MIME-Version: 1.0
References: 
 <CAJk5AtZH+P1m39F4R2XLtzqgne7Za4qmMTgtBDbU8snXQBrZXQ@mail.gmail.com>
 <dd7389df31fe3ac9c1eac94d5ddcb2d51f453f90.camel@cybertec.at>
In-Reply-To: <dd7389df31fe3ac9c1eac94d5ddcb2d51f453f90.camel@cybertec.at>
From: Raj <rajeshkumar.dba09@gmail.com>
Date: Thu, 21 May 2026 21:41:55 +0530
Message-ID: 
 <CAJk5AtYo4hUFwpKwZGpSzPG3ruTgRPLaKXyVOYn=JGoN29u+Qw@mail.gmail.com>
Subject: Re: Partitioning table - Update on partitioning key
To: Laurenz Albe <laurenz.albe@cybertec.at>
Cc: Pgsql-admin <pgsql-admin@lists.postgresql.org>
Content-Type: multipart/alternative; boundary="0000000000008351070652562cc2"
Archived-At: 
 <https://www.postgresql.org/message-id/CAJk5AtYo4hUFwpKwZGpSzPG3ruTgRPLaKXyVOYn%3DJGoN29u%2BQw%40mail.gmail.com>
Precedence: bulk

--0000000000008351070652562cc2
Content-Type: text/plain; charset="UTF-8"

No, updating the partition key (say colum created_at)....when u update the
date , say change march to April,  this record is in new partition and we
get this error

On Thu, 21 May 2026, 17:12 Laurenz Albe, <laurenz.albe@cybertec.at> wrote:

> On Thu, 2026-05-21 at 16:45 +0530, Raj wrote:
> > Update happing on partition key.
> >
> > And we get error 'Tuple to be locked was already moved to another
> partition due to concurrent update error..
> >
> > What's the best solution to handle it?
>
> Could you give us more context, like the exact statement and a description
> of the data it is operating on?
>
> If I had to guess, I would suspect that your UPDATE statement tries to
> modify
> the same row more than once.
>
> Yours,
> Laurenz Albe
>

--0000000000008351070652562cc2
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

<div dir=3D"auto">No, updating the partition key (say colum created_at)....=
when u update the date , say change march to April,=C2=A0 this record is in=
 new partition and we get this error</div><br><div class=3D"gmail_quote gma=
il_quote_container"><div dir=3D"ltr" class=3D"gmail_attr">On Thu, 21 May 20=
26, 17:12 Laurenz Albe, &lt;<a href=3D"mailto:laurenz.albe@cybertec.at">lau=
renz.albe@cybertec.at</a>&gt; wrote:<br></div><blockquote class=3D"gmail_qu=
ote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex=
">On Thu, 2026-05-21 at 16:45 +0530, Raj wrote:<br>
&gt; Update happing on partition key.<br>
&gt; <br>
&gt; And we get error &#39;Tuple to be locked was already moved to another =
partition due to concurrent update error..<br>
&gt; <br>
&gt; What&#39;s the best solution to handle it?<br>
<br>
Could you give us more context, like the exact statement and a description<=
br>
of the data it is operating on?<br>
<br>
If I had to guess, I would suspect that your UPDATE statement tries to modi=
fy<br>
the same row more than once.<br>
<br>
Yours,<br>
Laurenz Albe<br>
</blockquote></div>

--0000000000008351070652562cc2--