<structfield>min_value</structfield> <type>int8</type>
      </para>
      <para>
       Minimum value of the sequence
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>max_value</structfield> <type>int8</type>
      </para>
      <para>
       Maximum value of the sequence
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>increment_by</structfield> <type>int8</type>
      </para>
      <para>
       Increment value of the sequence
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>cycle</structfield> <type>bool</type>
      </para>
      <para>
       Whether the sequence cycles
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>cache_size</structfield> <type>int8</type>
      </para>
      <para>
       Cache size of the sequence
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>last_value</structfield> <type>int8</type>
      </para>
      <para>
       The last sequence value written to disk.  If caching is used,
       this value can be greater than the last value handed out from the
       sequence.
      </para></entry>
     </row>
    </tbody>
   </tgroup>
  </table>

  <para>
   The <structfield>last_value</structfield> column will read as null if any of
   the following are true:
   <itemizedlist>
    <listitem>
     <para>
      The sequence has not been read from yet.
     </para>
    </listitem>
    <listitem>
     <para>
      The current user does not have <literal>USAGE</literal> or
      <literal>SELECT</literal> privilege on the sequence.
     </para>
    </listitem>
    <listitem>
     <para>
      The sequence is unlogged and the server is a standby.
     </para>
    </listitem>
   </itemizedlist>
  </para>

 </sect1>

 <sect1 id="view-pg-settings">
  <title><structname>pg_settings</structname></title>

  <indexterm zone="view-pg-settings">
   <primary>pg_settings</primary>
  </indexterm>

  <para>
   The view <structname>pg_settings</structname> provides access to
   run-time parameters of the server.  It is essentially an alternative
   interface to the <link linkend="sql-show"><command>SHOW</command></link>
   and <link linkend="sql-set"><command>SET</command></link> commands.
   It also provides access to some facts about each parameter that are
   not directly available from <link linkend="sql-show"><command>SHOW</command></link>, such as minimum and
   maximum values.
  </para>

  <table>
   <title><structname>pg_settings</structname> Columns</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>name</structfield> <type>text</type>
      </para>
      <para>
       Run-time configuration parameter name
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>setting</structfield> <type>text</type>
      </para>
      <para>
       Current value of the parameter
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>unit</structfield> <type>text</type>
      </para>
      <para>
       Implicit unit of the parameter
      </para></entry>
     </row>

     <row>
      <entry role="catalog_table_entry"><para role="column_definition">
       <structfield>category</structfield> <type>text</type>
      </para>
      <para>