| From: | "Heikki Linnakangas" <heikki(at)enterprisedb(dot)com> |
|---|---|
| To: | "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | "Brendan O'Shea" <boshea(at)akamai(dot)com>, <pgsql-bugs(at)postgresql(dot)org> |
| Subject: | Re: BUG #4350: 'select' acess given to views containing "union all" even though user has no grants |
| Date: | 2008-08-12 18:30:55 |
| Message-ID: | 48A1D6DF.1020403@enterprisedb.com |
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| Thread: | |
| Lists: | pgsql-bugs |
Heikki Linnakangas wrote:
> Tom Lane wrote:
>> Seriously, I think what this shows is that piecemeal pullup is wrong in
>> principle, and that the right approach is always to concat the
>> subquery's rtable in toto to the upper level, and then go from there on
>> adjusting varnos. Do you want to look into that approach?
>
> You mean like pull_up_simple_subquery() does? Yeah, I can try that. This
> isn't really something I'm familiar with, but it's great exercise :-).
Here we go. Now that I see it, I do like this approach better.
--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com
| Attachment | Content-Type | Size |
|---|---|---|
| fix-union-all-view-perm-3.patch | text/x-diff | 5.8 KB |
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