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From "Nick Amato (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DRILL-2739) Drill stops reading columns > 4095
Date Thu, 09 Apr 2015 20:41:12 GMT
Nick Amato created DRILL-2739:
---------------------------------

             Summary: Drill stops reading columns > 4095
                 Key: DRILL-2739
                 URL: https://issues.apache.org/jira/browse/DRILL-2739
             Project: Apache Drill
          Issue Type: Bug
          Components: Execution - Flow, Storage - Text & CSV
    Affects Versions: 0.7.0
         Environment: CentOS 6.4
sqlline 1.1.6
Drill 0.7
            Reporter: Nick Amato
            Assignee: Chris Westin


Querying a CSV file with 10000 columns, it looks like I can't query past column 4095. 
0: jdbc:drill:localhost:5181> SELECT columns[4094] FROM `dfs`.`tmp`.`manycols.csv` limit
1;
+------------+
|   EXPR$0   |
+------------+
| 833        |
+------------+
1 row selected (0.269 seconds)
0: jdbc:drill:localhost:5181> SELECT columns[4095] FROM `dfs`.`tmp`.`manycols.csv` limit
1;
+--+
|  |
+--+
+--+
No rows selected (0.198 seconds)
0: jdbc:drill:localhost:5181>

[mapr@drilltwitter tmp]$ awk -F, '{ print $4095,$4096,$4097 }' manycols.csv | head -1
833 2552 2222
[mapr@drilltwitter tmp]$




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