Re: [GENERAL] Limitation
От | Bruce Momjian |
---|---|
Тема | Re: [GENERAL] Limitation |
Дата | |
Msg-id | 199906242256.SAA28508@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: [GENERAL] Limitation ("John Huttley" <john@mwk.co.nz>) |
Список | pgsql-general |
[Charset iso-8859-1 unsupported, filtering to ASCII...] > The answer is that you are thinking as indexes in the context of fast lookup > on fields. > > However my requirement comes from a need to ensure that every single field > in the > table forms a unique combination. (not my design, I might add) Ooow, that is a good point. Unique requires a unique index. > > Now you know why, can you append it to the TODO list? Can I get someone else to agree it should be added? > > On thinking about it, I wonder if the same field can appear more than > once in an index. Now that would be weird! I bet it can. -- Bruce Momjian | http://www.op.net/~candle maillist@candle.pha.pa.us | (610) 853-3000 + If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania 19026
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