| From: | Tender Wang <tndrwang(at)gmail(dot)com> |
|---|---|
| To: | Amit Langote <amitlangote09(at)gmail(dot)com> |
| Cc: | Michael Paquier <michael(at)paquier(dot)xyz>, exclusion(at)gmail(dot)com, pgsql-bugs(at)lists(dot)postgresql(dot)org |
| Subject: | Re: BUG #18657: Using JSON_OBJECTAGG with volatile function leads to segfault |
| Date: | 2024-10-16 08:20:41 |
| Message-ID: | CAHewXNmSvzsSqqf6fG7OEkmB2aUuCa7SM4pfVrs9vBeCWZu7yQ@mail.gmail.com |
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| Lists: | pgsql-bugs |
Amit Langote <amitlangote09(at)gmail(dot)com> 于2024年10月16日周三 08:35写道：
> On Wed, Oct 16, 2024 at 9:19 AM Michael Paquier <michael(at)paquier(dot)xyz>
> wrote:
> > On Tue, Oct 15, 2024 at 11:00:01AM +0000, PG Bug reporting form wrote:
> > > First bad commit for this anomaly is b6e1157e7.
> >
> > Amit, any thoughts?
>
> Will look into it, thanks.
>
Hi,
I debug this issue, and I find that:
after b6e1157e7, we shouldn't walk JsonValueExpr.raw_expr in
expression_tree_walker_impl(), which
is called in preprocess_aggrefs().
I try to above solution, no crashed again.
--
Thanks,
Tender Wang
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