Re: bitwise and/or aggregate functions?
От | Bruce Momjian |
---|---|
Тема | Re: bitwise and/or aggregate functions? |
Дата | |
Msg-id | 200405190116.i4J1GDD01435@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: bitwise and/or aggregate functions? (Tom Lane <tgl@sss.pgh.pa.us>) |
Список | pgsql-hackers |
Tom Lane wrote: > Neil Conway <neilc@samurai.com> writes: > > Fabien COELHO wrote: > >> Neil - can you check your SQL2003 copy to see if it mentions standard > >> aggregates on bit types? > > > I couldn't see any mention of any aggregates specific to the bit types, > > There certainly are none, since in fact SQL2003 removes the BIT types > entirely. See Annex E: > > 2) ISO/IEC 9075-2:1999 defined data types called BIT and BIT VARYING. > These data types have been deleted from this edition of ISO/IEC 9075. Understand. To me, allowing bitwise and boolean aggregates on a column seemed like a natural capability we should have. -- 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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