Re: BUG #18984: Empty prepared statement from psql \parse triggers assert in PortalRunMulti

From: Álvaro Herrera <alvherre(at)kurilemu(dot)de>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Michael Paquier <michael(at)paquier(dot)xyz>, exclusion(at)gmail(dot)com, pgsql-bugs(at)lists(dot)postgresql(dot)org
Subject: Re: BUG #18984: Empty prepared statement from psql \parse triggers assert in PortalRunMulti
Date: 2025-07-15 12:33:14
Message-ID: 202507151233.n5jw4x3jtc2g@alvherre.pgsql
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On 2025-Jul-15, Tom Lane wrote:

> Michael Paquier <michael(at)paquier(dot)xyz> writes:
> > ... I am wondering if we should not just nuke the assertion at the end
> > of PortalRunMulti() instead, relying on the same check done at the
> > beginning of ProcessUtility().
>
> Yeah, I was starting to think about that solution too. Removing
> code seems nicer than adding more.

Yeah, this makes sense to me too. I'd rewrite the comment while at it,
because what's being described as "printing 0 0" no longer occurs in
this form in this place anymore. Maybe we could discuss adding
some commentary to EndCommand where this now happens, but I don't think
we really need it.

--
Álvaro Herrera 48°01'N 7°57'E — https://www.EnterpriseDB.com/

Attachment Content-Type Size
0001-Remove-assertion-in-PortalRunMulti-simplify-comment.patch text/x-diff 1.8 KB

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