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<p class=MsoNormal>Hello List,<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>When I try to get spatial extent of a DGN feature class, I
get the below exception:<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>“Unsupported aggregate operation.<o:p></o:p></p>
<p class=MsoNormal> at
OSGeo.FDO.Commands.Feature.ISelectAggregatesImp.Execute()”<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>This is the aggregate function I used:<o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";
color:#2B91AF'>ComputedIdentifier</span><span style='font-size:10.0pt;
font-family:"Courier New"'> computedIdentifier = (<span style='color:#2B91AF'>ComputedIdentifier</span>)<span
style='color:#2B91AF'>Expression</span>.Parse(<span style='color:#A31515'>"(SpatialExtents("</span>
+ geometryColumnName + <span style='color:#A31515'>") as
spatial_extent)"</span>);<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p>
<p class=MsoNormal>Can somebody please let me know if this is a known issue? If
not, is there a workaround?<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Thanks,<o:p></o:p></p>
<p class=MsoNormal>Ela.<o:p></o:p></p>
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