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From "Aman Sinha (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DRILL-2408) Invalid (0 length) parquet file created by CTAS
Date Mon, 09 Mar 2015 22:14:38 GMT
Aman Sinha created DRILL-2408:
---------------------------------

             Summary: Invalid (0 length) parquet file created by CTAS
                 Key: DRILL-2408
                 URL: https://issues.apache.org/jira/browse/DRILL-2408
             Project: Apache Drill
          Issue Type: Bug
          Components: Storage - Writer
    Affects Versions: 0.8.0
            Reporter: Aman Sinha
            Assignee: Sudheesh Katkam


We should not be creating 0 length parquet files; subsequent queries on these will fail with
the error shown below. 

{code}
0: jdbc:drill:zk=local> create table tt5 as select * from cp.`tpch/region.parquet` where
1=0;
+------------+---------------------------+
|  Fragment  | Number of records written |
+------------+---------------------------+
| 0_0        | 0                         |
+------------+---------------------------+
1 row selected (0.8 seconds)
0: jdbc:drill:zk=local> select count(*) from tt5;
Query failed: RuntimeException: file:/tmp/tt5/0_0_0.parquet is not a Parquet file (too small)

Error: exception while executing query: Failure while executing query. 
{code}



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