Exchange

Element	Missed Instructions	Cov.	Missed Branches	Cov.	Missed	Cxty	Missed	Lines	Missed	Methods
Total	10 of 10	0%	0 of 0	n/a	2	2	4	4	2	2
Exchange(RelNode[])		0%		n/a	1	1	3	3	1	1
getSources()		0%		n/a	1	1	1	1	1	1