| From: | Richard Guo <guofenglinux(at)gmail(dot)com> |
|---|---|
| To: | David Rowley <dgrowleyml(at)gmail(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Wrong results with grouping sets |
| Date: | 2024-10-25 01:09:11 |
| Message-ID: | CAMbWs48f111ufLcTwtc22UGwFs8BLSfPtEdiVi+pYS9RzjxA-w@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Thu, Oct 10, 2024 at 6:51 PM Richard Guo <guofenglinux(at)gmail(dot)com> wrote:
> On Thu, Oct 10, 2024 at 4:06 PM Richard Guo <guofenglinux(at)gmail(dot)com> wrote:
> > While we can fix this issue by propagating the hasGroupRTE mark from
> > the EXISTS subquery to the parent, a better fix might be to remove the
> > subquery's RTE_GROUP entry, since we have dropped the subquery's
> > groupClause before the pull-up (see simplify_EXISTS_query).
>
> Here is the patch.
I've pushed this patch with minor tweaks. Thanks again for the
report!
Thanks
Richard
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