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Posted to issues@hive.apache.org by "Attila Magyar (Jira)" <ji...@apache.org> on 2020/04/24 09:52:00 UTC

[jira] [Updated] (HIVE-23295) Possible NPE when on getting predicate literal list when dynamic values are not available

     [ https://issues.apache.org/jira/browse/HIVE-23295?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Attila Magyar updated HIVE-23295:
---------------------------------
    Description: 
getLiteralList() in SearchArgumentImpl$PredicateLeafImpl returns null if dynamic values are not available. There are multiple call sites where the return value is used without a null check. E.g:  leaf.getLiteralList().stream().

 

The return null was added as part of HIVE-18827 to avoid having an unimportant warning message when dynamic values have not been delivered yet.

 

[~sershe], [~jdere], I propose return an empty list instead of null in a case like this.

  was:getLiteralList() in SearchArgumentImpl$PredicateLeafImpl returns null if dynamic values are not available. There are multiple call sites where the return value is used without a null check. E.g:  leaf.getLiteralList().stream().


> Possible NPE when on getting predicate literal list when dynamic values are not available
> -----------------------------------------------------------------------------------------
>
>                 Key: HIVE-23295
>                 URL: https://issues.apache.org/jira/browse/HIVE-23295
>             Project: Hive
>          Issue Type: Bug
>          Components: storage-api
>            Reporter: Attila Magyar
>            Assignee: Attila Magyar
>            Priority: Major
>             Fix For: 4.0.0
>
>
> getLiteralList() in SearchArgumentImpl$PredicateLeafImpl returns null if dynamic values are not available. There are multiple call sites where the return value is used without a null check. E.g:  leaf.getLiteralList().stream().
>  
> The return null was added as part of HIVE-18827 to avoid having an unimportant warning message when dynamic values have not been delivered yet.
>  
> [~sershe], [~jdere], I propose return an empty list instead of null in a case like this.



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