[
https://issues.apache.org/jira/browse/HIVE-734?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12740834#action_12740834
]
Ning Zhang commented on HIVE-734:
---------------------------------
In the failing query, there is no column corresponding to null (select null
from tt), so the semantic analyzer doesn't know the type of the NULL, therefore
it is VOID type. That's why JavaVoidObjectInspector needs to be created. It is
the similar that in (select 2 from tt), An JavaIntegerObjectInspector is needed
for the constant 2.
> problem in dealing with null
> ----------------------------
>
> Key: HIVE-734
> URL: https://issues.apache.org/jira/browse/HIVE-734
> Project: Hadoop Hive
> Issue Type: Bug
> Reporter: Zheng Shao
> Assignee: Ning Zhang
>
> This command fails with the following error:
> {code}
> hive/bin/hive -e "INSERT OVERWRITE LOCAL DIRECTORY 'abc' select null from
> zshao_tt"
> FAILED: Error in semantic analysis:
> java.lang.RuntimeException: Internal error: Cannot find ObjectInspector for
> VOID
> {code}
> When 'null' is replaced by '' it works.
--
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.
