[jira] [Updated] (DRILL-5396) A flatten query on top of 2 files with one record each causes oversize allocation error randomly

["Rahul Challapalli (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DRILL-5396?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rahul Challapalli updated DRILL-5396:
-------------------------------------
    Affects Version/s: 1.11.0

> A flatten query on top of 2 files with one record each causes oversize allocation error randomly
> ------------------------------------------------------------------------------------------------
>
>                 Key: DRILL-5396
>                 URL: https://issues.apache.org/jira/browse/DRILL-5396
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Execution - Data Types, Storage - JSON
>    Affects Versions: 1.11.0
>            Reporter: Rahul Challapalli
>
> As part of verifying DRILL-3562, I came up with the below 2 files
> File 1:
> {code}
> { "a": { "b": { "c": [] } } }
> {code}
> File 2:
> {code}
> { "a": { "b": { "c": [1] } } }
> {code}
> Now the below query work on individual files, however when I run the query on a directory containing both the files, I randomly hit the below error
> {code}
> select FLATTEN(t.a.b.c) AS c from dfs.`/drill/testdata/json_kvgenflatten/drill3562` t;
> Error: SYSTEM ERROR: OversizedAllocationException: Unable to expand the buffer. Max allowed buffer size is reached.
> Fragment 0:0
> [Error Id: e556243b-7ad6-4131-81f7-e8b225c9c8bc on qa-node182.qa.lab:31010] (state=,code=0)
> {code}
> This could be related to the fix for DRILL-3562



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