--! qt:dataset:src | |
set hive.fetch.task.aggr=true; | |
set hive.exec.submitviachild=true; | |
set hive.exec.submit.local.task.via.child=true; | |
explain | |
select count(key),sum(key),avg(key),min(key),max(key),std(key),variance(key) from src; | |
select count(key),sum(key),avg(key),min(key),max(key),std(key),variance(key) from src; |