void CGwsPreparedFeatureQuery::PrepareInternal ()
{
CGwsFdoCommand::PrepareNonKeyProperties ();
if(m_selectList->GetCount() > 0)
{
//add in the select ilst, along with the identity properties, revision number
WSTRARRAY strNames;
bool bFoundRevision = false;
for (FdoInt32 idx = 0; m_identity != NULL && idx < m_identity->GetCount(); idx ++)
{
FdoPtr<FdoDataPropertyDefinition> pPropdef = m_identity->GetItem(idx);
FdoString* pName = pPropdef->GetName();
bool bFound = false;
for (int i = 0; i < m_selectList->GetCount(); i++)
{
FdoPtr<FdoIdentifier> selProp = m_selectList->GetItem(i);
FdoString * selectName = selProp->GetName();
if(wcscmp(pName,selectName) == 0)
bFound = true;
if(idx==0 && wcscmp(m_revisionprop.c_str (), selectName) == 0)
bFoundRevision = true;
}
if(!bFound)
strNames.push_back(pName);
}
if(!bFoundRevision && !m_revisionprop.empty())
strNames.push_back(m_revisionprop.c_str());
FdoPtr<FdoIdentifierCollection> lst = ((FdoIBaseSelect*)m_pCommand.p)->GetPropertyNames();
if (lst != NULL)
{
lst->Clear();
if(!m_bIsSelectDistinct)
{
//add identity properties
for (unsigned int i = 0; i < strNames.size(); i++)
{
FdoPtr<FdoIdentifier> pIdent = FdoIdentifier::Create (strNames[i].c_str());
lst->Add(pIdent);
}
}
for (int i = 0; i < m_selectList->GetCount(); i++)
{
FdoPtr<FdoIdentifier> pIdent = m_selectList->GetItem(i);
lst->Add(pIdent);
}
}
}
}
void CGwsQueryResultDescriptors::appendPropertyNames (
FdoIdentifierCollection * propnamestoadd,
FdoClassDefinition * classDef,
FdoStringCollection * propnames,
std::vector<CGwsPropertyDesc> & propdsc
)
{
FdoPtr<FdoPropertyDefinitionCollection> properties;
FdoPtr<FdoClassDefinition> baseClass = classDef->GetBaseClass ();
if (baseClass != NULL) {
appendPropertyNames (propnamestoadd, baseClass, propnames, propdsc);
}
properties = classDef->GetProperties ();
if (properties == NULL)
return;
for (int i = 0; i < properties->GetCount (); i ++) {
FdoPtr<FdoPropertyDefinition> pFdoProperty = properties->GetItem (i);
if (propnamestoadd == NULL ||
propnamestoadd->IndexOf (pFdoProperty->GetName ()) >= 0)
pushPropDefinition (pFdoProperty, propnames,propdsc);
}
}
void GwsBinaryFeatureWriter::WriteAssociationProperty(FdoAssociationPropertyDefinition* apd,
FdoIFeatureReader* reader)
{
if( apd->GetIsReadOnly() )
return;
FdoPtr<FdoDataPropertyDefinitionCollection> idents = apd->GetIdentityProperties();
if( idents->GetCount() == 0 )
{
// Search for property values with names build from the association property name and the
// associated class identity properties. For example if the associated class identifier is "Id" and the
// association property name is "AssocProp", then we should search for a property value with
// name: "AssocProp.Id". If that property value is found and set, then that means an association
// exists between the new object(we are about to insert) and the object identified by the value
// of the property value(AssocProp.Id)
FdoPtr<FdoClassDefinition> cls = apd->GetAssociatedClass();
idents = cls->GetIdentityProperties();
}
if( reader->IsNull( apd->GetName() ) )
return;
FdoPtr<FdoIFeatureReader> loc_reader = reader->GetFeatureObject( apd->GetName() );
if( ! loc_reader->ReadNext() )
return;
for(int i=0; i<idents->GetCount(); i++ )
{
FdoPtr<FdoDataPropertyDefinition> prop = idents->GetItem( i );
if( ! loc_reader->IsNull( prop->GetName() ) )
WriteProperty( prop, loc_reader);
}
}
void FdoImportExportTest::Test8 ()
{
try {
FdoIoStreamP configStream = FdoIoMemoryStream::Create();
CreateConfigBadWkt( configStream );
// Test 8 tries adding a spatial context whose WKT differs
// from what Oracle defines for its coordinate system.
