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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Thanks a lot Greg<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>It works fine.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>With only one detail<o:p></o:p></span></p>
<p class=MsoPlainText style='text-indent:12.0pt'>queryPropertyName =
FdoComputedIdentifier::Create(L"AMOUNT", L"AREA *
LAND_VALUE"); <o:p></o:p></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>does not work directly<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>I used<o:p></o:p></span></p>
<p class=MsoPlainText style='text-indent:12.0pt'>queryPropertyName =
FdoComputedIdentifier::Create(L"AMOUNT", FdoExpression::Parse(L"AREA
* LAND_VALUE")); <o:p></o:p></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
mapguide-users-bounces@lists.osgeo.org
[mailto:mapguide-users-bounces@lists.osgeo.org] <b>On Behalf Of </b>Greg Boone<br>
<b>Sent:</b> mardi 6 février 2007 19:32<br>
<b>To:</b> MapGuide Users Mail List<br>
<b>Subject:</b> RE: [mapguide-users] How to select expression with the
FDOproviderforSDF<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>Actually, after consulting with other team members, you can achieve
the expected results using the FdoISelect command. <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>You need to use a computed identifier; try replace the "</span><span
style='font-size:10.0pt;font-family:"Arial","sans-serif"'>FdoIdentifier::Create("AREA
* LAND_VALUE");<span style='color:navy'>" with </span>FdoComputedIdentifier::Create(L"AMOUNT",L"AREA
* LAND_VALUE");<span style='color:navy'><o:p></o:p></span></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'><o:p> </o:p></span></p>
<p class=MsoPlainText>
FdoPtr<FdoISelect>
sampleSelect;<o:p></o:p></p>
<p class=MsoPlainText> FdoPtr<FdoIFeatureReader>
sampleFeatureReader;<o:p></o:p></p>
<p class=MsoPlainText> FdoPtr<FdoIdentifier>
queryPropertyName;<o:p></o:p></p>
<p class=MsoPlainText><o:p> </o:p></p>
<p class=MsoPlainText> sampleSelect =
(FdoISelect*)m_connection->CreateCommand(FdoCommandType_Select);<o:p></o:p></p>
<p class=MsoPlainText>
sampleSelect->SetFeatureClassName("Parcels");<o:p></o:p></p>
<p class=MsoPlainText><o:p> </o:p></p>
<p class=MsoPlainText> FdoPtr<FdoIdentifierCollection>
propertyCollection = sampleSelect->GetPropertyNames();<o:p></o:p></p>
<p class=MsoPlainText style='text-indent:12.0pt'>queryPropertyName =
FdoComputedIdentifier::Create(L"AMOUNT", L"AREA *
LAND_VALUE"); <o:p></o:p></p>
<p class=MsoPlainText style='text-indent:12.0pt'>propertyCollection->Add(queryPropertyName);<o:p></o:p></p>
<p class=MsoPlainText> sampleFeatureReader = sampleSelect->Execute();<o:p></o:p></p>
<p class=MsoPlainText> while (sampleFeatureReader->ReadNext() )<o:p></o:p></p>
<p class=MsoPlainText> {<o:p></o:p></p>
<p class=MsoPlainText> printf("(AREA *
LAND_VALUE) = %ls\n",
sampleFeatureReader->GetString(L"AMOUNT") );<o:p></o:p></p>
<p class=MsoPlainText> }<o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'><o:p> </o:p></span></p>
<div>
<div class=MsoNormal align=center style='text-align:center'>
<hr size=2 width="100%" align=center>
</div>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
mapguide-users-bounces@lists.osgeo.org
[mailto:mapguide-users-bounces@lists.osgeo.org] <b>On Behalf Of </b>Greg Boone<br>
<b>Sent:</b> Tuesday, February 06, 2007 10:09 AM<br>
<b>To:</b> MapGuide Users Mail List<br>
<b>Subject:</b> RE: [mapguide-users] How to select expression with the FDO
providerforSDF</span><o:p></o:p></p>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoPlainText>I believe you need to use the FDO SelectAggregates
command as generally outlined below….<o:p></o:p></p>
<p class=MsoPlainText><o:p> </o:p></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
font-family:"Courier New"'>FdoPtr<FdoIDataReader> myDataReader;<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;
