Index: doc/src/sgml/ref/truncate.sgml
===================================================================
RCS file: /projects/cvsroot/pgsql/doc/src/sgml/ref/truncate.sgml,v
retrieving revision 1.27
diff -c -r1.27 truncate.sgml
*** doc/src/sgml/ref/truncate.sgml	17 May 2008 23:36:27 -0000	1.27
--- doc/src/sgml/ref/truncate.sgml	28 Aug 2008 14:58:16 -0000
***************
*** 34,40 ****
     <command>DELETE</command> on each table, but since it does not actually
     scan the tables it is faster. Furthermore, it reclaims disk space
     immediately, rather than requiring a subsequent <command>VACUUM</command>
!    operation. This is most useful on large tables.
    </para>
   </refsect1>
  
--- 34,44 ----
     <command>DELETE</command> on each table, but since it does not actually
     scan the tables it is faster. Furthermore, it reclaims disk space
     immediately, rather than requiring a subsequent <command>VACUUM</command>
!    operation. This is most useful on large tables. Also, 
!    <command>TRUNCATE</command> rewrites system catalogue entries for
!    that table, which makes running <command>ANALYZE</command> on a
!    freshly-truncated table is a bad idea, because the statistics will be
!    updated to indicate that the table is truly empty.
    </para>
   </refsect1>