<structfield>heap_blks_scanned</structfield> <type>bigint</type>
      </para>
      <para>
       Number of heap blocks scanned.  This counter only advances when the
       phase is <literal>seq scanning heap</literal>.
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>index_rebuild_count</structfield> <type>bigint</type>
      </para>
      <para>
       Number of indexes rebuilt.  This counter only advances when the phase
       is <literal>rebuilding index</literal>.
      </para></entry>
     </row>
    </tbody>
   </tgroup>
  </table>

  <table id="cluster-phases">
   <title>CLUSTER and VACUUM FULL Phases</title>
   <tgroup cols="2">
    <colspec colname="col1" colwidth="1*"/>
    <colspec colname="col2" colwidth="2*"/>
    <thead>
    <row>
      <entry>Phase</entry>
      <entry>Description</entry>
     </row>
    </thead>

   <tbody>
    <row>
     <entry><literal>initializing</literal></entry>
     <entry>
       The command is preparing to begin scanning the heap.  This phase is
       expected to be very brief.
     </entry>
    </row>
    <row>
     <entry><literal>seq scanning heap</literal></entry>
     <entry>
       The command is currently scanning the table using a sequential scan.
     </entry>
    </row>
    <row>
     <entry><literal>index scanning heap</literal></entry>
     <entry>
       <command>CLUSTER</command> is currently scanning the table using an index scan.
     </entry>
    </row>
    <row>
     <entry><literal>sorting tuples</literal></entry>
     <entry>
       <command>CLUSTER</command> is currently sorting tuples.
     </entry>
    </row>
    <row>
     <entry><literal>writing new heap</literal></entry>
     <entry>
       <command>CLUSTER</command> is currently writing the new heap.
     </entry>
    </row>
    <row>
     <entry><literal>swapping relation files</literal></entry>
     <entry>
       The command is currently swapping newly-built files into place.
     </entry>
    </row>
    <row>
     <entry><literal>rebuilding index</literal></entry>
     <entry>
       The command is currently rebuilding an index.
     </entry>
    </row>
    <row>
     <entry><literal>performing final cleanup</literal></entry>
     <entry>
       The command is performing final cleanup.  When this phase is
       completed, <command>CLUSTER</command>
       or <command>VACUUM FULL</command> will end.
     </entry>
    </row>
   </tbody>
   </tgroup>
  </table>
 </sect2>

 <sect2 id="copy-progress-reporting">
  <title>COPY Progress Reporting</title>

  <indexterm>
   <primary>pg_stat_progress_copy</primary>
  </indexterm>

  <para>
   Whenever <command>COPY</command> is running, the
   <structname>pg_stat_progress_copy</structname> view will contain one row
   for each backend that is currently running a <command>COPY</command> command.
   The table below describes the information that will be reported and provides
   information about how to interpret it.
  </para>

  <table id="pg-stat-progress-copy-view" xreflabel="pg_stat_progress_copy">
   <title><structname>pg_stat_progress_copy</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">