[jira] [Commented] (CALCITE-3674) EnumerableMergeJoinRule fails with NPE on nullable join keys

["Feng Zhu (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CALCITE-3674?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17008495#comment-17008495 ] 

Feng Zhu commented on CALCITE-3674:
-----------------------------------

Hi, [~vladimirsitnikov], could you provide a test case?

> EnumerableMergeJoinRule fails with NPE on nullable join keys
> ------------------------------------------------------------
>
>                 Key: CALCITE-3674
>                 URL: https://issues.apache.org/jira/browse/CALCITE-3674
>             Project: Calcite
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 1.21.0
>            Reporter: Vladimir Sitnikov
>            Priority: Major
>
> Sample exception:
> {noformat}
> Caused by: java.lang.NullPointerException
> at java.lang.Short.compareTo(Short.java:445)
> at java.lang.Short.compareTo(Short.java:43)
> at org.apache.calcite.linq4j.EnumerableDefaults$MergeJoinEnumerator.advance(EnumerableDefaults.java:3866)
> at org.apache.calcite.linq4j.EnumerableDefaults$MergeJoinEnumerator.moveNext(EnumerableDefaults.java:3918)
> at org.apache.calcite.linq4j.EnumerableDefaults.aggregate(EnumerableDefaults.java:118)
> at org.apache.calcite.linq4j.DefaultEnumerable.aggregate(DefaultEnumerable.java:104)
> at Baz.bind(Unknown Source)
> at org.apache.calcite.jdbc.CalcitePrepare$CalciteSignature.enumerable(CalcitePrepare.java:355)
> at org.apache.calcite.jdbc.CalciteConnectionImpl.enumerable(CalciteConnectionImpl.java:315){noformat}



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