statsWork.setAggKey(op.getConf().getStatsAggPrefix());
statsWork.setSourceTask(currTask);
statsWork.setStatsReliable(parseCtx.getConf().getBoolVar(
HiveConf.ConfVars.HIVE_STATS_RELIABLE));
Task<StatsWork> statsTask = TaskFactory.get(statsWork, parseCtx.getConf());
currTask.addDependentTask(statsTask);
if (!ctx.getRootTasks().contains(currTask)) {
ctx.getRootTasks().add(currTask);
}
// ANALYZE TABLE T [PARTITION (...)] COMPUTE STATISTICS noscan;