From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
---|---|
To: | Hannu Krosing <hannu(at)tm(dot)ee> |
Cc: | "Robert B(dot) Easter" <reaster(at)comptechnews(dot)com>, Peter Eisentraut <peter_e(at)gmx(dot)net>, Paul Govereau <pgoverea(at)akamai(dot)com>, pgsql-docs(at)postgresql(dot)org, pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: [HACKERS] Re: Inheritance docs error. |
Date: | 2001-01-03 16:40:43 |
Message-ID: | 16435.978540043@sss.pgh.pa.us |
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Lists: | pgsql-docs pgsql-hackers |
Hannu Krosing <hannu(at)tm(dot)ee> writes:
> Tom Lane wrote:
> > <table contents source> ::=
> > <table element list>
> > | OF <user-defined type>
> > [ <subtable clause> ]
> > [ <table element list> ]
>
> to me it seems that only this is OR-d : <table element list> | OF
> <user-defined type>
> and the rest ([ <subtable clause> ],[ <table element list> ])is just
> optional
The grammar is less than perfectly clear, isn't it? But that reading
just doesn't make any sense, because it would allow <table contents
source> to be (among other things) <table element list> <table element list>
which I am sure is not what they intend. The last line has to be part
of the second alternative, it seems to me, and therefore the
next-to-last line is too.
regards, tom lane
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