// This test should fail for Oracle and pass for the others.
printf( "Test8 (junk WKT) ... \n" );
printf( "\tOpening Source Connection ... \n" );
FdoPtr<FdoIConnection> connection = UnitTestUtil::CreateConnection(
true,
true,
DB_NAME_SRC_SUFFIX,
NULL,
NULL,
0
);
FdoPtr<FdoIConnectionCapabilities> cap = connection->GetConnectionCapabilities();
// Import from the input XML document
printf( "\tImporting ...\n" );
Import(
connection,
configStream,
NULL,
true,
false
);
FdoPtr<FdoIGetSpatialContexts> cmd = (FdoIGetSpatialContexts*) connection->CreateCommand( FdoCommandType_GetSpatialContexts );
cmd->SetActiveOnly(false);
FdoPtr<FdoISpatialContextReader> reader = cmd->Execute();
while ( reader->ReadNext() ) {
// Skip default spatial context if not writing it.
if ( wcscmp(reader->GetName(), L"Manhole1") == 0 ) {
if ( cap->SupportsCSysWKTFromCSysName() )
CPPUNIT_ASSERT( wcscmp(reader->GetCoordinateSystemWkt(), L"LOCAL_CS [ \"Non-Earth (Meter)\", LOCAL_DATUM [\"Local Datum\", 0], UNIT [\"Meter\", 1.0], AXIS [\"X\", EAST], AXIS[\"Y\", NORTH]]") == 0 );
else
CPPUNIT_ASSERT( wcscmp(reader->GetCoordinateSystemWkt(), L"nonsense wkt") == 0 );
}
}
}
catch ( FdoException* e )
{
UnitTestUtil::FailOnException( e );
}
printf( "Done\n" );
}
bool GwsCommonFdoUtils::GetGeometryName (FdoClassDefinition *pClassDef, std::wstring &name)
{
if(pClassDef == NULL)
return false;
if(pClassDef->GetClassType() == FdoClassType_FeatureClass)
{
FdoFeatureClass* pFeatClass = dynamic_cast<FdoFeatureClass*>(pClassDef);
if(!pFeatClass)
{
assert(false);
return false;
}
FdoPtr<FdoGeometricPropertyDefinition> pgDef = pFeatClass->GetGeometryProperty();
if (pgDef != NULL) {
name = pgDef->GetName();
return true;
}
}
FdoInt32 idx;
FdoPtr<FdoClassDefinition> classDef = pClassDef;
FDO_SAFE_ADDREF(pClassDef);
for (; classDef != NULL ; classDef = classDef->GetBaseClass ())
{
FdoPtr<FdoPropertyDefinitionCollection> propdsc = classDef->GetProperties ();
// discover geometric property name. Use the first one if there are many.
for (idx = 0; idx < propdsc->GetCount(); idx ++) {
FdoPtr<FdoPropertyDefinition> prop;
prop = propdsc->GetItem(idx);
if (prop->GetPropertyType () == FdoPropertyType_GeometricProperty)
{
name = prop->GetName ();
return true;
}
}
}
return false;
}
WSTR GwsCommonFdoUtils::GetRevisionProperty (FdoClassDefinition * classdef)
{
WSTR revision;
// discover revision property. Revision property is defined
// for a given class
FdoPtr<FdoReadOnlyPropertyDefinitionCollection> pBaseProperties = classdef->GetBaseProperties();
// See if property with this name already exists:
for (int idx=0; pBaseProperties != NULL && idx < pBaseProperties->GetCount(); idx++)
{
FdoPtr<FdoPropertyDefinition> pBaseProperty;
pBaseProperty = (FdoPropertyDefinition*)pBaseProperties->GetItem(idx);
if (! _wcsicmp (pBaseProperty->GetName(), REVISIONNUMBER_PROPNAME))
{
revision = pBaseProperty->GetName();
break;
}
}
return revision;
}
EGwsStatus GwsCommonFdoUtils::DescribeSC (
FdoIConnection * conn,
FdoString * scname,
GwsSpatialContextDescription & scdesc
)
{
FdoPtr<FdoIGetSpatialContexts> cmd;
FdoPtr<FdoISpatialContextReader> reader;
scdesc.SetClassName (GWSQualifiedName ());
scdesc.SetPropertyName (NULL);
scdesc.SetSpatialContextName (NULL);
scdesc.SetSpatialContextDesc (NULL);
scdesc.SetCsNameWkt (NULL);
if (scname == NULL || * scname == 0)
return eGwsOk;
try {
cmd = (FdoIGetSpatialContexts *) conn->CreateCommand (FdoCommandType_GetSpatialContexts);
reader = cmd->Execute ();
while (reader->ReadNext ()) {
if (wcscmp (reader->GetName (), scname) == 0) {
FdoString * cswkt = reader->GetCoordinateSystemWkt ();
FdoString * desc = reader->GetDescription ();
double xytol = reader->GetXYTolerance();
scdesc.SetCsNameWkt (cswkt);
scdesc.SetSpatialContextDesc (desc);
scdesc.SetSpatialContextName (scname);
scdesc.SetXYTolerance(xytol);
FdoPtr<FdoByteArray> pByteArray = reader->GetExtent();
if (pByteArray) {
FdoPtr<FdoFgfGeometryFactory> pAwkbFactory = FdoFgfGeometryFactory::GetInstance();
FdoPtr<FdoIGeometry> pGeometry = pAwkbFactory->CreateGeometryFromFgf(pByteArray);
FdoPtr<FdoIEnvelope> pEnvelope = pGeometry->GetEnvelope();
scdesc.SetExtents (pEnvelope);
}
return eGwsOk;
}
}
return eGwsSCNotFound;
} catch (FdoException * fdoEx) {
fdoEx->Release ();
}
// in case when exception thrown, assume that sc are not
// supported.
