--- a/about.php
+++ b/about.php
@@ -19,7 +19,10 @@
 orem ipsum dolor sit amet, consectetuer adipiscing elit orem ipsum dolor sit amet, consectetuer adipiscing elit
 </div>
 </div>
-<?php CNDistributionGraph(); ?>
+<?php CNDistributionGraph(); 
+// select distinct cnid, "publishDate" from (select ("CNID" - MOD("CNID",100)) as cnid from contractnotice where "CNID" < 999999) as a, contractnotice where a.cnid = contractNotice."CNID" order by cnid
+?>
+
 sourced from austender
 
 Government Agency Information (2009-07-10): National Archives of Australia, http://www.naa.gov.au under Creative Commons - Attribution 2.5 Australia (CC-BY)
@@ -29,7 +32,7 @@
 <?php
 include_once("./lib/common.inc.php");
 $query = 'SELECT DATE("importDate") as importday, count(*) as count, min("publishDate") as start, max("publishDate") as end 
-FROM contractnotice WHERE "childCN" = 0 AND "parentCN" = 0 AND DATE("importDate") = (select * from (SELECT DATE("importDate") 
+FROM contractnotice WHERE "childCN" is null AND "parentCN" is null AND DATE("importDate") = (select * from (SELECT DATE("importDate") 
 FROM contractnotice ORDER BY "importDate" DESC limit 1) alias) GROUP BY DATE("importDate")';
 $query = $conn->prepare($query);
 	$query->execute();
@@ -42,7 +45,7 @@
 
 
 $query = 'SELECT DATE("importDate") as importday, count(*) as count, min("publishDate") as start, max("publishDate") as end 
-FROM contractnotice WHERE ("childCN" != 0 OR "parentCN" != 0) AND DATE("importDate") = (select * from (SELECT DATE("importDate") 
+FROM contractnotice WHERE ("childCN" is not null OR "parentCN" is not null) AND DATE("importDate") = (select * from (SELECT DATE("importDate") 
 FROM contractnotice ORDER BY "importDate" DESC limit 1) alias) GROUP BY DATE("importDate")';
 $query = $conn->prepare($query);
 	$query->execute();
@@ -59,4 +62,5 @@
 
 
 include_footer();
-?>
+?>
+