Re: text -> time cast problem
От | Bruce Momjian |
---|---|
Тема | Re: text -> time cast problem |
Дата | |
Msg-id | 200112290510.fBT5AC614865@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: text -> time cast problem (Thomas Lockhart <lockhart@fourpalms.org>) |
Список | pgsql-hackers |
> > > This seems fair. Would this approach imply that CURRENT_TIME and > > > CURRENT_TIMESTAMP should not apply default precision to their return > > > values? Right now, "CURRENT_TIME" is equivalent to "CURRENT_TIME(0)" > > > and "CURRENT_TIMESTAMP" eq to "CURRENT_TIMESTAMP(6)". > > Yes, I had been thinking that myself, but hadn't got round to mentioning > > it to the list yet. (Even if you do accept default precisions for time > > & timestamp columns, I can see nothing in the spec that justifies > > applying those default precisions to CURRENT_TIME/TIMESTAMP. AFAICS, > > the precision of their results when they are given no argument is > > just plain not specified.) > > I'll shift the default precisions of CURRENT_TIME to match that of > CURRENT_TIMESTAMP, which is currently six (6). As you might know, 7.2 > has sub-second system time available, which was not true in previous > releases. But that time is only good to microseconds, so the six digits > of precision is a good match for that. Is this all resolved? -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 853-3000+ If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania19026
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