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From: Muhammad Usman Khan <usman.k@bitnine.net>
Date: Tue, 3 Sep 2024 21:25:17 +0500
Message-ID: <CAPnRvGu-7B7J1i624KcJ-V2nUkuqGLsDT4Ae=EGbAPXJ=8A4fQ@mail.gmail.com>
Subject: Re: Issue with Restore dump with plpythonu, plpython3u installed on postgres16
To: Sam Son <sam89.g@gmail.com>
Cc: pgsql-general@lists.postgresql.org
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Hi,
You need to install plpython3u on your new server and also make sure to use
python3. You need to make changes to your functions also to make them
compatible with python3


On Tue, 3 Sept 2024 at 19:31, Sam Son <sam89.g@gmail.com> wrote:

> Hi Team,
>
> I am working on a project where we have applications run on old versions
> of postgres, we are using *plpythonu* in all Functions extension,
>
> Now we have upgraded postgres to latest which does not support plpythonu
> anymore, So we are facing an issue while restoring dump which has
> plpythonu, but latest postgres support only plpython3u.
>
> *"pg_restore: error: could not execute query: ERROR:  language "plpythonu"
> does not exist"*
>
> How to change plpythonu to plpython3u in the dump file before pg_restore.
> or Does postgres have any option to handle directly via config.
>
> Thanks in Advance
>
> Thanks,
> Samson G
>

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<div dir=3D"ltr"><div><div dir=3D"ltr" class=3D"gmail_signature" data-smart=
mail=3D"gmail_signature"><div dir=3D"ltr"><div>Hi,<br>You need to install p=
lpython3u on your new server and also make sure to use python3. You need to=
 make changes to your functions also to make them compatible with python3</=
div></div></div></div><br></div><br><div class=3D"gmail_quote"><div dir=3D"=
ltr" class=3D"gmail_attr">On Tue, 3 Sept 2024 at 19:31, Sam Son &lt;<a href=
=3D"mailto:sam89.g@gmail.com">sam89.g@gmail.com</a>&gt; wrote:<br></div><bl=
ockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-lef=
t:1px solid rgb(204,204,204);padding-left:1ex"><div dir=3D"ltr">Hi Team,<br=
><br>I am working on a project where we have applications=C2=A0run on old v=
ersions of postgres, we are using=C2=A0<b>plpythonu</b>=C2=A0in all Functio=
ns extension,=C2=A0<br><br>Now we have upgraded postgres to latest which do=
es not support plpythonu anymore, So we are facing an issue while restoring=
 dump which has plpythonu, but latest postgres support only plpython3u.=C2=
=A0<div><div><br></div><div><b>&quot;pg_restore: error: could not execute q=
uery: ERROR: =C2=A0language &quot;plpythonu&quot; does not exist&quot;</b><=
/div><div><br></div><div><div>How to change plpythonu to plpython3u in the =
dump file before pg_restore. or Does postgres have any option to handle dir=
ectly via config.=C2=A0</div><div><br></div><div>Thanks in Advance<br><br><=
/div><div>Thanks,<br>Samson G</div></div></div></div>
</blockquote></div>

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