return eGwsNotSupported;
}
bool GwsBinaryFeatureWriter::WriteAssociationProperty(FdoAssociationPropertyDefinition* apd,
FdoPropertyValueCollection* pvc)
{
bool errorIfSet = apd->GetIsReadOnly();
bool oneIdentIsNull = false;
bool written = false;
FdoPtr<FdoDataPropertyDefinitionCollection> idents = apd->GetIdentityProperties();
if( idents->GetCount() == 0 )
{
// Search for property values with names build from the association property name and the
// associated class identity properties. For example if the associated class identifier is "Id" and the
// association property name is "AssocProp", then we should search for a property value with
// name: "AssocProp.Id". If that property value is found and set, then that means an association
// exists between the new object(we are about to insert) and the object identified by the value
// of the property value(AssocProp.Id)
FdoPtr<FdoClassDefinition> cls = apd->GetAssociatedClass();
idents = cls->GetIdentityProperties();
}
for(int i=0; i<idents->GetCount(); i++ )
{
FdoPtr<FdoDataPropertyDefinition> prop = idents->GetItem( i );
std::wstring wstr = apd->GetName();
wstr += L".";
wstr += prop->GetName();
FdoPtr<FdoPropertyValue> pv = pvc->FindItem( wstr.c_str() );
if(pv != NULL)
{
if( errorIfSet )
GWS_THROW(eGwsFailed); //cannot add readonly association property value
if( oneIdentIsNull )
GWS_THROW(eGwsFailed); //one of the identity properties is null
WriteProperty(prop, pv, true);
written = true;
oneIdentIsNull = false;
}
else
{
if( written ) // we already written one or more identity and this one is null
GWS_THROW(eGwsFailed);
oneIdentIsNull = true;
}
}
return written;
}
void CGwsFlatGwsIterator::DescribeFeature(IGWSExtendedFeatureDescription ** ppResDesc)
{
if (ppResDesc == NULL)
GWS_THROW (eGwsNullPointer);
if (m_fdsc == NULL) {
FdoPtr<FdoClassDefinition> classDef = GetClassDefinition ();
CGwsQueryResultDescriptors * resdsc =
new CGwsQueryResultDescriptors (classDef, classDef->GetName (), NULL, NULL, true, NULL);
resdsc->AddRef ();
m_fdsc = resdsc;
}
* ppResDesc = m_fdsc;
if (* ppResDesc)
(* ppResDesc)->AddRef ();
}
void MgServerGetFeatureProviders::CreateFeatureProvidersDocument()
{
CHECKNULL(m_fdoProviderCol, L"MgServerGetFeatureProviders.CreateFeatureProvidersDocument");
INT32 cnt = m_fdoProviderCol->GetCount();
for (INT32 i = 0; i < cnt; i++)
{
FdoPtr<FdoProvider> fdoProvider = m_fdoProviderCol->GetItem(i);
// Get ProviderName
FdoString* providerName = fdoProvider->GetName();
const char *name = MgUtil::WideCharToMultiByte(providerName);
const char *dispname = MgUtil::WideCharToMultiByte(fdoProvider->GetDisplayName());
const char *description = MgUtil::WideCharToMultiByte(fdoProvider->GetDescription());
const char *version = MgUtil::WideCharToMultiByte(fdoProvider->GetVersion());
const char *fdoversion = MgUtil::WideCharToMultiByte(fdoProvider->GetFeatureDataObjectsVersion());
// Add Feature Provider element
DOMElement* rootElem = m_xmlUtil->GetRootNode();
DOMElement* featureProviderElem = m_xmlUtil->AddChildNode(rootElem, "FeatureProvider" /* NOXLATE */);
// Add Provider Name
m_xmlUtil->AddTextNode(featureProviderElem, "Name" /* NOXLATE */, name);
// Display Name
m_xmlUtil->AddTextNode(featureProviderElem, "DisplayName" /* NOXLATE */, dispname);
// Description
m_xmlUtil->AddTextNode(featureProviderElem, "Description" /* NOXLATE */, description);
// Version
m_xmlUtil->AddTextNode(featureProviderElem, "Version" /* NOXLATE */, version);
// FDO version
m_xmlUtil->AddTextNode(featureProviderElem, "FeatureDataObjectsVersion" /* NOXLATE */, fdoversion);
delete[] name;
delete[] dispname;
delete[] description;
delete[] version;
delete[] fdoversion;
AddConnectionProperties(featureProviderElem, providerName);
}
}
void SpatialContextTest::testXmlNesting()
{
try {
// Create an XML document with Spatial Contexts nested 2 levels down from
// root element.
