Re: pg_depend

At 11:38 18/07/01 -0400, Tom Lane wrote:
>Philip Warner <pjw@rhyme.com.au> writes:
>> I think any deisgn needs to cater for attr dependencies. eg.
>
>I don't really see a need to recognize dependencies at finer than table
>level.  I'd just make the dependency be from view_a to a and keep things
>simple.  What's so wrong with recompiling the view for *every* change
>of the underlying table?
>

Not a problem for views, but when you get to constraints on large tables,
re-evaluating all the constraints unnecessarily could be a nightmare, and
especially frustrating when you just dropped an irrelevant attr.


----------------------------------------------------------------
Philip Warner                    |     __---_____
Albatross Consulting Pty. Ltd.   |----/       -  \
(A.B.N. 75 008 659 498)          |          /(@)   ______---_
Tel: (+61) 0500 83 82 81         |                 _________  \
Fax: (+61) 0500 83 82 82         |                 ___________ |
Http://www.rhyme.com.au          |                /           \|                                |    --________--
PGP key available upon request,  |  /
and from pgp5.ai.mit.edu:11371   |/