[jira] [Updated] (DRILL-4733) max(dir0) reading more columns than necessary

["Suresh Ollala (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DRILL-4733?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Suresh Ollala updated DRILL-4733:
---------------------------------
    Reviewer: Chun Chang

> 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
>            Assignee: Arina Ielchiieva
>            Priority: Critical
>             Fix For: 1.7.0
>
>         Attachments: bug.tgz
>
>
> The below query started to fail from this commit : 3209886a8548eea4a2f74c059542672f8665b8d2
> {code}
> 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)
> {code}
> 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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