--! qt:dataset:src | |
set hive.mapred.mode=nonstrict; | |
set hive.optimize.cte.materialize.threshold=-1; | |
set hive.explain.user=true; | |
explain | |
with q1(srcKey, srcValue) as (select * from src where key= '5') | |
select a.srcKey | |
from q1 a join q1 b | |
on a.srcKey=b.srcKey; |