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From "Parth Chandra (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (DRILL-2268) Applying flatten after a join fails with IOBE
Date Wed, 01 Apr 2015 18:44:02 GMT

     [ https://issues.apache.org/jira/browse/DRILL-2268?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Parth Chandra resolved DRILL-2268.
----------------------------------
    Resolution: Fixed

Fixed by DRILL-2366, DRILL-2099. Unit tests added in 565c995

> 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
>             Fix For: 0.9.0
>
>
> 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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