Re: Assert failure in base_yyparse

Richard Guo <guofenglinux@gmail.com>

From: Richard Guo <guofenglinux@gmail.com>
To: Евгений Горбанев <gorbanyoves@basealt.ru>
Cc: pgsql-hackers@lists.postgresql.org, Álvaro Herrera <alvherre@kurilemu.de>
Date: 2025-05-09T05:54:37Z
Lists: pgsql-hackers
On Mon, Apr 14, 2025 at 5:45 PM Richard Guo <guofenglinux@gmail.com> wrote:
> It seems what happens is that internally in gram.y (~line 14274), the
> DefElem for the not-null option is assigned the name "is_not_null".
> As a result, this allows users to explicitly use "is_not_null" as the
> option name.  However, the value provided for the is_not_null option
> in this way might not be a Boolean as expected, which triggers the
> assertion.
>
> I kind of doubt we should allow the use of the "is_not_null" keyword
> in the xmltable function.
>
> Hi Álvaro, what do you think about this?

Just realized Álvaro has switched to a new email address — re-cc'ing.

Thanks
Richard



Commits

  1. Fix Assert failure in XMLTABLE parser