FdoIoMemoryStreamP stream = FdoIoMemoryStream::Create();
FdoXmlWriterP writer = FdoXmlWriter::Create( stream );
// Create 2 Level1 elements under the root element.
writer->WriteStartElement( L"Level1" );
writer->WriteStartElement( L"Level2" );
writer->WriteEndElement();
writer->WriteStartElement( L"Level2" );
writer->WriteEndElement();
writer->WriteEndElement();
// The Spatial Contexts are under the second Level1 element.
writer->WriteStartElement( L"Level1" );
// Mix them up with some other elements that should be skipped.
writer->WriteStartElement( L"Level2" );
writer->WriteEndElement();
FdoXmlSpatialContextWriterP SCWriter =
FdoXmlSpatialContextWriter::Create( writer );
SCWriter->SetName( L"Embedded1" );
FdoByteArray* extent = SerializeExtent( 0, 0, 15000, 10000 );
SCWriter->SetExtent( extent );
extent->Release();
SCWriter->WriteSpatialContext();
SCWriter = NULL;
writer->WriteStartElement( L"Level2" );
writer->WriteEndElement();
SCWriter =
FdoXmlSpatialContextWriter::Create( writer );
SCWriter->SetName( L"Embedded2" );
extent = SerializeExtent( 0, 0, 15000, 10000 );
SCWriter->SetExtent( extent );
extent->Release();
SCWriter->WriteSpatialContext();
SCWriter = NULL;
writer->WriteStartElement( L"Level2" );
writer->WriteEndElement();
writer = NULL;
stream->Reset();
FdoIoFileStreamP fileStream = FdoIoFileStream::Create( L"sc_nested.xml", L"w+");
XmlFormatter formatter1(stream, fileStream);
formatter1.Format();
stream->Reset();
FdoPtr<NestedReader> reader = NestedReader::Create(stream);
// Read the spatial contexts. Should get both of them
reader->ReadNext();
FDO_CPPUNIT_ASSERT( wcscmp(reader->GetName(), L"Embedded1") == 0 );
reader->ReadNext();
FDO_CPPUNIT_ASSERT( wcscmp(reader->GetName(), L"Embedded2") == 0 );
// Shouldn't be any more spatial contexts at this point.
FDO_CPPUNIT_ASSERT( reader->ReadNext() == false );
}
catch ( FdoException* e ) {
UnitTestUtil::FailOnException( e );
}
}
EGwsStatus CGwsFdoInsertCommand::Execute (CGwsMutableFeature & feat)
{
Clear ();
EGwsStatus fdoes = eGwsOk;
if(!m_bIsPrepared) {
PushStatus (eGwsFdoCommandIsNotPrepared);
return eGwsFdoCommandIsNotPrepared;
}
try
{
GetPropertyValues (); // initialize property value collection
eGwsOkThrow(SetProperties (feat, true)) ;
FdoPtr<FdoIFeatureReader> pReader = ((FdoIInsert*)m_pCommand.p)->Execute();
//!FDO may return null pointer even if the command succeed. So remove the following assert.
