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From "Rahul Challapalli (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DRILL-4733) max(dir0) reading more columns than necessary
Date Tue, 21 Jun 2016 00:35:57 GMT
Rahul Challapalli created DRILL-4733:

             Summary: max(dir0) reading more columns than necessary
                 Key: DRILL-4733
                 URL: https://issues.apache.org/jira/browse/DRILL-4733
             Project: Apache Drill
          Issue Type: Bug
          Components: Query Planning & Optimization, Storage - Parquet
    Affects Versions: 1.7.0
            Reporter: Rahul Challapalli
            Priority: Critical
         Attachments: bug.tgz

The below query started to fail from this commit : 3209886a8548eea4a2f74c059542672f8665b8d2

select max(dir0) from dfs.`/drill/testdata/bug/2016`;
Error: UNSUPPORTED_OPERATION ERROR: Streaming aggregate does not support schema changes

Fragment 0:0

[Error Id: b0060205-e9a6-428a-9803-7b4312b2c6f4 on qa-node190.qa.lab:31010] (state=,code=0)

The sub-folders contains files which do have schema change for one column "contributions"
(int32 vs double). However prior to this commit we did not fail in the scenario. Log files
and test data are attached

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