Re: numeric hierarchy again (was Re: floor function in 7.3b2)
| От | Bruce Momjian |
|---|---|
| Тема | Re: numeric hierarchy again (was Re: floor function in 7.3b2) |
| Дата | |
| Msg-id | 200210041745.g94Hjw426805@candle.pha.pa.us обсуждение исходный текст |
| Ответ на | Re: numeric hierarchy again (was Re: floor function in 7.3b2) (Tom Lane <tgl@sss.pgh.pa.us>) |
| Ответы |
Re: numeric hierarchy again (was Re: floor function in 7.3b2)
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| Список | pgsql-hackers |
Tom Lane wrote: > Bruce Momjian <pgman@candle.pha.pa.us> writes: > > Do we know that defaulting floating constants will not be a performance > > hit? > > Uh ... what's your concern exactly? The datatype coercion (if any) will > happen once at parse time, not at runtime. Yes, I realize it is during parsing. I was just wondering if making constants coming in from the parser NUMERIC is a performance hit? I see in gram.y that FCONST comes in as a Float so I don't even see were we make it NUMERIC. -- 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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