From: PG Bug reporting form <noreply@postgresql.org>
To: pgsql-bugs@lists.postgresql.org
Cc: exclusion@gmail.com
Subject: BUG #18984: Empty prepared statement from psql \parse triggers assert in PortalRunMulti
Date: Mon, 14 Jul 2025 19:00:02 +0000
Message-ID: <18984-0f4778a6599ac3ae@postgresql.org> (raw)
The following bug has been logged on the website:
Bug reference: 18984
Logged by: Alexander Lakhin
Email address: exclusion@gmail.com
PostgreSQL version: 18beta1
Operating system: Ubuntu 24.04
Description:
The following psql script:
\parse s
execute s;
invokes:
TRAP: failed Assert("qc->commandTag != CMDTAG_UNKNOWN"), File: "pquery.c",
Line: 1369, PID: 1123863
ExceptionalCondition at assert.c:52:13
PortalRunMulti at pquery.c:1371:1
PortalRun at pquery.c:792:5
ExecuteQuery at prepare.c:260:2
standard_ProcessUtility at utility.c:757:4
ProcessUtility at utility.c:523:3
PortalRunUtility at pquery.c:1153:2
PortalRunMulti at pquery.c:1310:5
PortalRun at pquery.c:792:5
exec_simple_query at postgres.c:1280:11
...
Reproduced starting from d55322b0d.
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Subject: Re: BUG #18984: Empty prepared statement from psql \parse triggers assert in PortalRunMulti
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