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
}
		/**
		 * @param dataExpr
		 * @param value
		 * @throws DataException
		 */
		void doSaveExpr( IBaseExpression dataExpr, Object value )
				throws DataException
		{
			if ( needsSaveToDoc( ) == false )
				return;
			this.getRdSave( )
					.saveExprValue( odiResult.getCurrentResultIndex( ),
							dataExpr.getID( ),
							value );
		}
		/**
		 * @throws DataException
		 */
		void doSaveFinish( ) throws DataException
		{
			if ( needsSaveToDoc( ) == false )
				return;
			this.getRdSave( )
					.saveResultIterator( (CachedResultSet) this.odiResult,
							this.groupLevel,
							this.subQueryInfo );
			this.getRdSave( ).saveFinish( );
		}