//assert (pReader != NULL);
// Read assigned Id
if( pReader != NULL )
{
if (pReader->ReadNext()) {
// Read the key of just inserted record
//
CGwsDataValueCollection * keyvals = NULL;
for (FdoInt32 idx = 0; m_identity != NULL && idx < m_identity->GetCount (); idx ++) {
FdoPtr<FdoDataPropertyDefinition> keyprop =
m_identity->GetItem (idx);
FdoPtr<FdoDataValue> val =
GwsQueryUtils::GetDataPropertyValue (pReader,
keyprop->GetDataType (),
keyprop->GetName ());
if (val == NULL)
continue;
if (keyvals == NULL)
keyvals = (CGwsDataValueCollection *) CGwsDataValueCollection::Create ();
keyvals->Add (val);
feat.SetValue (keyprop->GetName (),val);
}
#ifdef OBJECT_PROPERTIES
//insert object property values that were cached in SetProperties()
if(!m_objPropNames.empty())
{
//Get object property class instance array that was cached in SetProperties()
int numProps = m_objPropNames.size();
for( int i = 0; i<numProps; i++)
{
const std::wstring strPropName = m_objPropNames[i];
const std::wstring objectClassName =
acmapFdoUtils::constructObjectClassName(aTOw(m_classname.Class()),strPropName.c_str());
//get the object property values
AcMapFdoFeatureIterator* featIter = NULL;
eGwsOkThrow(feature.GetFeature(wTOa(strPropName.c_str()),featIter));
assert(featIter != NULL);
//insert the primary keys of the parent feature and the object property values
eGwsOkThrow(InsertObjectProperties(objectClassName.c_str(), valList, featIter));
}
}
#endif
// long ver;
// Read sequence number
if (!m_revisionprop.empty()) {
FdoInt32 revnum = pReader->GetInt32 (m_revisionprop.c_str ());
feat.SetRevisionNumber (revnum);
}
feat.SetFeatureId (GWSFeatureId (keyvals));
}
pReader->Close();
}
} catch(FdoException *e) {
PushFdoException (eGwsFailedToExecuteCommand, e);
e->Release();
fdoes = eGwsFailedToExecuteCommand;
} catch(EGwsStatus es) {
PushStatus (es);
fdoes = es;
}
ReleasePropertyValues (); // releases property value collection
return fdoes;
}
FdoXmlLpSchemaCollection* FdoXmlSchemaManager::_schemas() {
if (m_lpSchemas == NULL) {
m_lpSchemas = FdoXmlLpSchemaCollection::Create(this);
FdoInt32 count = m_fdoSchemas->GetCount();
FdoPtr<FdoPhysicalSchemaMappingCollection> mappings = m_flags->GetSchemaMappings();
if ( mappings == NULL )
mappings = m_fdoSchemas->GetXmlSchemaMappings();
FdoInt32 count1 = mappings->GetCount();
FdoPtr<FdoXmlSchemaMapping> tempXmlMapping = FdoXmlSchemaMapping::Create(L"temp");
for (int i = 0; i < count; i++) {
FdoPtr<FdoFeatureSchema> schema = m_fdoSchemas->GetItem(i);
FdoPtr<FdoXmlSchemaMapping> mapping = static_cast<FdoXmlSchemaMapping*>(mappings->GetItem(tempXmlMapping->GetProvider(), schema->GetName()));
FdoPtr<FdoXmlLpSchema> lpSchema = FdoXmlLpSchema::Create(schema, mapping);
m_lpSchemas->Add(lpSchema);
}
}
return m_lpSchemas.p;
}
//serializes a collection of property values into a byte array
//This function differs from WriteFeature() in that
//it will merge property values specified in the given PropertyValueCollection
//with property values in the given FeatureReader. The PropertyValueCollection
//represents properties to be updated in an old feature record represented by
//the given FeatureReader.
void GwsBinaryFeatureWriter::WriteFeature(FdoClassDefinition* fc, FdoString* fcName,
FdoPropertyValueCollection* pvc,
FdoIFeatureReader* reader)
{
FdoPtr<FdoReadOnlyPropertyDefinitionCollection> bpdc = fc->GetBaseProperties();
FdoPtr<FdoPropertyDefinitionCollection> pdc = fc->GetProperties();
//find number of properties we will store into the data record
//we will use this number to save an offset into the data records for each property
//at the beginning of the data record
int numProps = bpdc->GetCount() + pdc->GetCount();// - idpdc->GetCount();
//now generate the data value -- write all property values, except for the ones
//we already wrote to the key -- we have to check if each one is in the ID prop
//collection
//write feature class ID
m_wrtr.WriteString(fcName);
int fcNameLen = m_wrtr.GetPosition();
//reserve space for offsets into property values in data record
for (int i=0; i<numProps; i++)
m_wrtr.WriteInt32(0);
int index = 0;
//base properties first
for (int i=0; i<bpdc->GetCount(); i++)
{
FdoPtr<FdoPropertyDefinition> pd = (FdoPropertyDefinition*)bpdc->GetItem(i);
