physicalPlanRewrites.add(new PullSelectOutOfEqJoin());
physicalPlanRewrites.add(new PushFunctionsOntoEqJoinBranches());
physicalPlanRewrites.add(new SetAlgebricksPhysicalOperatorsRule());
physicalPlanRewrites.add(new EnforceStructuralPropertiesRule());
physicalPlanRewrites.add(new PushProjectDownRule());
physicalPlanRewrites.add(new CopyLimitDownRule());
return physicalPlanRewrites;
}