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Date: Tue, 22 Aug 2023 13:33:09 +0200
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Subject: Re: Compatibility postgis
To: pgsql-admin@lists.postgresql.org
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compatibility between postgres/GIS is a little tricky.
This 
<https://trac.osgeo.org/postgis/wiki/UsersWikiPostgreSQLPostGIS#PostGISSupportMatrix> 
is a good starting point to see what you have to aim for.

Next challenge is to figure out a workable upgrade path as it is not 
unlikely you will have to go through some intermediate steps.

Maybe it would help whether you can specify which PostGIS version you 
are coming from on the source (postgres-12) Installation.

On 22.08.23 09:35, Rajesh Kumar wrote:
> I am tring to upgrade from postgres 12 to postgres 15.
>
> And it seems like posigis extension I have on V12 is not compatible 
> with V15.
>
> I get following error
>
>
> command: "/usr/pgsql-15/bin/pg_dump" --host /var/lib/pgsql --port 
> 50432 --username postgres --schema-only --quote-all-identifiers 
> --binary-upgrade --format=cu stom 
> --file="/var/lib/pgsql/data/15/data/pg_upgrade_output.d/20230818T082920.083/dump/pg_upgrade_dump_27286.custom" 
> 'dbname=common' >> "/var/lib/pgsql/data/1 
> 5/data/pg_upgrade_output.d/20230818T082920.083/log/pg_upgrade_dump_27286.log" 
> 2>&1 pg_dump: error: query failed: ERROR: could not access file 
> "$libdir/postgis-3": No such file or directory
>
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    compatibility between postgres/GIS is a little tricky. <br>
    <a
href="https://trac.osgeo.org/postgis/wiki/UsersWikiPostgreSQLPostGIS#PostGISSupportMatrix">This</a>
    is a good starting point to see what you have to aim for.<br>
    <br>
    Next challenge is to figure out a workable upgrade path as it is not
    unlikely you will have to go through some intermediate steps.<br>
    <br>
    <div class="moz-cite-prefix">Maybe it would help whether you can
      specify which PostGIS version you are coming from on the source
      (postgres-12) Installation.<br>
      <br>
      On 22.08.23 09:35, Rajesh Kumar wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:CAJk5AtbuQv+p2rYgGLOZ4a=abhxVJz5AxAZn_o+s3Qe+4q3ksg@mail.gmail.com">
      <meta http-equiv="content-type" content="text/html; charset=UTF-8">
      <div dir="auto">I am tring to upgrade from postgres 12 to postgres
        15.
        <div dir="auto"><br>
        </div>
        <div dir="auto">And it seems like posigis extension I have on
          V12 is not compatible with V15.</div>
        <div dir="auto"><br>
        </div>
        <div dir="auto">I get following error</div>
        <div dir="auto"><br>
        </div>
        <div dir="auto"><br>
          <div dir="auto">command: "/usr/pgsql-15/bin/pg_dump" --host
            /var/lib/pgsql --port 50432 --username postgres
            --schema-only --quote-all-identifiers --binary-upgrade
            --format=cu stom
--file="/var/lib/pgsql/data/15/data/pg_upgrade_output.d/20230818T082920.083/dump/pg_upgrade_dump_27286.custom"
            'dbname=common' &gt;&gt; "/var/lib/pgsql/data/1
5/data/pg_upgrade_output.d/20230818T082920.083/log/pg_upgrade_dump_27286.log"
            2&gt;&amp;1 pg_dump: error: query failed: ERROR: could not
            access file "$libdir/postgis-3": No such file or directory<br>
          </div>
          <div dir="auto"><br>
          </div>
        </div>
      </div>
    </blockquote>
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