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doc/nixos/postgress: Mention extensions in upgrading

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analyze_new_cluster script is not available in PostgreSQL 14+:

8f113698b6
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Jan Tojnar 2022-10-26 15:21:06 +02:00
parent e598636243
commit 04e85da1c0
1 changed files with 16 additions and 3 deletions
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19
nixos/modules/services/databases/postgresql.xml
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@ -131,12 +131,25 @@ Type "help" for help.
</listitem>
<listitem>
<para>
After the upgrade it's advisable to analyze the new cluster (as <literal>su -l postgres</literal> in the
<xref linkend="opt-services.postgresql.dataDir" />, in this example <filename>/var/lib/postgresql/13</filename>):
After the upgrade it's advisable to analyze the new cluster.
</para>
<itemizedlist>
<listitem>
<para>
For PostgreSQL ≥ 14, use the <literal>vacuumdb</literal> command printed by the upgrades script.
</para>
</listitem>
<listitem>
<para>
For PostgreSQL &lt; 14, run (as <literal>su -l postgres</literal> in the <xref linkend="opt-services.postgresql.dataDir" />, in this example <filename>/var/lib/postgresql/13</filename>):
<programlisting>
<prompt>$ </prompt>./analyze_new_cluster.sh
</programlisting>
<warning><para>The next step removes the old state-directory!</para></warning>
</para>
</listitem>
</itemizedlist>
<para>
<warning><para>The next step removes the old state-directory!</para></warning>
<programlisting>
<prompt>$ </prompt>./delete_old_cluster.sh
</programlisting>