//save offset of property data to the reserved position at the
//beginning of the record
//TODO: endian
((int*)(m_wrtr.GetData() + fcNameLen))[index++] = m_wrtr.GetPosition();
//if property is autogenerated, do not write
//anything. We use the record number as autogen property value
//so we can obtain it at read time
//if (!pi->IsPropAutoGen(pd->GetName()))
//{
if (pvc)
{
if( pd->GetPropertyType() == FdoPropertyType_AssociationProperty )
{
if( ! WriteAssociationProperty((FdoAssociationPropertyDefinition*)pd.p, pvc) )
WriteAssociationProperty((FdoAssociationPropertyDefinition*)pd.p, reader);
}
else
{
FdoPtr<FdoPropertyValue> pv((FdoPropertyValue*)pvc->FindItem(pd->GetName()));
if(pv != NULL)
WriteProperty(pd, pv);
else
WriteProperty(pd, reader);
}
}
else
{
WriteProperty(pd, reader);
}
//}
}
//class properties
for (int i=0; i<pdc->GetCount(); i++)
{
FdoPtr<FdoPropertyDefinition> pd = (FdoPropertyDefinition*)pdc->GetItem(i);
//save offset of property data to the reserved position at the
//beginning of the record
//TODO: endian
((int*)(m_wrtr.GetData() + fcNameLen))[index++] = m_wrtr.GetPosition();
//if property is autogenerated, do not write
//anything. We use the record number as autogen property value
//so we can obtain it at read time
//if (!pi->IsPropAutoGen(pd->GetName()))
//{
if (pvc)
{
if( pd->GetPropertyType() == FdoPropertyType_AssociationProperty )
{
if( ! WriteAssociationProperty((FdoAssociationPropertyDefinition*)pd.p, pvc) )
WriteAssociationProperty((FdoAssociationPropertyDefinition*)pd.p, reader);
}
else
{
FdoPtr<FdoPropertyValue> pv((FdoPropertyValue*)pvc->GetItem(pd->GetName()));
if(pv != NULL)
WriteProperty(pd, pv);
else
WriteProperty(pd, reader);
}
}
else
{
WriteProperty(pd, reader);
}
//}
}
}
FdoIFeatureReader *FdoRdbmsSelectCommand::Execute( bool distinct, FdoInt16 callerId )
{
if (!mConnection || !mFdoConnection || mFdoConnection->GetConnectionState() != FdoConnectionState_Open)
throw FdoCommandException::Create(NlsMsgGet(FDORDBMS_13, "Connection not established"));
// Flush out any outstanding modifications before selecting; so that the select
// sees a current picture of the RDBMS.
mIConnection->Flush();
int qid = -1;
bool res = false;
bool delStatement = true;
GdbiStatement* statement = NULL;
const FdoSmLpClassDefinition *classDefinition = mConnection->GetSchemaUtil()->GetClass(this->GetClassNameRef()->GetText());
bool isFeatureClass = ( classDefinition != NULL && classDefinition->GetClassType() == FdoClassType_FeatureClass );
bool isForUpdate = HasLobProperty( classDefinition );
bool doNotUseSimpleSelect = mHasObjectProps && (mIdentifiers == NULL || mIdentifiers->GetCount() == 0);
try
{
// for now we support only select with joins
if (callerId == (FdoInt16)FdoCommandType_Select && !doNotUseSimpleSelect && !mHasObjectProps)
{
FdoPtr<FdoRdbmsSqlBuilder> sqlBuilder = mFdoConnection->GetSqlBuilder();
if (sqlBuilder)
{
std::vector<NameOrderingPair> ordering;
FdoPtr<FdoParameterValueCollection> params = GetParameterValues();
FdoPtr<FdoJoinCriteriaCollection> jcColl = GetJoinCriteria();
sqlBuilder->SetParameterValues(params);
if (mOrderingIdentifiers && mOrderingIdentifiers->GetCount())
{
for (int i=0; i<mOrderingIdentifiers->GetCount(); i++)
{
FdoPtr<FdoIdentifier> id = mOrderingIdentifiers->GetItem(i);
ordering.push_back(NameOrderingPair(id.p, ((int)mOrderingOptions.size() != mOrderingIdentifiers->GetCount()) ? mOrderingOption : mOrderingOptions[id->GetName()]));
}
}
FdoString* sqlString = sqlBuilder->ToSelectSqlString(GetClassNameRef(), mAliasName, GetFilterRef(), mIdentifiers, ordering, jcColl);
if (sqlString != NULL && *sqlString != '\0')
{
statement = mConnection->GetGdbiConnection()->Prepare( sqlString );
std::vector< std::pair< FdoLiteralValue*, FdoInt64 > >* paramsUsed = sqlBuilder->GetUsedParameterValues();
if (paramsUsed != NULL && paramsUsed->size())
{
if (mBindParamsHelper == NULL)
mBindParamsHelper = new FdoRdbmsPropBindHelper(mConn);
mBindParamsHelper->BindParameters(statement, paramsUsed);
}
GdbiQueryResult *queryRslt = statement->ExecuteQuery();
delete statement;
if (mBindParamsHelper != NULL)
mBindParamsHelper->Clear();
// statement will be deleted in the reader.
