if (op == oldLogicalPlan.getPredecessors(oldForeach).get(0)) {
// if this projection is to get a field from outer plan, change it
// to LOInnerLoad
LOInnerLoad innerLoad = new LOInnerLoad(newInnerPlan, foreach, project.isStar()?-1:project.getCol());
newInnerPlan.add(innerLoad);
innerOpsMap.put(project, innerLoad);