Re: Fix overflow hazard in interval rounding

From: Joseph Koshakow <koshy44(at)gmail(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: Fix overflow hazard in interval rounding
Date: 2024-02-13 20:28:08
Message-ID: CAAvxfHdL5BVqN2mmNvfxgcxu27KDfiHbjpXd9QhZhsyTuhGaZA@mail.gmail.com
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On Tue, Feb 13, 2024 at 1:46 PM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:

> I think you need to use ereturn not ereport here; see other error
> cases in AdjustIntervalForTypmod.

Attached is an updated patch that makes this adjustment.

> (We'd need ereport in back branches, but this problem seems to
> me to probably not be worth back-patching.)

Agreed, this seems like a pretty rare overflow/underflow.

Thanks,
Joe Koshakow

Attachment Content-Type Size
v2-0001-Fix-overflow-hazard-in-interval-rounding.patch text/x-patch 3.4 KB

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