delStatement = false;
return FdoRdbmsSimpleFeatureReader::Create(mFdoConnection, queryRslt, isFeatureClass, classDefinition, NULL, mIdentifiers);
}
}
}
FdoPtr<FdoRdbmsFilterProcessor>flterProcessor = mFdoConnection->GetFilterProcessor();
FdoPtr<FdoParameterValueCollection> params = GetParameterValues();
flterProcessor->SetParameterValues(params);
FdoRdbmsFilterUtilConstrainDef filterConstrain;
filterConstrain.distinct = distinct;
filterConstrain.orderingOption = mOrderingOption;
filterConstrain.selectedProperties = mIdentifiers;
filterConstrain.groupByProperties = mGroupingCol;
filterConstrain.orderByProperties = mOrderingIdentifiers;
// Verify if this is a special case we can optimize (no filter, no grouping filter,
// and only aggregate functions Count() and/or SpatialExtents())
FdoRdbmsFeatureReader *reader = GetOptimizedFeatureReader( classDefinition );
if ( reader )
return reader;
// FDO supports expression functions that may not have native support in the
// underlying system. If this is the case then the request has to be handled
// by the Expression Engine.
bool isValidFilter = true,
isValidSelectList = true;
if ( this->GetFilterRef() != NULL )
isValidFilter = flterProcessor->IsValidExpression( this->GetFilterRef() );
isValidSelectList = flterProcessor->IsValidExpression( mIdentifiers );
if ( ( !isValidFilter ) || ( !isValidSelectList ) )
{
// Either the selected property list of the the filter is invalid. In any case
// create a SQL statement that selects all properties for the current class.
// If the filter is valid it is used to narrow the selected amount of data.
FdoString *sqlStatement =
flterProcessor->FilterToSql( ((isValidFilter)
? this->GetFilterRef()
: NULL),
this->GetClassNameRef()->GetText() );
GdbiQueryResult *queryRslt = mConnection->GetGdbiConnection()->ExecuteQuery( sqlStatement );
FdoPtr<FdoIFeatureReader> featureReader = new FdoRdbmsFeatureReader( mFdoConnection,
queryRslt,
isFeatureClass,
classDefinition,
NULL,
NULL,
0,
NULL );
// The Expression Engine cannot work with the class definition of type
// "FdoSmLpClassDefinition". Instead it is necessary to get the corresponding
// definition of type "FdoClassDefinition". This is done next.
const FdoSmLpSchema* schema = mConnection->GetSchema( this->GetClassNameRef()->GetText() );
FdoFeatureSchemasP fdoFeatureSchemas = mFdoConnection->GetSchemaManager()->GetFdoSchemas( schema->GetName() );
FdoClassesP classCol = (FdoClassCollection *)fdoFeatureSchemas->FindClass( this->GetClassNameRef()->GetText() );
FdoClassDefinitionP classDef = classCol->GetItem(0);
// Create the collection of custom functions.
FdoSmLpSchemasP schemas = ((FdoSmLpSchema *) schema)->GetSchemas();
FdoExpressionEngineFunctionCollection *userDefinedFunctions = GetUserDefinedFunctions( schemas->GetSpatialContextMgr()->GetSpatialContexts(), classDef );
return FdoExpressionEngineUtilFeatureReader::Create(
classDef,
featureReader,
this->GetFilterRef(),
mIdentifiers,
userDefinedFunctions);
}
// The selected properties and the filter are both valid. Do the normal processing.
// Validate the filter
if ( this->GetFilterRef() != NULL )
{
FdoPtr<FdoIFilterCapabilities> filterCaps = mFdoConnection->GetFilterCapabilities();
FdoExpressionEngine::ValidateFilter( NULL, this->GetFilterRef(), NULL, filterCaps);
}
// Call FilterToSql just to populate the filter's list of geometric conditions;
FdoString * sqlString = flterProcessor->FilterToSql( this->GetFilterRef(),
this->GetClassNameRef()->GetText(),
SqlCommandType_Select,
FdoCommandType_Select,
&filterConstrain,
isForUpdate,
callerId );
FdoPtr<FdoRdbmsFilterProcessor::BoundGeometryCollection> boundGeometries = flterProcessor->GetBoundGeometryValues();
FdoPtr<FdoRdbmsSecondarySpatialFilterCollection> geometricConditions = flterProcessor->GetGeometricConditions();
vector<int> * logicalOps = flterProcessor->GetFilterLogicalOps();
FdoPtr<FdoIdentifierCollection> idsWithGeoms = FdoIdentifierCollection::Create();
if (( mIdentifiers && mIdentifiers->GetCount() > 0) )
{
// Make sure that the properties are listed for any geometric conditions that require secondary filtering.
