#NEWLINE# @ classmethod #NEWLINE# def merged_series( cls , * series , **kwargs ) : #NEWLINE# #INDENT# 'Merge ``series`` and return the results without storing data\nin the backend server.' #NEWLINE# ( router , backend ) = cls . check_router ( None , * series ) #NEWLINE# if backend : #NEWLINE# #INDENT# target = router . register ( cls ( ) , backend ) #NEWLINE# router . session ( ) . add ( target ) #NEWLINE# target . _merge ( * series , ** kwargs ) #NEWLINE# backend = target . backend #NEWLINE# return backend . execute ( backend . structure ( target ) . irange_and_delete ( ) , target . load_data )