@Override
public PhysicalOperator visitJoin(Join join, Object value) throws OptimizerException {
PhysicalOperator leftOp = join.getLeft().accept(this, value);
List<OrderDef> leftOrderDefs = Lists.newArrayList();
for (JoinCondition jc : join.getConditions()) {
leftOrderDefs.add(new OrderDef(Direction.ASC, jc.getLeft()));
}
leftOp = new Sort(leftOp, leftOrderDefs, false);
leftOp = new SelectionVectorRemover(leftOp);
PhysicalOperator rightOp = join.getRight().accept(this, value);
List<OrderDef> rightOrderDefs = Lists.newArrayList();
for (JoinCondition jc : join.getConditions()) {
rightOrderDefs.add(new OrderDef(Direction.ASC, jc.getRight()));
}
rightOp = new Sort(rightOp, rightOrderDefs, false);
rightOp = new SelectionVectorRemover(rightOp);
MergeJoinPOP mjp =
new MergeJoinPOP(
leftOp, rightOp, Arrays.asList(join.getConditions()), join.getJointType());
return new SelectionVectorRemover(mjp);
}
