From: | Philip Warner <pjw(at)rhyme(dot)com(dot)au> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Hiroshi Inoue <Inoue(at)tpf(dot)co(dot)jp>, Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>, Peter Eisentraut <peter_e(at)gmx(dot)net>, Alex Pilosov <alex(at)pilosoft(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: pg_depend |
Date: | 2001-07-18 15:43:10 |
Message-ID: | 3.0.5.32.20010719014310.02026940@mail.rhyme.com.au |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-hackers |
At 11:38 18/07/01 -0400, Tom Lane wrote:
>Philip Warner <pjw(at)rhyme(dot)com(dot)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 |/
From | Date | Subject | |
---|---|---|---|
Next Message | Tom Lane | 2001-07-18 15:44:53 | Re: Full Text Indexing |
Previous Message | Tom Lane | 2001-07-18 15:38:24 | Re: pg_depend |