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https://issues.apache.org/jira/browse/HIVE-20351?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mykhailo Kysliuk reassigned HIVE-20351:
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> GenericUDFNamedStruct should constant fold at compile time
> ----------------------------------------------------------
>
> Key: HIVE-20351
> URL: https://issues.apache.org/jira/browse/HIVE-20351
> Project: Hive
> Issue Type: Bug
> Reporter: Mykhailo Kysliuk
> Assignee: Mykhailo Kysliuk
> Priority: Minor
>
> Reproduced at hive-3.0.
> When we run hive query:
> {code:java}
> select named_struct('Total','Total') from test;
> {code}
> We could see the ERROR at hiveserver logs:
> {code:java}
> 2018-05-25T15:18:13,182 ERROR [main] optimizer.ConstantPropagateProcFactory:
> Unable to evaluate
> org.apache.hadoop.hive.ql.udf.generic.GenericUDFNamedStruct@a0bf272. Return
> value unrecoginizable.
> {code}
> This error is not harmless because all results are correct. But named_struct
> constant values should be processed correctly.
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