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https://issues.apache.org/jira/browse/DRILL-2167?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14518397#comment-14518397
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Sudheesh Katkam commented on DRILL-2167:
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After DRILL-2083 was fixed, the queries mentioned produce correct number of
records. But the results of the first mentioned query are not ordered. Fix to
DRILL-2838 will most likely fix this issue (s.rms is null).
> Order by on a repeated index from the output of a flatten on large no of
> records results in incorrect results
> -------------------------------------------------------------------------------------------------------------
>
> Key: DRILL-2167
> URL: https://issues.apache.org/jira/browse/DRILL-2167
> Project: Apache Drill
> Issue Type: Bug
> Components: Execution - Relational Operators
> Reporter: Rahul Challapalli
> Assignee: Sudheesh Katkam
> Priority: Critical
> Fix For: 1.0.0
>
> Attachments: data.json
>
>
> git.commit.id.abbrev=3e33880
> The below query results in 200006 records. Based on the data set we should
> only receive 200000 records.
> {code}
> select s.uid from (select d.uid, flatten(d.map.rm) rms from `data.json` d) s
> order by s.rms.rptd[1].d;
> {code}
> When I removed the order by part, drill correctly reported 200000 records.
> {code}
> select s.uid from (select d.uid, flatten(d.map.rm) rms from `data.json` d) s;
> {code}
> I attached the data set with 2 records. I copied over the data set 50000
> times and ran the queries on top of it. Let me know if you have any other
> questions
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