</row>

      <row>
       <entry role="func_table_entry"><para role="func_signature">
        <type>ltree</type> <literal>&lt;@</literal> <type>ltree</type>
        <returnvalue>boolean</returnvalue>
       </para>
       <para>
        Is left argument a descendant of right (or equal)?
       </para></entry>
      </row>

      <row>
       <entry role="func_table_entry"><para role="func_signature">
        <type>ltree</type> <literal>~</literal> <type>lquery</type>
        <returnvalue>boolean</returnvalue>
       </para>
       <para role="func_signature">
        <type>lquery</type> <literal>~</literal> <type>ltree</type>
        <returnvalue>boolean</returnvalue>
       </para>
       <para>
        Does <type>ltree</type> match <type>lquery</type>?
       </para></entry>
      </row>

      <row>
       <entry role="func_table_entry"><para role="func_signature">
        <type>ltree</type> <literal>?</literal> <type>lquery[]</type>
        <returnvalue>boolean</returnvalue>
       </para>
       <para role="func_signature">
        <type>lquery[]</type> <literal>?</literal> <type>ltree</type>
        <returnvalue>boolean</returnvalue>
       </para>
       <para>
        Does <type>ltree</type> match any <type>lquery</type> in array?
       </para></entry>
      </row>

      <row>
       <entry role="func_table_entry"><para role="func_signature">
        <type>ltree</type> <literal>@</literal> <type>ltxtquery</type>
        <returnvalue>boolean</returnvalue>
       </para>
       <para role="func_signature">
        <type>ltxtquery</type> <literal>@</literal> <type>ltree</type>
        <returnvalue>boolean</returnvalue>
       </para>
       <para>
        Does <type>ltree</type> match <type>ltxtquery</type>?
       </para></entry>
      </row>

      <row>
       <entry role="func_table_entry"><para role="func_signature">
        <type>ltree</type> <literal>||</literal> <type>ltree</type>
        <returnvalue>ltree</returnvalue>
       </para>
       <para>
        Concatenates <type>ltree</type> paths.
       </para></entry>
      </row>

      <row>
       <entry role="func_table_entry"><para role="func_signature">
        <type>ltree</type> <literal>||</literal> <type>text</type>
        <returnvalue>ltree</returnvalue>
       </para>
       <para role="func_signature">
        <type>text</type> <literal>||</literal> <type>ltree</type>
        <returnvalue>ltree</returnvalue>
       </para>
       <para>
        Converts text to <type>ltree</type> and concatenates.
       </para></entry>
      </row>

      <row>
       <entry role="func_table_entry"><para role="func_signature">
        <type>ltree[]</type> <literal>@&gt;</literal> <type>ltree</type>
        <returnvalue>boolean</returnvalue>
       </para>
       <para role="func_signature">
        <type>ltree</type> <literal>&lt;@</literal> <type>ltree[]</type>
        <returnvalue>boolean</returnvalue>
       </para>
       <para>
        Does array contain an ancestor of <type>ltree</type>?
       </para></entry>
      </row>

      <row>
       <entry role="func_table_entry"><para role="func_signature">
        <type>ltree[]</type> <literal>&lt;@</literal> <type>ltree</type>
        <returnvalue>boolean</returnvalue>
       </para>
       <para role="func_signature">
        <type>ltree</type> <literal>@&gt;</literal> <type>ltree[]</type>
        <returnvalue>boolean</returnvalue>
       </para>
       <para>
        Does array contain a descendant of <type>ltree</type>?
       </para></entry>
      </row>

      <row>
       <entry role="func_table_entry"><para role="func_signature">
        <type>ltree[]</type> <literal>~</literal> <type>lquery</type>
        <returnvalue>boolean</returnvalue>
       </para>
       <para role="func_signature">
        <type>lquery</type> <literal>~</literal> <type>ltree[]</type>
        <returnvalue>boolean</returnvalue>
       </para>
       <para>
        Does array contain any path matching <type>lquery</type>?