Re-added ClearSource() which will only clear the source. Nothing else.

sc/inc/dpobject.hxx

@@ -114,8 +114,11 @@ private:
     SC_DLLPRIVATE ScDPTableData*    GetTableData();
     SC_DLLPRIVATE void              CreateObjects();
     SC_DLLPRIVATE void              CreateOutput();
-
-    bool FillLabelDataForDimension(const com::sun::star::uno::Reference<com::sun::star::container::XIndexAccess>& xDims, sal_Int32 nDim, ScDPLabelData& rLabelData);
+    SC_DLLPRIVATE void ClearSource();
+    SC_DLLPRIVATE bool FillLabelDataForDimension(
+        const com::sun::star::uno::Reference<
+            com::sun::star::container::XIndexAccess>& xDims,
+        sal_Int32 nDim, ScDPLabelData& rLabelData);
 
 public:
     ScDPObject(ScDocument* pD);

sc/source/core/data/dpobject.cxx

@@ -543,9 +543,18 @@ void ScDPObject::InvalidateData()
 }
 
 void ScDPObject::ClearTableData()
+{
+    ClearSource();
+
+    if (mpTableData)
+        mpTableData->GetCacheTable().getCache()->RemoveReference(this);
+    mpTableData.reset();
+}
+
+void ScDPObject::ClearSource()
 {
     Reference< XComponent > xObjectComp( xSource, UNO_QUERY );
-    if ( xObjectComp.is() )
+    if (xObjectComp.is())
     {
         try
         {
@@ -557,9 +566,6 @@ void ScDPObject::ClearTableData()
         }
     }
     xSource = NULL;
-    if (mpTableData)
-        mpTableData->GetCacheTable().getCache()->RemoveReference(this);
-    mpTableData.reset();
 }
 
 ScRange ScDPObject::GetNewOutputRange( bool& rOverflow )

sc/source/ui/view/dbfunc3.cxx

@@ -1150,7 +1150,7 @@ void ScDBFunc::GroupDataPilot()
     ScDPDimensionSaveData* pDimData = aData.GetDimensionData();     // created if not there
 
     // find original base
-    String aBaseDimName( aDimName );
+    rtl::OUString aBaseDimName = aDimName;
     const ScDPSaveGroupDimension* pBaseGroupDim = pDimData->GetNamedGroupDim( aDimName );
     if ( pBaseGroupDim )
     {