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From "Rahul Challapalli (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DRILL-5038) Drill's new parquet reader complains schema change when there is none
Date Fri, 11 Nov 2016 22:46:58 GMT
Rahul Challapalli created DRILL-5038:
----------------------------------------

             Summary: Drill's new parquet reader complains schema change when there is none
                 Key: DRILL-5038
                 URL: https://issues.apache.org/jira/browse/DRILL-5038
             Project: Apache Drill
          Issue Type: Bug
          Components: Storage - Parquet
    Affects Versions: 1.9.0
            Reporter: Rahul Challapalli


git.commit.id.abbrev=4b1902c

The below query fails when we enable the new parquet reader

{code}
0: jdbc:drill:zk=10.10.100.190:5181> alter session set `store.parquet.use_new_reader` =
true;
+-------+----------------------------------------+
|  ok   |                summary                 |
+-------+----------------------------------------+
| true  | store.parquet.use_new_reader updated.  |
+-------+----------------------------------------+
1 row selected (0.257 seconds)
0: jdbc:drill:zk=10.10.100.190:5181> select a.suffix,b.suffix,a.filepath,b.filepath, a.name
from `min_max_dir/2005` a join `min_max_dir/2016` b on (a.suffix=b.suffix) and a.name >
'yuri king';
Error: SYSTEM ERROR: IllegalStateException: Failure while reading vector.  Expected vector
class of org.apache.drill.exec.vector.NullableVarCharVector but was holding vector class org.apache.drill.exec.vector.NullableIntVector,
field= age(INT:OPTIONAL) 

Fragment 0:0

[Error Id: f695a9fc-ff50-45bc-b7fd-f8f5ba449fab on qa-node191.qa.lab:31010] (state=,code=0)
{code}

I attached the data and the log files.



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