right now in cases where it's really important
> that the scale is correct is quite painful.  For example, if I want to
> accept a EUR amount as an input, I often want to reject values such as
> '21.413', but I'd be fine with e.g. '21.410000'.  My suggestion is to
> add two functions: one to return the number of decimal places in a
> numeric, and another one to remove non-significant decimal places.

I can see both of these being useful, but the terminology is not
correct.  The trailing zeroes are "significant".  Maybe the function
could be called "trim", in analogy to trimming whitespace off strings.




В списке pgsql-hackers по дате отправления:

Предыдущее
От: Craig Ringer
Дата:
Сообщение: Re: can we add SKIP LOCKED to UPDATE?
Следующее
От: Michael Paquier
Дата:
Сообщение: Re: proposal: multiple psql option -c