On 8/3/2004 11:38 PM, Greg Stark wrote:

"Scott Marlowe" <[EMAIL PROTECTED]> writes:

On Tue, 2004-08-03 at 13:05, CSN wrote:
> Just wondering, is updateable views slated for a
> future version of Postgresql? In addition to using
> rules that is.

I would think that a basic fleshing out of the logic with some kind of
stored proc to make the views and triggers would likely get someone
started on the backend work.  You know, a proof of concept thingy.

I have some fears here. It seems everyone's first thought when they think about updateable views is to think about constructing rules on the views.

How would that approach help with inline views? Things like:

UPDATE (SELECT a+b AS x, c AS y FROM foo) SET c=1 WHERE x = 10

There is no such thing as an "inline view". What you show here is a subselect, and I have not heard of "updatable subselects" yet. Could you point me to the section in the ANSI SQL specifications that describes this feature please?



Jan


It seems like starting with these types of views in the backend would be more productive than implementing something in rules. Once postgres can handle inline views it should be trivial to handle persistent views just like they're handled on selects.



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