Yang Hao created KYLIN-3089:
-------------------------------
Summary: Query exception on SortedIteratorMergerWithLimit
Key: KYLIN-3089
URL: https://issues.apache.org/jira/browse/KYLIN-3089
Project: Kylin
Issue Type: Bug
Reporter: Yang Hao
The executing error only exists on some special case. I have a simple sql, and
the query is routing onto SortedIteratorMergerWithLimit. When iterate data, it
triggers such error
{code:java}
//TODO: remove this check when validated
if (last != null) {
if (comparator.compare(last, fetched) > 0)
throw new IllegalStateException("Not sorted! last: " + last
+ " fetched: " + fetched);
}
{code}
sql is as belows.
{code:java}
select "DATE",appid,dim_1,dim_2, sum(uv) as uv
from KYLIN_CUSTOM_MIDDLETIER
where appid = **** and "DATE" = 20171111
group by "DATE",appid,dim_1,dim_2
limit 50000
{code}
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