[
https://issues.apache.org/jira/browse/HIVE-25738?focusedWorklogId=688012&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-688012
]
ASF GitHub Bot logged work on HIVE-25738:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 30/Nov/21 13:37
Start Date: 30/Nov/21 13:37
Worklog Time Spent: 10m
Work Description: zabetak commented on a change in pull request #2816:
URL: https://github.com/apache/hive/pull/2816#discussion_r759284985
##########
File path:
ql/src/java/org/apache/hadoop/hive/ql/udf/generic/GenericUDFNullif.java
##########
@@ -49,6 +50,17 @@ public ObjectInspector initialize(ObjectInspector[]
arguments) throws UDFArgumen
returnOIResolver = new GenericUDFUtils.ReturnObjectInspectorResolver(true);
returnOIResolver.update(arguments[0]);
+ switch (arguments[0].getCategory()) {
+ case LIST:
+ case MAP:
+ case STRUCT:
+ case PRIMITIVE:
+ break;
+ case UNION:
+ default:
+ throw new UDFArgumentTypeException(0, "Unsupported Argument type
category: " + arguments[0].getCategory());
+ }
+
boolean isPrimitive = (arguments[0] instanceof PrimitiveObjectInspector);
if (isPrimitive)
{
Review comment:
OK, my bad was confused with the nesting. Sorry for the confusion
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Issue Time Tracking
-------------------
Worklog Id: (was: 688012)
Time Spent: 2h 20m (was: 2h 10m)
> 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
> Priority: Major
> Labels: pull-request-available
> Time Spent: 2h 20m
> 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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