MultiMap<Integer, LogicalExpressionPlan> mm2 =
new MultiMap<Integer, LogicalExpressionPlan>();
mm2.put(0, aprojplan2);
mm2.put(1, bprojplan2);
LOJoin C2 = new LOJoin(lp, mm2, JOINTYPE.SKEWED, new boolean[] {true, true});
C2.neverUseForRealSetSchema(jcschema2);
lp.add(C2);
lp.connect(A2, C2);
lp.connect(B2, C2);
assertFalse(C1.isEqual(C2));