sql/connect/common/src/test/resources/query-tests/explain-results/unionByName.explain - spark - Git at Google

 'Union false, false
 :- Project [id#0L, a#0]
 :  +- LocalRelation <empty>, [id#0L, a#0, b#0]
 +- Project [id#0L, a#0]
    +- Project [a#0, id#0L]
       +- LocalRelation <empty>, [a#0, id#0L, payload#0]
	'Union false, false
	:- Project [id#0L, a#0]
	: +- LocalRelation <empty>, [id#0L, a#0, b#0]
	+- Project [id#0L, a#0]
	+- Project [a#0, id#0L]
	+- LocalRelation <empty>, [a#0, id#0L, payload#0]