FdoExpressionEngineFunctionCollection* FdoRdbmsSelectCommand::GetUserDefinedFunctions( FdoSmLpSpatialContextCollection *scColl, FdoClassDefinition *classDef )
{
// Length2D and Area2D require to pass in the 'geodetic' flag.
// Check the associated coordinate system. In case it is geodetic, create a custom function.
FdoPtr<FdoExpressionEngineFunctionCollection> userDefinedFunctions;
if (classDef->GetClassType() == FdoClassType_FeatureClass)
{
FdoPtr<FdoGeometricPropertyDefinition> gpd = ((FdoFeatureClass*)classDef)->GetGeometryProperty();
if ( gpd )
{
FdoStringP scname = gpd->GetSpatialContextAssociation();
if ( scname.GetLength() != 0 )
{
FdoSmLpSpatialContextP sc = scColl->FindItem( scname );
FdoStringP wkt = sc->GetCoordinateSystemWkt();
if ( wkt.Contains( L"PROJCS" ) )
; // do nothing
else if ( wkt.Contains( L"GEOGCS" ) )
{
userDefinedFunctions = FdoExpressionEngineFunctionCollection::Create();
userDefinedFunctions->Add( FdoFunctionLength2D::Create(true));
userDefinedFunctions->Add( FdoFunctionArea2D::Create(true));
}
}
}
}
return FDO_SAFE_ADDREF(userDefinedFunctions.p);
}
void OdbcConnectionUtil::CleanFiles(FdoStringCollection* files, FdoStringP& pTypeName)
{
try
{
FdoString* pTypeNamecst = pTypeName;
size_t lng = pTypeName.GetLength();
size_t count = files->GetCount();
for (size_t i = 0; i < count; i++)
{
FdoStringP name = files->GetString(i);
if (lng != name.GetLength())
{
if (name.Contains(pTypeName))
FdoCommonFile::Delete (name, true);
}
}
}
catch(...){}
}