Zoltan Haindrich created HIVE-25738:
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Summary: 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
{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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