Re: [SQL] line datatype

Поиск
Список
Период
Сортировка
От Thomas Lockhart
Тема Re: [SQL] line datatype
Дата
Msg-id 3D348526.CC9594FD@fourpalms.org
обсуждение исходный текст
Ответ на Re: [SQL] line datatype  (Bruce Momjian <pgman@candle.pha.pa.us>)
Ответы Re: [SQL] line datatype  (Lamar Owen <lamar.owen@wgcr.org>)
Список pgsql-hackers
> >> No one likes entering an equation.  Two points seems the simplest.
> > That it does.
> On the other hand, if you want to enter two points why don't you just
> use lseg to begin with?  There's not much justification for having a
> separate line type unless it behaves differently ...

They are different. One is infinite in length, the other is finite.
Distances, etc are calculated differently between the two types.
                 - Thomas


В списке pgsql-hackers по дате отправления:

Предыдущее
От: Bruce Momjian
Дата:
Сообщение: Re: Issues Outstanding for Point In Time Recovery (PITR)
Следующее
От: Lamar Owen
Дата:
Сообщение: Re: [SQL] line datatype