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From "Rahul Challapalli (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DRILL-2832) JDBC : Client side exception when applying flatten after a join on a repeated index
Date Mon, 20 Apr 2015 23:39:59 GMT
Rahul Challapalli created DRILL-2832:
----------------------------------------

             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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