From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
---|---|
To: | Stephen Frost <sfrost(at)snowman(dot)net> |
Cc: | Peter Eisentraut <peter_e(at)gmx(dot)net>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Sehrope Sarkuni <sehrope(at)jackdb(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Materialized views don't show up in information_schema |
Date: | 2014-10-29 17:37:00 |
Message-ID: | CA+Tgmoa=XaiCdwQyP7FjMEcp9pt43yEerFd3nFO7+EwPfh8qhw@mail.gmail.com |
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On Wed, Oct 29, 2014 at 1:26 PM, Stephen Frost <sfrost(at)snowman(dot)net> wrote:
> I agree with this, certainly, but these are not considerations that the
> SQL spec takes into account. I've always found it odd of the spec to
> avoid these considerations and concerns, but it is the spec and it's
> viewpoint that we're discussing.
I don't think you can fairly infer anything about how an object not
covered by the spec should be displayed in a spec-compliant view.
>> Trying to say that it's the same kind of an object as something that
>> has neither seems really odd. The overlap between the operations you
>> can do on a materialized view and those you can do on a view is really
>> pretty small.
>
> ... That overlap is exactly the set that you can do on *just* a view,
> no? That's what I was driving towards anyway.
No. Materialized views don't have column defaults, and marking them
security_barrier does nothing.
>> You wouldn't expect to find "butter" and "peanut butter" in the same
>> aisle at the supermarket....
>
> No, though they are both spreadable and tasty. :)
Sir, you are a gentleman and a scholar.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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