Re: views, queries, and locks - Mailing list pgsql-general

From Jon Nelson
Subject Re: views, queries, and locks
Date
Msg-id CAKuK5J071HP9uN1EG4zRc-EByL5KA=JJfeB7UsmSs9r_CHevYw@mail.gmail.com
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In response to Re: views, queries, and locks  (Thomas Kellerer <spam_eater@gmx.net>)
Responses Re: views, queries, and locks
Re: views, queries, and locks
List pgsql-general
On Wed, Apr 4, 2012 at 11:22 AM, Thomas Kellerer <spam_eater@gmx.net> wrote:
> Jon Nelson wrote on 04.04.2012 15:50:
>
>> I need to have something table-like from the client's perspective for
>> a bunch of reasons.
>> For now, assume that I want to keep using the view and that I'd like
>> to find better ways to address my concerns.
>
>
> What about a set-returning function that builds the query dynamically and
> wrapping that into a view?
>
> That way the view would never change and client would still have the
> perspective of a view/table
>
> Your function could pick up the changes automatically e.g. by looking at
> information_schema.tables

That sounds pretty cool, but that is beyond my understanding.
I can write a set-returning function easily enough (call it
build_the_huge_table for "clarity"), but the  "wrap that into a view"
part throws me.
Could you give me an example?


--
Jon

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