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/document/RDLoad.java
}
	/**
	 * @param expr
	 * @throws DataException 
	 */
	Object getValue( IBaseExpression expr ) throws DataException
	{
		try
		{
			if ( newColumn == true )
			{
				exprValueMap.clear( );
				int exprCount = IOUtil.readInt( dis );
				for ( int i = 0; i < exprCount; i++ )
				{
					String exprID = IOUtil.readString( dis );
					Object exprValue = IOUtil.readObject( dis );
					exprValueMap.put( exprID, exprValue );
				}
				newColumn = false;
			}
		}
		catch ( IOException e )
		{
			throw new DataException( ResourceConstants.RD_LOAD_ERROR,
					e,
					"Result Data" );
		}
		if ( exprValueMap.containsKey( expr.getID( ) ) == false )
			throw new DataException( ResourceConstants.RD_EXPR_INVALID_ERROR );