On Wed, Apr 4, 2012 at 12:47 PM, Jon Nelson <jnelson+pg...@jamponi.net> wrote:
> On Wed, Apr 4, 2012 at 11:22 AM, Thomas Kellerer <spam_ea...@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?

it's trivial:

create view stuff as select * from function();

it's less trivial if you need to pass arguments to the function, but
can be doable depending.

merlin

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