| From: | Richard Guo <guofenglinux(at)gmail(dot)com> |
|---|---|
| To: | Alexander Pyhalov <a(dot)pyhalov(at)postgrespro(dot)ru> |
| Cc: | Etsuro Fujita <etsuro(dot)fujita(at)gmail(dot)com>, PostgreSQL mailing lists <pgsql-bugs(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: foreign join error "variable not found in subplan target list" |
| Date: | 2022-08-10 05:28:36 |
| Message-ID: | CAMbWs49bW4i06Daf8eb1+tsbJVymA4U-3v6rRoNvqKaJSm459Q@mail.gmail.com |
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| Lists: | pgsql-bugs |
On Wed, Aug 10, 2022 at 10:15 AM Richard Guo <guofenglinux(at)gmail(dot)com> wrote:
> Currently the outer_plan used in postgresGetForeignPlan() can only be
> 'Join' or 'Sort + Join'. I'm wondering whether we can take this
> knowledge into consideration when we fix the outer_plan's tlist, to also
> fix the Join's tlist if it is below the Sort node.
>
Alternatively, how about we include in the EPQ path's pathtarget the
columns required for evaluating the local conditions when we consider
EPQ paths with pathkeys? Something like attached.
Thanks
Richard
| Attachment | Content-Type | Size |
|---|---|---|
| v1-0001-Include-local-conds-in-epq-pathtarget.patch | application/octet-stream | 1.3 KB |
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