[jira] [Assigned] (DRILL-4974) NPE in FindPartitionConditions.analyzeCall() for 'holistic' expressions

["Zelaine Fong (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DRILL-4974?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zelaine Fong reassigned DRILL-4974:
-----------------------------------

    Assignee: Gautam Kumar Parai  (was: Karthikeyan Manivannan)

Assigning to [~gparai] for review.

> NPE in FindPartitionConditions.analyzeCall() for 'holistic' expressions
> -----------------------------------------------------------------------
>
>                 Key: DRILL-4974
>                 URL: https://issues.apache.org/jira/browse/DRILL-4974
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Execution - Relational Operators
>    Affects Versions: 1.6.0, 1.7.0, 1.8.0
>            Reporter: Karthikeyan Manivannan
>            Assignee: Gautam Kumar Parai
>             Fix For: 1.8.0
>
>   Original Estimate: 2h
>  Remaining Estimate: 2h
>
> The following query can cause an NPE in FindPartitionConditions.analyzeCall() if the fileSize column is a partitioned column. 
> SELECT  fileSize FROM dfs.`/drill-data/data/` WHERE compoundId LIKE 'FOO-1234567%'
> This is because, the LIKE is treated as a holistic expression in FindPartitionConditions.analyzeCall(), causing opStack to be empty, thus causing opStack.peek() to return a NULL value.



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