Re: division by zero
От | Bruce Momjian |
---|---|
Тема | Re: division by zero |
Дата | |
Msg-id | 200303071934.h27JYZX15662@candle.pha.pa.us обсуждение исходный текст |
Ответ на | division by zero (Eric B.Ridge <ebr@tcdi.com>) |
Список | pgsql-general |
I think this caused by floating point signals being reported by the OS, while integer operations don't have signals. I suppose we could catch the divide by zero easily. Folks? --------------------------------------------------------------------------- Eric B.Ridge wrote: > I admit, I suck at math, but I really thought postgres would ERROR on > this: > > foo=# select 1/0; > ?column? > ---------- > 0 > (1 row) > > More surprising is that this does ERROR: > foo=# select 1/0.0; > ERROR: division by zero on numeric > > Is this a bug, or do I need to go back to high school algebra? "Both" > is an acceptable answer. :) > > eric > > > ---------------------------(end of broadcast)--------------------------- > TIP 3: if posting/reading through Usenet, please send an appropriate > subscribe-nomail command to majordomo@postgresql.org so that your > message can get through to the mailing list cleanly > -- 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, Pennsylvania 19073
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