if (geometricConditions != NULL)
{
for (FdoInt32 i=0; i < geometricConditions->GetCount(); i++)
{
FdoPtr<FdoRdbmsSpatialSecondaryFilter> ssf = geometricConditions->GetItem(i);
FdoString * ssfPropertyName = ssf->GetPropertyName();
FdoPtr<FdoIdentifier> ssfId = mIdentifiers->FindItem(ssfPropertyName);
if (ssfId == NULL)
{
// Property wasn't selected by the caller.
ssfId = FdoIdentifier::Create(ssfPropertyName);
idsWithGeoms->Add(ssfId);
}
}
// Convert to SQL again if we added geometric properties.
if (idsWithGeoms->GetCount() > 0)
{
// Make our own copy of the original list, to avoid a side effect of changing
// mIdentifiers, which the user can effectively see. Perserve original order,
// effectively creating a new list that appends the geometry names.
for (FdoInt32 i = mIdentifiers->GetCount()-1; i >= 0; i--)
{
FdoPtr<FdoIdentifier> id = mIdentifiers->GetItem(i);
idsWithGeoms->Insert(0, id);
}
filterConstrain.selectedProperties = idsWithGeoms;
sqlString = flterProcessor->FilterToSql( this->GetFilterRef(),
this->GetClassNameRef()->GetText(),
SqlCommandType_Select,
FdoCommandType_Select,
&filterConstrain,
isForUpdate,
callerId );
}
}
if (callerId == FdoCommandType_SelectAggregates)
{
FdoSchemaManagerP pschemaManager = mConnection->GetSchemaUtil()->GetSchemaManager();
FdoPtr<FdoFeatureSchemaCollection> schemas = pschemaManager->GetFdoSchemas(L"");
FdoPtr<FdoCommonExpressionExecutor> expVer = FdoCommonExpressionExecutor::Create(schemas, GetClassNameRef());
FdoPtr<FdoIExpressionCapabilities> expCap = mFdoConnection->GetExpressionCapabilities();
expVer->ValidateIdentifiers(mIdentifiers, expCap);
}
}
statement = mConnection->GetGdbiConnection()->Prepare( sqlString );
std::vector< std::pair< FdoLiteralValue*, FdoInt64 > >* paramsUsed = flterProcessor->GetUsedParameterValues();
if (paramsUsed != NULL && paramsUsed->size())
{
if (mBindParamsHelper == NULL)
mBindParamsHelper = new FdoRdbmsPropBindHelper(mConn);
mBindParamsHelper->BindParameters(statement, paramsUsed);
}
GdbiQueryResult *queryRslt = statement->ExecuteQuery();
delete statement;
if (mBindParamsHelper != NULL)
mBindParamsHelper->Clear();
// statement will be deleted in the reader.
delStatement = false;
// For now only SQL Spatial Server supports SupportsSimpleReader, later (after we add some unit tests) we can extend it to other providers
if (!flterProcessor->ContainsCustomObjects() && flterProcessor->SupportsSimpleReader() && geometricConditions == NULL && callerId == (FdoInt16)FdoCommandType_Select && !doNotUseSimpleSelect)
{
return FdoRdbmsSimpleFeatureReader::Create(mFdoConnection, queryRslt, isFeatureClass, classDefinition, NULL, mIdentifiers);
}
else
{
if (( mIdentifiers && mIdentifiers->GetCount() > 0))
return new FdoRdbmsFeatureSubsetReader (mFdoConnection, queryRslt, isFeatureClass, classDefinition, NULL, mIdentifiers, geometricConditions, logicalOps );
else
return new FdoRdbmsFeatureReader (mFdoConnection, queryRslt, isFeatureClass, classDefinition, NULL, NULL, 0, geometricConditions, logicalOps ); // The feature reader should free the queryRslt
}
}
catch (FdoCommandException *ex)
{
if (delStatement)
delete statement;
ex;
SELECT_CLEANUP;
throw;
}
catch (FdoException *ex)
{
if (delStatement)
delete statement;
SELECT_CLEANUP;
// Wrap in FdoPtr to remove original reference to original exception
throw FdoCommandException::Create(ex->GetExceptionMessage(), FdoPtr<FdoException>(ex), ex->GetNativeErrorCode());
}
catch ( ... )
{
if (delStatement)
delete statement;
SELECT_CLEANUP;
throw;
}
}
