<?vsp 
--  
--  $Id: vs_xr_2_qry.vsp,v 1.2 2006/08/15 19:30:34 source Exp $
--  
--  This file is part of the OpenLink Software Virtuoso Open-Source (VOS)
--  project.
--  
--  Copyright (C) 1998-2006 OpenLink Software
--  
--  This project is free software; you can redistribute it and/or modify it
--  under the terms of the GNU General Public License as published by the
--  Free Software Foundation; only version 2 of the License, dated June 1991.
--  
--  This program is distributed in the hope that it will be useful, but
--  WITHOUT ANY WARRANTY; without even the implied warranty of
--  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
--  General Public License for more details.
--  
--  You should have received a copy of the GNU General Public License along
--  with this program; if not, write to the Free Software Foundation, Inc.,
--  51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
--  
--  

  declare ses any;
  declare mindt, maxdt datetime;
  declare err varchar;
  err := '';

  if ('Execute' = {?'exec'})
    {
      declare pid integer;
      declare cid, qry varchar;

      whenever sqlstate '22007' goto set_err;
      pid := atoi ({?'prodid'});
      cid := {?'custid'};
      err := {?'mindt'}; if (length (err) <> 10) signal ('22007', '');
      mindt := stringdate ({?'mindt'});
      err := {?'maxdt'}; if (length (err) <> 10) signal ('22007', '');
      maxdt := stringdate ({?'maxdt'});

      qry := 'select "Order".OrderID, "Order".EmployeeID, "Order".OrderDate, "Order".ShippedDate,
	             Product.ProductName, Details.UnitPrice, Details.Quantity,
		     Details.Discount
			from Demo.demo.Orders "Order", Demo.demo.Order_details Details, Demo.demo.Products Product
			where "Order".OrderDate >= ? and  "Order".OrderDate <= ? and "Order".CustomerID = ?
			and Product.CategoryID = ? and Product.ProductID = Details.ProductID and
			"Order".OrderID = Details.OrderID';
      ses := string_output ();
      http (sprintf ('<?xml version="1.0" encoding="%s" ?>\n', current_charset()), ses);
      http (concat ('<!DOCTYPE document [', xml_auto_dtd (qry, 'document'), ']>\n'), ses);
      http ('<document>\n', ses);
      xml_auto (qry, vector (mindt, maxdt, cid, pid), ses);
      http ('</document>\n', ses);
      http (string_output_string (ses));
      http_xslt (TUTORIAL_XSL_DIR () || '/tutorial/web/vs_xr_2/vs_xr_2.xsl');
      return (0);
    }
if (0)
  {
set_err:
    err := err || ': wrong date format';
  }

?>

<html>
  <head>
    <link rel="stylesheet" type="text/css" href="../demo.css">
    <meta name="DESCRIPTION" content="">
  </head>
  <body>
    <div class="error"> <?= err ?> </div>
    <form action="vs_xr_2_qry.vsp" method="post">
      <table class="tableentry">
      <tr>
         <td>1. Select Customer</td>
	 <td>
	 <select name="custid">
<?vsp for select CompanyName, CustomerID from Demo.demo.Customers do { ?>
          <option value="<?=CustomerID?>"><?=CompanyName?></option>
<?vsp } ?>
	 </select>
	 </td>
      </tr>
      <tr>
         <td>2. Select Product Category</td>
	 <td>
	 <select name="prodid">
<?vsp for select CategoryID, CategoryName from Demo.demo.Categories do { ?>
          <option value="<?=CategoryID?>"><?=CategoryName?></option>
<?vsp } ?>
	 </select>
	 </td>
      </tr>
      <tr>
         <td>3. Enter 'from' date</td>
	 <td>
<?vsp
	 select subseq (cast (max(OrderDate) as varchar), 0, 10) into maxdt from Demo.demo.Orders;
	 select subseq (cast (min(OrderDate) as varchar), 0, 10) into mindt from Demo.demo.Orders;
?>
         <input type="text" name="mindt" value="<?=mindt?>" size="26">
	 </td>
      </tr>
      <tr>
         <td>4. Enter 'to' date</td>
	 <td><input type="text" name="maxdt" value="<?=maxdt?>" size="26"></td>
      </tr>

      <tr>
         <td>5. Execute</td>
	 <td><input type="submit" name="exec" value="Execute">&nbsp;&nbsp;&nbsp;<input type="reset" name="clear" value="Clear"></td>
      </tr>
      </table>
    </form>
  </body>
</html>
