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https://issues.apache.org/jira/browse/DRILL-2268?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Parth Chandra reassigned DRILL-2268:
------------------------------------
Assignee: Parth Chandra (was: Jason Altekruse)
> Applying flatten after a join fails with IOBE
> ----------------------------------------------
>
> Key: DRILL-2268
> URL: https://issues.apache.org/jira/browse/DRILL-2268
> Project: Apache Drill
> Issue Type: Bug
> Components: Functions - Drill
> Reporter: Rahul Challapalli
> Assignee: Parth Chandra
> Priority: Critical
>
> git.commit.id.abbrev=6676f2d
> Data Set :
> {code}
> {
> "id" : 1,
> "events" : [
> { "evnt_id":"e1", "campaign_id":"c1", "event_name":"e1_name",
> "event_time":1000000, "type" : "cmpgn9"},
> { "evnt_id":"e2", "campaign_id":"c1", "event_name":"e2_name",
> "event_time":2000000, "type" : "cmpgn4"}
> ],
> "lst_lst" : [[1,2],[3,4]],
> "lst" : [1,2,3,4]
> }
> {
> "id" : 2,
> "events" : [
> { "evnt_id":"e1", "campaign_id":"c1", "event_name":"e1_name",
> "event_time":1000000, "type" : "cmpgn9"},
> { "evnt_id":"e2", "campaign_id":"c1", "event_name":"e2_name",
> "event_time":2000000, "type" : "cmpgn4"}
> ],
> "lst_lst" : [[1,2],[3,4]],
> "lst" : [1,2,3,4]
> }
> {code}
> The below query which tries to flatten a repeated list fails :
> {code}
> select flatten(t1.lst_lst) from `temp.json` t1 inner join `temp.json` t2 on
> t1.uid=t2.uid;
> Query failed: RemoteRpcException: Failure while running fragment., index: -4,
> length: 4 (expected: range(0, 16384)) [ e32cd0c6-a84a-4bbb-9812-bc0f7de17a68
> on qa-node190.qa.lab:31010 ]
> [ e32cd0c6-a84a-4bbb-9812-bc0f7de17a68 on qa-node190.qa.lab:31010 ]
> {code}
> The below query which tries to flatten a repeated map also fails
> {code}
> select flatten(t1.events) from `temp.json` t1 inner join `temp.json` t2 on
> t1.uid=t2.uid;
> Query failed: RemoteRpcException: Failure while running fragment., index: -4,
> length: 4 (expected: range(0, 16384)) [ c9adffb0-44c6-4ecb-9093-1f3fd13837f9
> on qa-node190.qa.lab:31010 ]
> [ c9adffb0-44c6-4ecb-9093-1f3fd13837f9 on qa-node190.qa.lab:31010 ]
> {code}
> The below 2 queries return empty results. I can open a different JIRA if the
> below 2 failures are because of a completely different reason
> {code}
> select flatten(t1.lst_lst[0]) from `temp.json` t1 inner join `temp.json` t2
> on t1.uid=t2.uid;
> +------------+
> | EXPR$0 |
> +------------+
> +------------+
> {code}
> {code}
> select flatten(t1.lst) from `temp.json` t1 inner join `temp.json` t2 on
> t1.uid=t2.uid;
> +------------+
> | EXPR$0 |
> +------------+
> +------------+
> {code}
> Let me know if you have any questions
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