Received: from malur.postgresql.org ([217.196.149.56])
	by arkaria.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256)
	(Exim 4.92)
	(envelope-from <pgsql-hackers-owner+archive@lists.postgresql.org>)
	id 1pMeBe-0003ly-5X
	for pgsql-hackers@arkaria.postgresql.org; Tue, 31 Jan 2023 00:07:46 +0000
Received: from localhost ([127.0.0.1] helo=malur.postgresql.org)
	by malur.postgresql.org with esmtp (Exim 4.92)
	(envelope-from <pgsql-hackers-owner+archive@lists.postgresql.org>)
	id 1pMeBd-0005vm-17
	for pgsql-hackers@arkaria.postgresql.org; Tue, 31 Jan 2023 00:07:45 +0000
Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29])
	by malur.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256)
	(Exim 4.92)
	(envelope-from <tgl@sss.pgh.pa.us>)
	id 1pMeBc-0005va-Np
	for pgsql-hackers@lists.postgresql.org; Tue, 31 Jan 2023 00:07:44 +0000
Received: from sss.pgh.pa.us ([66.207.139.130])
	by magus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256)
	(Exim 4.92)
	(envelope-from <tgl@sss.pgh.pa.us>)
	id 1pMeBW-00081z-6f
	for pgsql-hackers@postgresql.org; Tue, 31 Jan 2023 00:07:44 +0000
Received: from sss1.sss.pgh.pa.us (localhost [127.0.0.1])
	by sss.pgh.pa.us (8.15.2/8.15.2) with ESMTP id 30V07Z6G975385;
	Mon, 30 Jan 2023 19:07:35 -0500
From: Tom Lane <tgl@sss.pgh.pa.us>
To: Gurjeet Singh <gurjeet@singh.im>
cc: =?UTF-8?Q?Przemys=C5=82aw_Sztoch?= <przemyslaw@sztoch.pl>,
        Pg Hackers <pgsql-hackers@postgresql.org>
Subject: Re: generate_series for timestamptz and time zone problem
In-reply-to: <CABwTF4WFX6vVRfev9vLE2PwZHcXJwWvT08eBP4UpaQDGax6eHQ@mail.gmail.com>
References: <01a84551-48dd-1359-bf7e-f6b0203a6bd0@sztoch.pl> <328603.1654030472@sss.pgh.pa.us> <c7ca451a-0145-503a-ce43-fe9f4737f17e@sztoch.pl> <f4f7c540-0c28-d2eb-1211-4a46ebc3131e@sztoch.pl> <38924.1655214183@sss.pgh.pa.us> <4e57ff10-bf22-ae58-74c2-93c696450eae@sztoch.pl> <c3ce2b98-3173-137e-f3ad-1730201fdec8@sztoch.pl> <CABwTF4Us8WGMffNGTNY1X+irSViC7p-2yMixKQqVepxkApnKhA@mail.gmail.com> <eaa3fabe-50fc-bbe8-b096-ce62ddadab85@sztoch.pl> <146161.1668278679@sss.pgh.pa.us> <CABwTF4WFX6vVRfev9vLE2PwZHcXJwWvT08eBP4UpaQDGax6eHQ@mail.gmail.com>
Comments: In-reply-to Gurjeet Singh <gurjeet@singh.im>
	message dated "Sun, 29 Jan 2023 23:18:53 -0800"
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-ID: <975383.1675123655.1@sss.pgh.pa.us>
Date: Mon, 30 Jan 2023 19:07:35 -0500
Message-ID: <975384.1675123655@sss.pgh.pa.us>
List-Id: <pgsql-hackers.lists.postgresql.org>
List-Help: <https://lists.postgresql.org/manage/>
List-Subscribe: <https://lists.postgresql.org/manage/>
List-Post: <mailto:pgsql-hackers@lists.postgresql.org>
List-Owner: <mailto:pgsql-hackers-owner@lists.postgresql.org>
List-Archive: <https://www.postgresql.org/list/pgsql-hackers>
Archived-At: <https://www.postgresql.org/message-id/975384.1675123655%40sss.pgh.pa.us>
Precedence: bulk

Gurjeet Singh <gurjeet@singh.im> writes:
> [ generate_series_with_timezone.v6.patch ]

The cfbot isn't terribly happy with this.  It looks like UBSan
is detecting some undefined behavior.  Possibly an uninitialized
variable?

			regards, tom lane