title: show one custommer only
body: <p>i want to make a total sum of the ordered product for on custommer
  how do i do that?</p>
  
  <p>i have the following code</p>
  
  <pre><code>$result = mysql_query ("SELECT order_item_name, SUM(product_quantity) FROM wntl_virtuemart_order_items WHERE wntl_virtuemart_order_items.order_item_sku BETWEEN 2 and 2.9 AND order_status= 'U'  GROUP BY order_item_sku");   
  
  while($row=mysql_fetch_array($result))   {   
  echo "&lt;tr&gt;";   
  echo "&lt;td align='center' width='200'&gt;" . $row['order_item_name'] . "&lt;/td&gt;";    
  echo "&lt;td align='center' width='200'&gt;" . $row['SUM(product_quantity)'] . "&lt;/td&gt;";   
  echo "&lt;/tr&gt;";   
  }
  </code></pre>
  
  <p>with this code i get a overall total
  i want to see a total for one custommer</p>
  
  <p>thx in advance grtz</p>