From: PG Bug reporting form <noreply@postgresql.org>
To: pgsql-bugs@lists.postgresql.org
Cc: exclusion@gmail.com
Subject: BUG #19405: Assertion in eval_windowaggregates() fails due to integer overflow
Date: Fri, 13 Feb 2026 05:00:01 +0000
Message-ID: <19405-1ecf025dda171555@postgresql.org> (raw)
The following bug has been logged on the website:
Bug reference: 19405
Logged by: Alexander Lakhin
Email address: exclusion@gmail.com
PostgreSQL version: 18.2
Operating system: Ubuntu 24.04
Description:
The following script:
CREATE TABLE t (i integer);
INSERT INTO t SELECT g FROM generate_series(1, 2) g;
SELECT SUM(i) OVER (ROWS BETWEEN 1 PRECEDING AND 0x7fffffffffffffff
FOLLOWING EXCLUDE CURRENT ROW) FROM t;
triggers:
TRAP: failed Assert("aggregatedupto_nonrestarted <=
winstate->aggregatedupto"), File: "nodeWindowAgg.c", Line: 1024, PID:
3288248
ExceptionalCondition at assert.c:51:13
eval_windowaggregates at nodeWindowAgg.c:1061:31
ExecWindowAgg at nodeWindowAgg.c:2367:5
ExecProcNode at executor.h:320:1
ExecutePlan at execMain.c:1711:10
standard_ExecutorRun at execMain.c:366:3
...
Reproduced on REL_14_STABLE .. master.
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To: pgsql-bugs@postgresql.org
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Subject: Re: BUG #19405: Assertion in eval_windowaggregates() fails due to integer overflow
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