font-family:"Courier New"'>FdoPtr<FdoISelectAggregates> selCmdAggreg;<o:p></o:p></span></p>
<p class=MsoPlainText><o:p> </o:p></p>
<p class=MsoPlainText>selCmdAggreg =
(FdoISelectAggregates*)mConnection->CreateCommand(
FdoCommandType_SelectAggregates );<o:p></o:p></p>
<p class=MsoPlainText>selCmdAggreg->SetFeatureClassName(L"ClassA");<o:p></o:p></p>
<p class=MsoPlainText>FdoPtr<FdoComputedIdentifier> cmpId =
(FdoComputedIdentifier*)FdoExpression::Parse(L"(PropertyA*PropertyB) AS
FunctionA");<o:p></o:p></p>
<p class=MsoPlainText>FdoPtr<FdoIdentifierCollection> idCol =
selCmdAggreg->GetPropertyNames();<o:p></o:p></p>
<p class=MsoPlainText>idCol->Add( cmpId );<o:p></o:p></p>
<p class=MsoPlainText>myDataReader = selCmdAggreg->Execute();<o:p></o:p></p>
<p class=MsoPlainText>while ( myDataReader->ReadNext() )<o:p></o:p></p>
<p class=MsoPlainText>{<o:p></o:p></p>
<p class=MsoPlainText> printf("(PropertyA*PropertyB) =
%ls\n", myDataReader->GetString(L"FunctionA") );<o:p></o:p></p>
<p class=MsoPlainText>}<o:p></o:p></p>
<p class=MsoPlainText><o:p> </o:p></p>
<p class=MsoPlainText><o:p> </o:p></p>
<p class=MsoPlainText>-----Original Message-----<br>
From: mapguide-users-bounces@lists.osgeo.org
[mailto:mapguide-users-bounces@lists.osgeo.org] On Behalf Of Bruno Scott<br>
Sent: Tuesday, February 06, 2007 5:50 AM<br>
To: mapguide-users@lists.osgeo.org<br>
Subject: [mapguide-users] How to select expression with the FDO provider forSDF<o:p></o:p></p>
<p class=MsoPlainText><o:p> </o:p></p>
<p class=MsoPlainText><o:p> </o:p></p>
<p class=MsoPlainText>I'm trying to select expression using the FDO provider
for SDF but it always<o:p></o:p></p>
<p class=MsoPlainText>return me errors<o:p></o:p></p>
<p class=MsoPlainText><o:p> </o:p></p>
<p class=MsoPlainText><o:p> </o:p></p>
<p class=MsoPlainText>This is my sample code<o:p></o:p></p>
<p class=MsoPlainText><o:p> </o:p></p>
<p class=MsoPlainText>
FdoPtr<FdoISelect>
sampleSelect;<o:p></o:p></p>
<p class=MsoPlainText> FdoPtr<FdoIFeatureReader>
sampleFeatureReader;<o:p></o:p></p>
<p class=MsoPlainText> FdoPtr<FdoIdentifier> queryPropertyName;<o:p></o:p></p>
<p class=MsoPlainText><o:p> </o:p></p>
<p class=MsoPlainText> sampleSelect = (FdoISelect<o:p></o:p></p>
<p class=MsoPlainText>*)m_connection->CreateCommand(FdoCommandType_Select);<o:p></o:p></p>
<p class=MsoPlainText> sampleSelect->SetFeatureClassName("Parcels");<o:p></o:p></p>
<p class=MsoPlainText><o:p> </o:p></p>
<p class=MsoPlainText> FdoPtr<FdoIdentifierCollection>
propertyCollection = <o:p></o:p></p>
<p class=MsoPlainText>sampleSelect->GetPropertyNames();<o:p></o:p></p>
<p class=MsoPlainText> queryPropertyName =
FdoIdentifier::Create("AREA * LAND_VALUE");<o:p></o:p></p>
<p class=MsoPlainText> propertyCollection->Add(queryPropertyName);<o:p></o:p></p>
<p class=MsoPlainText> sampleFeatureReader = sampleSelect->Execute();<o:p></o:p></p>
<p class=MsoPlainText><o:p> </o:p></p>
<p class=MsoPlainText>What am i doing wrong?<o:p></o:p></p>
<p class=MsoPlainText><o:p> </o:p></p>
<p class=MsoPlainText>Thanks<o:p></o:p></p>
<p class=MsoPlainText>Bruno Scott<o:p></o:p></p>
<p class=MsoPlainText>-- <o:p></o:p></p>
<p class=MsoPlainText>View this message in context:
http://www.nabble.com/How-to-select-expression-with-the-FDO-provider-for-SDF-tf3179976s16610.html#a8823998<o:p></o:p></p>
<p class=MsoPlainText>Sent from the MapGuide Users mailing list archive at
Nabble.com.<o:p></o:p></p>
<p class=MsoPlainText><o:p> </o:p></p>
<p class=MsoPlainText>_______________________________________________<o:p></o:p></p>
<p class=MsoPlainText>mapguide-users mailing list<o:p></o:p></p>
<p class=MsoPlainText>mapguide-users@lists.osgeo.org<o:p></o:p></p>
<p class=MsoPlainText>http://lists.osgeo.org/mailman/listinfo/mapguide-users<o:p></o:p></p>
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