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https://issues.apache.org/jira/browse/HIVE-25738?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zoltan Haindrich resolved HIVE-25738.
-------------------------------------
Fix Version/s: 4.0.0
Assignee: Zoltan Haindrich
Resolution: Fixed
merged into master. Thank you [~zabetak] and [~dengzh] for reviewing the
changes!
> NullIf doesn't support complex types
> ------------------------------------
>
> Key: HIVE-25738
> URL: https://issues.apache.org/jira/browse/HIVE-25738
> Project: Hive
> Issue Type: Improvement
> Reporter: Zoltan Haindrich
> Assignee: Zoltan Haindrich
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.0.0
>
> Time Spent: 2.5h
> Remaining Estimate: 0h
>
> {code}
> SELECT NULLIF(array(1,2,3),array(1,2,3))
> {code}
> results in:
> {code}
> java.lang.ClassCastException:
> org.apache.hadoop.hive.serde2.objectinspector.StandardListObjectInspector
> cannot be cast to
> org.apache.hadoop.hive.serde2.objectinspector.PrimitiveObjectInspector
> at
> org.apache.hadoop.hive.ql.udf.generic.GenericUDFNullif.evaluate(GenericUDFNullif.java:96)
> at
> org.apache.hadoop.hive.ql.udf.generic.GenericUDF.initializeAndFoldConstants(GenericUDF.java:177)
> at
> org.apache.hadoop.hive.ql.parse.type.HiveFunctionHelper.getReturnType(HiveFunctionHelper.java:135)
> at
> org.apache.hadoop.hive.ql.parse.type.RexNodeExprFactory.createFuncCallExpr(RexNodeExprFactory.java:647)
> [...]
> {code}
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