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From "Jacques Nadeau (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DRILL-2122) Projecting a repeated map after a join fails with an obscure error
Date Tue, 03 Feb 2015 20:27:35 GMT

     [ https://issues.apache.org/jira/browse/DRILL-2122?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jacques Nadeau updated DRILL-2122:
----------------------------------
    Component/s: Execution - Data Types

> Projecting a repeated map after a join fails with an obscure error
> ------------------------------------------------------------------
>
>                 Key: DRILL-2122
>                 URL: https://issues.apache.org/jira/browse/DRILL-2122
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Execution - Data Types
>            Reporter: Rahul Challapalli
>            Assignee: Hanifi Gunes
>            Priority: Blocker
>
> git.commit.id.abbrev=3e33880
> Data Set 1:
> {code}
> {
>     "uid": 1,
>     "events" : [
>         { "evnt_id":"e1"}
>   ]
> }
> {code}
> Data Set 2:
> {code}
> {
>   "uid1": 1,
>   "transactions" : [
>        { "trans_id":"t1"}
>   ]
> }
> {code}
> Query :
> {code}
> select t1.uid, t1.events from  `data1.json` t1, `data2.json` t2 where t1.uid = t2.uid1;
> Error: exception while executing query: null (state=,code=0)
> {code}
> The logs were not helpful in this case:
> {code}
> 2015-01-29 23:12:54,474 [2b354189-5439-e82d-e85e-3728b466c6dc:foreman] INFO  o.a.drill.exec.work.foreman.Foreman
- State change requested.  PENDING --> RUNNING
> 2015-01-29 23:12:54,532 [UserServer-1] INFO  o.a.drill.exec.work.foreman.Foreman - State
change requested.  RUNNING --> CANCELED
> 2015-01-29 23:12:54,542 [UserServer-1] INFO  o.a.drill.exec.work.foreman.Foreman - State
change requested.  CANCELED --> COMPLETED
> 2015-01-29 23:12:54,543 [UserServer-1] WARN  o.a.drill.exec.work.foreman.Foreman - Dropping
request to move to COMPLETED state as query is already at CANCELED state (which is terminal).
> {code}
> Explain Plan :
> {code}
> 00-00    Screen
> 00-01      Project(uid=[$0], events=[$1])
> 00-02        Project(uid=[$0], events=[$1])
> 00-03          HashJoin(condition=[=($0, $2)], joinType=[inner])
> 00-05            Project(uid=[$1], events=[$0])
> 00-06              Scan(groupscan=[EasyGroupScan [selectionRoot=/drill/testdata/flatten_operators/data1.json,
numFiles=1, columns=[`uid`, `events`], files=[maprfs:/drill/testdata/flatten_operators/temp3.json]]])
> 00-04            Scan(groupscan=[EasyGroupScan [selectionRoot=/drill/testdata/flatten_operators/data2.json,
numFiles=1, columns=[`uid1`], files=[maprfs:/drill/testdata/flatten_operators/temp4.json]]])
> {code}



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