[jira] [Closed] (DRILL-1958) select * fails on a text file with 3500 columns or more

["Rahul Challapalli (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DRILL-1958?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rahul Challapalli closed DRILL-1958.
------------------------------------

Verified and added the below testcase

Functional/Passing/data-shapes/more-columns/q2_DRILL-1958.q

> select * fails on a text file with 3500 columns or more
> -------------------------------------------------------
>
>                 Key: DRILL-1958
>                 URL: https://issues.apache.org/jira/browse/DRILL-1958
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Storage - Text & CSV
>            Reporter: Rahul Challapalli
>            Assignee: Hanifi Gunes
>            Priority: Minor
>         Attachments: temp.tsv
>
>
> git.commit.id.abbrev=b491cdb
> The dataset contains a single record with 3500 columns. 'select *' returns an empty set. However with 3000 columns 'select *' has no issues.
> Selecting an individual columns worked with both the data sets. Also json does not seem to have this problem
> {code}
> 0: jdbc:drill:schema=dfs.wide-columns> select * from `temp.tsv`;
> +--+
> |  |
> +--+
> +--+
> No rows selected (0.174 seconds)
> 0: jdbc:drill:schema=dfs.wide-columns> select columns[0] from `temp.tsv`;
> +------------+
> |   EXPR$0   |
> +------------+
> | 4788998.32516 |
> +------------+
> 1 row selected (0.244 seconds)
> {code}
> There was no activity in the log files when the select * did not return anything. I attached the data file



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