Re: floor function in 7.3b2
От | Bruce Momjian |
---|---|
Тема | Re: floor function in 7.3b2 |
Дата | |
Msg-id | 200210040226.g942QUi26102@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: floor function in 7.3b2 (Tom Lane <tgl@sss.pgh.pa.us>) |
Список | pgsql-hackers |
Added to TODO: * Add floor(float8) and other missing functions --------------------------------------------------------------------------- Tom Lane wrote: > "Mario Weilguni" <mario.weilguni@icomedias.com> writes: > > I noticed that some of my queries don't work anymore because they're using > > the floor function: > > e.g.: select type, floor(date_part('epoch', dataend)) as ts from > > last_modified > > Why is floor not working anymore? > > Mph. Seems we have floor(numeric) but not floor(float8), and the latter > is what you need here. > > You could cast date_part's result to numeric; or perhaps you could use > trunc() which exists in both numeric and float8 flavors. It's got > different semantics for negative inputs though. > > For 7.4 we should take another look at the operator/function set and > fill in this hole and any others like it. > > regards, tom lane > > ---------------------------(end of broadcast)--------------------------- > TIP 1: subscribe and unsubscribe commands go to majordomo@postgresql.org > -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 359-1001+ If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania19073
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