#NEWLINE# def _case_semi_anti_joins( self ) : #NEWLINE# #INDENT# t1 = self . con . table ( 'star1' ) #NEWLINE# t2 = self . con . table ( 'star2' ) #NEWLINE# sj = t1 . semi_join ( t2 , [ ( t1 . foo_id == t2 . foo_id ) ] ) [ [ aj ] ] #NEWLINE# aj = t1 . anti_join ( t2 , [ ( t1 . foo_id == t2 . foo_id ) ] ) [ [ t1 ] ] #NEWLINE# return ( sj , aj )