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

[Vladimir Sitnikov (Jira)]

Vladimir Sitnikov created CALCITE-3674:
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             Summary: 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


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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