</row>
     <row>
      <entry><literal>acquiring sample rows</literal></entry>
      <entry>
       The command is currently scanning the table given by
       <structfield>relid</structfield> to obtain sample rows.
      </entry>
     </row>
     <row>
      <entry><literal>acquiring inherited sample rows</literal></entry>
      <entry>
       The command is currently scanning child tables to obtain sample rows.
       Columns <structfield>child_tables_total</structfield>,
       <structfield>child_tables_done</structfield>, and
       <structfield>current_child_table_relid</structfield> contain the
       progress information for this phase.
      </entry>
     </row>
     <row>
      <entry><literal>computing statistics</literal></entry>
      <entry>
       The command is computing statistics from the sample rows obtained
       during the table scan.
      </entry>
     </row>
     <row>
      <entry><literal>computing extended statistics</literal></entry>
      <entry>
       The command is computing extended statistics from the sample rows
       obtained during the table scan.
      </entry>
     </row>
     <row>
      <entry><literal>finalizing analyze</literal></entry>
      <entry>
       The command is updating <structname>pg_class</structname>. When this
       phase is completed, <command>ANALYZE</command> will end.
      </entry>
     </row>
    </tbody>
   </tgroup>
  </table>

  <note>
   <para>
    Note that when <command>ANALYZE</command> is run on a partitioned table
    without the <literal>ONLY</literal> keyword, all of its partitions are
    also recursively analyzed.  In that case, <command>ANALYZE</command>
    progress is reported first for the parent table, whereby its inheritance
    statistics are collected, followed by that for each partition.
   </para>
  </note>
 </sect2>

 <sect2 id="cluster-progress-reporting">
  <title>CLUSTER Progress Reporting</title>

  <indexterm>
   <primary>pg_stat_progress_cluster</primary>
  </indexterm>

  <para>
   Whenever <command>CLUSTER</command> or <command>VACUUM FULL</command> is
   running, the <structname>pg_stat_progress_cluster</structname> view will
   contain a row for each backend that is currently running either command.
   The tables below describe the information that will be reported and
   provide information about how to interpret it.
  </para>

  <table id="pg-stat-progress-cluster-view" xreflabel="pg_stat_progress_cluster">
   <title><structname>pg_stat_progress_cluster</structname> View</title>
   <tgroup cols="1">
    <thead>
     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       Column Type
      </para>
      <para>
       Description
      </para></entry>
     </row>
    </thead>

    <tbody>
     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>pid</structfield> <type>integer</type>
      </para>
      <para>
       Process ID of backend.
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>datid</structfield> <type>oid</type>
      </para>
      <para>
       OID of the database to which this backend is connected.
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>datname</structfield> <type>name</type>
      </para>
      <para>
       Name of the database to which this backend is connected.
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>relid</structfield> <type>oid</type>
      </para>
      <para>
       OID of the table being clustered.
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>command</structfield> <type>text</type>
      </para>
      <para>
       The command that is running. Either <literal>CLUSTER</literal>