--- month.module.orig	2007-06-10 16:11:20.000000000 +0200
+++ month.module	2007-06-10 16:47:14.000000000 +0200
@@ -22,13 +22,20 @@
 }
 
 function month_links_query($nodes_to_include, $rev_chronsort = NULL, $limit = NULL) {
+  global $db_type;
   foreach ($nodes_to_include as $key => $value) {
     $nodes_to_include[$key] = "'". db_escape_string($value) . "'";
   }
   //$query = 'SELECT YEARMONTH(FROM_UNIXTIME(changed),0) AS monthno FROM {node} n ';
   //$query = 'SELECT MONTH(FROM_UNIXTIME(changed)) AS monthno FROM {node} n ';
   //$query = 'SELECT FROM_UNIXTIME(changed) AS monthno FROM {node} n ';
-  $query = 'SELECT DATE_FORMAT(FROM_UNIXTIME(created),\'%Y-%m\') AS monthno,COUNT(*) AS nodenum FROM {node} n ';
+  switch ($db_type) {
+    case 'mysql':
+    case 'mysqli':
+      $query = 'SELECT DATE_FORMAT(FROM_UNIXTIME(created),\'%Y-%m\') AS monthno,COUNT(*) AS nodenum FROM {node} n ';
+    case 'pgsql':
+      $query = 'SELECT TO_CHAR(abstime(created), \'YYYY-MM\') AS monthno,COUNT(*) AS nodenum FROM {node} n ';
+  }
   $query .= 'WHERE n.created>0 AND (n.status=1) AND n.type IN (' . implode(',', $nodes_to_include) . ') ';
   $query .=' GROUP BY monthno ';
   $query .= $rev_chronsort ? '' : 'ORDER BY monthno DESC ';
@@ -182,7 +189,7 @@
   if ($month_paginate){
     $output .= theme('pager', NULL, $_month_config['default_nodes_main'], 0);
   }
-  drupal_set_title('Month of '.date('F , Y', $query[1]));
+  drupal_set_title('Month of '.date('F, Y', $query[1]));
   // if there's no output, don't let them stare at a blank page
   $output = $output? $output:t('Sorry, there are no entries for this month.');
   // return the output string