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https://issues.apache.org/jira/browse/KYLIN-3089?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Congling Xia reassigned KYLIN-3089:
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Assignee: Congling Xia (was: liyang)
> Query exception on SortedIteratorMergerWithLimit
> ------------------------------------------------
>
> Key: KYLIN-3089
> URL: https://issues.apache.org/jira/browse/KYLIN-3089
> Project: Kylin
> Issue Type: Bug
> Components: Query Engine
> Affects Versions: v2.1.0
> Reporter: Yang Hao
> Assignee: Congling Xia
> Priority: Major
>
> 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 table_1
> where appid = **** and "DATE" = 20171111
> group by "DATE",appid,dim_1,dim_2
> limit 50000
> {code}
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