| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Peter Gulutzan <71022(dot)733(at)compuserve(dot)com> |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Inheritance |
| Date: | 2002-09-03 16:36:37 |
| Message-ID: | 200209031636.g83Gab320278@candle.pha.pa.us |
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| Lists: | 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(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
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