Bug 123036 Data in a reprot is doubly stored
We currently stored data twice. Once in the content stream, once by DtE. The instance stored by content stream should not be there.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/impl/ResultIterator.java
{
	protected org.eclipse.birt.data.engine.odi.IResultIterator odiResult;
	protected IQueryResults queryResults;
	protected Scriptable scope;
	
	protected static final int NOT_STARTED = 0;
	protected static final int BEFORE_FIRST_ROW = 1;
	protected static final int ON_ROW = 2;
	protected static final int AFTER_LAST_ROW = 3;
	protected static final int CLOSED = -1;
	
	protected int state = NOT_STARTED;
	
	protected PreparedQuery query;
	
	protected boolean useDetails;
	protected int lowestGroupLevel;
	private int savedStartingGroupLevel;
	
	private DataEngineContext context;
	private RDSaveUtil rdSaveUtil;