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
*/
		private boolean needsSaveToDoc( )
		{
			if ( state == NOT_STARTED || state == CLOSED
					|| context == null
					|| context.getMode( ) != DataEngineContext.MODE_GENERATION )
				return false;
			return true;
		}
		
		/**
		 * @return
		 * @throws DataException
		 */
		private RDSave getRdSave( ) throws DataException
		{
			if ( rdSave == null )
			{
				rdSave = RDUtil.newSave( this.context,
						this.queryResultID,
						( (CachedResultSet) odiResult ).getRowCount( ),
						this.subQueryName,
						this.subQueryIndex );
			}
			return rdSave;
		}
	}
	
}