Fragment[] empFrags = StorageManager.splitNG(conf, "e", employee.getMeta(), employee.getPath(), Integer.MAX_VALUE);
Fragment[] peopleFrags = StorageManager.splitNG(conf, "p", people.getMeta(), people.getPath(), Integer.MAX_VALUE);
Fragment[] merged = TUtil.concat(empFrags, peopleFrags);
Path workDir = CommonTestingUtil.getTestDir("target/test-data/testHashInnerJoin");
TaskAttemptContext ctx = new TaskAttemptContext(conf,
LocalTajoTestingUtility.newQueryUnitAttemptId(), merged, workDir);
ctx.setEnforcer(enforcer);
PhysicalPlanner phyPlanner = new PhysicalPlannerImpl(conf, sm);
PhysicalExec exec = phyPlanner.createPlan(ctx, plan);
ProjectionExec proj = (ProjectionExec) exec;