Rahul Challapalli created DRILL-2832:
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Summary: JDBC : Client side exception when applying flatten after
a join on a repeated index
Key: DRILL-2832
URL: https://issues.apache.org/jira/browse/DRILL-2832
Project: Apache Drill
Issue Type: Bug
Components: Client - JDBC, Execution - Relational Operators
Reporter: Rahul Challapalli
Assignee: Daniel Barclay (Drill)
git.commit.id.abbrev=5cd36c5
Query :
{code}
select flatten(t1.events) from `data.json` t1 inner join `data.json` t2 on
t1.events[0].campaign_id = t2.events[2].campaign_id;
+------------+
| EXPR$0 |
+------------+
java.lang.RuntimeException: java.sql.SQLException: Failure while executing
query.
at sqlline.SqlLine$IncrementalRows.hasNext(SqlLine.java:2514)
at sqlline.SqlLine$TableOutputFormat.print(SqlLine.java:2148)
at sqlline.SqlLine.print(SqlLine.java:1809)
at sqlline.SqlLine$Commands.execute(SqlLine.java:3766)
at sqlline.SqlLine$Commands.sql(SqlLine.java:3663)
at sqlline.SqlLine.dispatch(SqlLine.java:889)
at sqlline.SqlLine.begin(SqlLine.java:763)
at sqlline.SqlLine.start(SqlLine.java:498)
at sqlline.SqlLine.main(SqlLine.java:460)
{code}
The below 2 queries works fine
{code}
1. Without Flatten : select * from `data.json` t1 inner join `data.json` t2 on
t1.events[0].campaign_id = t2.events[2].campaign_id;
2. Join on simple column : select flatten(t1.events) a from `data.json` t1
inner join `data.json` t2 on t1.uid = t2.uid;
{code}
There is no error in the logs. I attached the data file. Let me know if you
need anything.
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