<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns="http://www.w3.org/TR/REC-html40">
<head>
<meta http-equiv=Content-Type content="text/html; charset=us-ascii">
<meta name=Generator content="Microsoft Word 11 (filtered medium)">
<style>
<!--
/* Font Definitions */
@font-face
{font-family:Verdana;
panose-1:2 11 6 4 3 5 4 4 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
margin-bottom:.0001pt;
font-size:12.0pt;
font-family:"Times New Roman";}
h3
{mso-margin-top-alt:auto;
margin-right:0cm;
mso-margin-bottom-alt:auto;
margin-left:0cm;
font-size:13.5pt;
font-family:"Times New Roman";}
a:link, span.MsoHyperlink
{color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{color:purple;
text-decoration:underline;}
span.EmailStyle17
{mso-style-type:personal-compose;
font-family:Verdana;
color:windowtext;
font-weight:normal;
font-style:normal;
text-decoration:none none;}
@page Section1
{size:612.0pt 792.0pt;
margin:72.0pt 90.0pt 72.0pt 90.0pt;}
div.Section1
{page:Section1;}
-->
</style>
<!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]-->
</head>
<body lang=EN-US link=blue vlink=purple>
<div class=Section1>
<p class=MsoNormal><font size=2 face=Verdana><span style='font-size:10.0pt;
font-family:Verdana'>This is an old question but still the problem remains.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span style='font-size:10.0pt;
font-family:Verdana'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span style='font-size:10.0pt;
font-family:Verdana'>I use MapServer/MapScript/csharp.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span style='font-size:10.0pt;
font-family:Verdana'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span style='font-size:10.0pt;
font-family:Verdana'>I use the OracleSpatial built in support in MapServer.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span style='font-size:10.0pt;
font-family:Verdana'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span style='font-size:10.0pt;
font-family:Verdana'>I want to show a selected bunch of features on the map.
The selection is made only by an attribute query (postcode = 123).<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span style='font-size:10.0pt;
font-family:Verdana'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span style='font-size:10.0pt;
font-family:Verdana'>By turning logging on I can se that even if I do an
attribute query the query sent to Oracle include both the envelope and the
actual query. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span style='font-size:10.0pt;
font-family:Verdana'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span style='font-size:10.0pt;
font-family:Verdana'>I can catch that query and run it in SQLPlus and I will
see it takes looonnngg time to perform. If I remove the envelope it’s
much faster. I have created index on both the geometry and the attribute
column, but as I can understand it’s not possible to create index on
shape and the attribute column in combination. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span style='font-size:10.0pt;
font-family:Verdana'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span style='font-size:10.0pt;
font-family:Verdana'>So my question is: why must the geometry be part of the
query when I don’t need it?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span style='font-size:10.0pt;
font-family:Verdana'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span style='font-size:10.0pt;
font-family:Verdana'>/Johan<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Verdana><span style='font-size:10.0pt;
font-family:Verdana'><o:p> </o:p></span></font></p>
<h3 style='margin:0cm;margin-bottom:.0001pt'><b><font size=2 face=Arial><span
lang=SV style='font-size:10.0pt;font-family:Arial'>___________________________________</span></font></b><font
face=Arial><span lang=SV style='font-family:Arial'><o:p></o:p></span></font></h3>
<h3 style='margin:0cm;margin-bottom:.0001pt'><b><font size=3 face=Arial><span
lang=SV style='font-size:12.0pt;font-family:Arial'>Johan Hallgren</span></font></b><font
face=Arial><span lang=SV style='font-family:Arial'><o:p></o:p></span></font></h3>
<div>
<p class=MsoNormal><font size=2 face=Arial><span lang=SV style='font-size:10.0pt;
font-family:Arial'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=1 face=Arial><span lang=SV style='font-size:9.0pt;
font-family:Arial'>WM-data</span></font><font size=2 face=Arial><span lang=SV
style='font-size:10.0pt;font-family:Arial'><o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=1 face=Arial><span lang=SV style='font-size:9.0pt;
font-family:Arial'>Pelle Bergs backe 3</span></font><font size=2 face=Arial><span
lang=SV style='font-size:10.0pt;font-family:Arial'><o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=1 face=Arial><span lang=SV style='font-size:9.0pt;
font-family:Arial'>Box 1938, 791 19 Falun</span></font><font size=2
face=Arial><span lang=SV style='font-size:10.0pt;font-family:Arial'><o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=1 face=Arial><span lang=SV style='font-size:9.0pt;
font-family:Arial'>Tel (och mobil): 023-547 46 (int: +46-2354746)</span></font><font
size=2 face=Arial><span lang=SV style='font-size:10.0pt;font-family:Arial'><o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><u><font size=1 color=blue face=Arial><span lang=SV
style='font-size:9.0pt;font-family:Arial;color:blue'>johan.e.hallgren</span></font></u><font
size=1 face=Arial><span lang=SV style='font-size:9.0pt;font-family:Arial'><a
href="BLOCKED::mailto:johan.e.hallgren@wmdata.com" target="_blank"
title="mailto:johan.e.hallgren@wmdata.com">@wmdata.com</a></span></font><font
size=2 face=Arial><span lang=SV style='font-size:10.0pt;font-family:Arial'><o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=1 face=Arial><span lang=SV style='font-size:9.0pt;
font-family:Arial'><a
href="BLOCKED::/exchweb/bin/redir.asp?URL=http://www.wmdata.se/" target="_blank"
title="/exchweb/bin/redir.asp?URL=http://www.wmdata.se/">http://www.wmdata.se</a></span></font><font
size=2 face=Arial><span lang=SV style='font-size:10.0pt;font-family:Arial'><o:p></o:p></span></font></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span lang=SV
style='font-size:12.0pt'><o:p> </o:p></span></font></p>
</div>
</body>
</html>