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From "Andries Engelbrecht (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DRILL-2141) Data type error in group by and order by for JSON
Date Mon, 02 Feb 2015 19:17:34 GMT
Andries Engelbrecht created DRILL-2141:
------------------------------------------

             Summary: Data type error in group by and order by for JSON
                 Key: DRILL-2141
                 URL: https://issues.apache.org/jira/browse/DRILL-2141
             Project: Apache Drill
          Issue Type: Bug
          Components: Execution - Data Types
    Affects Versions: 0.7.0
            Reporter: Andries Engelbrecht
            Assignee: Daniel Barclay (Drill/MapR)
         Attachments: drillbit.log

When doing group by and oder by on complex nested JSON getting Data type errors.

Query:
select t.retweeted_status.`user`.name as name, count(t.retweeted_status.id) as rt_count from
`./nfl` t where t.retweeted_status.`user`.name is not null group by t.retweeted_status.`user`.name
order by count(t.retweeted_status.id) desc limit 10;

Screen output:
Query failed: Query failed: Failure while running fragment., Failure while reading vector.
 Expected vector class of org.apache.drill.exec.vector.NullableIntVector but was holding vector
class org.apache.drill.exec.vector.NullableVarCharVector. [ c6ea670f-5fa0-491c-acfb-5ccd128ec324
on drilldemo:31010 ]
[ c6ea670f-5fa0-491c-acfb-5ccd128ec324 on drilldemo:31010 ]


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)

Drill log attached



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