Re: Inheritance
От | Bruce Momjian |
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Тема | Re: Inheritance |
Дата | |
Msg-id | 200209031636.g83Gab320278@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: Inheritance (71022.733@compuserve.com (Peter Gulutzan)) |
Ответы |
Re: Inheritance
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Список | pgsql-hackers |
Peter Gulutzan wrote: > The August draft of the SQL:200n standard (9075-2 Foundation) says in > Section 4.17.2: "Every table constraint specified for base table T is > implicitly a constraint on every subtable of T, by virtue of the fact > that every row in a subtable is considered to have a corresponding > superrow in every one of its supertables." Yep, this is where we are stuck; having an index span multiple tables in some way. -- 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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