| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Noah Misch <noah(at)leadboat(dot)com> |
| Cc: | Richard Guo <guofenglinux(at)gmail(dot)com>, Thom Brown <thom(at)linux(dot)com>, Jacob Brazeal <jacob(dot)brazeal(at)gmail(dot)com>, pgsql-hackers(at)lists(dot)postgresql(dot)org, underdog(at)theori(dot)io |
| Subject: | Re: remove_useless_joins vs. bug #19560 |
| Date: | 2026-09-26 19:27:52 |
| Message-ID: | 138752.1790450872@sss.pgh.pa.us |
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| Thread: | |
| Lists: | pgsql-hackers |
I wrote:
> Right. I think the appropriate fix is probably to require
> that the checkAsUser values match in RTEs we want to combine.
> If we do that, I'm not sure that we need to consider securityQuals
> as such (but I've not tried it so maybe I'm missing something).
Concretely, about like this. This fixes the given reproducer.
I've not put thought into what sort of test cases we might want
to add.
regards, tom lane
| Attachment | Content-Type | Size |
|---|---|---|
| sje-must-compare-user-ids-too.patch | text/x-diff | 3.9 KB |
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