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Chris Westin commented on DRILL-2281: ------------------------------------- Retry this after drillbit resiliency has been improved. > Drill never returns when we use aggregate functions after a join with an > order by > --------------------------------------------------------------------------------- > > Key: DRILL-2281 > URL: https://issues.apache.org/jira/browse/DRILL-2281 > Project: Apache Drill > Issue Type: Bug > Components: Execution - Relational Operators > Reporter: Rahul Challapalli > Assignee: Chris Westin > Fix For: 0.9.0 > > Attachments: data.json > > > git.commit.id.abbrev=6676f2d > The below query never returns : (Order by seems to be the culprit) > {code} > create view v1 as select uid, flatten(events) event from `data.json`; > create view v2 as select uid, flatten(transactions) transaction from > `data.json`; > select v1.uid, MAX(v2.transaction.amount), MIN(v1.event.event_time) from v1 > inner join v2 on v1.uid = v2.uid where v2.transaction.trans_time < 0 group by > v1.uid order by v1.uid; > {code} > There seems to be constant activity in the drillbit.log file. The below > message is continuously displayed in the log file > {code} > 2015-02-20 23:35:04,450 [2b183b65-4551-bb9a-35ca-b71b9eedc4d6:frag:1:2] INFO > o.a.d.exec.vector.BaseValueVector - Realloc vector null. [32768] -> [65536] > 2015-02-20 23:35:04,451 [2b183b65-4551-bb9a-35ca-b71b9eedc4d6:frag:1:2] INFO > o.a.d.exec.vector.BaseValueVector - Realloc vector null. [32768] -> [65536] > 2015-02-20 23:35:04,451 [2b183b65-4551-bb9a-35ca-b71b9eedc4d6:frag:1:2] INFO > o.a.d.exec.vector.BaseValueVector - Realloc vector null. [32768] -> [65536] > {code} > Drill returns correct data when we remove one of the agg functions or use > multiple aggs from the same side of the join. The below queries work : > {code} > select v1.uid, MAX(v2.transaction.amount) from v1 inner join v2 on v1.uid = > v2.uid where v2.transaction.trans_time < 0 group by v1.uid order by v1.uid; > select v1.uid, MAX(v2.transaction.amount), MAX(v2.transaction.amount) from > v1 inner join v2 on v1.uid = v2.uid where v2.transaction.trans_time < 0 group > by v1.uid order by v1.uid; > {code} > Attached the dataset which contains 2 records. I copied over the same 2 > records 50000 times and ran the queries on the data set. Let me know if you > need anything else. -- This message was sent by Atlassian JIRA (v6.3.4#6332)