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https://issues.apache.org/jira/browse/DRILL-4974?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15638210#comment-15638210
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Kunal Khatua commented on DRILL-4974:
-------------------------------------
[~cch...@maprtech.com] Please verify this to close the bug and add a test case
to the regression test suite.
> 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: Karthikeyan Manivannan
> Fix For: 1.9.0
>
> 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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