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https://issues.apache.org/jira/browse/DRILL-2843?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sudheesh Katkam resolved DRILL-2843.
------------------------------------
Resolution: Fixed
Seems to have been fixed. With my reproduction (data.csv is an empty file), I
got:
{code}
0: jdbc:drill:zk=local> SELECT * FROM dfs.temp.`data.csv`;
+--+
| |
+--+
+--+
No rows selected (0.426 seconds)
{code}
> Reading empty CSV file fails with error (rather than yielding zero rows)
> ------------------------------------------------------------------------
>
> Key: DRILL-2843
> URL: https://issues.apache.org/jira/browse/DRILL-2843
> Project: Apache Drill
> Issue Type: Bug
> Components: Storage - Text & CSV
> Reporter: Daniel Barclay (Drill)
> Assignee: Steven Phillips
> Fix For: 1.2.0
>
>
> Reading an empty CSV file (an empty file with a name ending with ".csv")
> fails with an internal error rather than yielding zero rows:
> > SELECT * FROM `empty_file.csv`;
> Query failed: SYSTEM ERROR: Unexpected exception during fragment
> initialization: Incoming endpoints 1 is greater than number of row groups 0
> [4e7c7167-51eb-485c-a07b-d41c2f63a670 on dev-linux2:31010]
> Error: exception while executing query: Failure while executing query.
> (state=,code=0)
> >
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