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https://issues.apache.org/jira/browse/HIVE-1731?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13020040#comment-13020040
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Adam Kramer commented on HIVE-1731:
-----------------------------------
SELECT a.id, VAR(a.cnt) FROM mytable a
FAILED: Error in semantic analysis: line 1:94 Expression Not In Group By Key a
...what this error message should say is "Function VAR is either undefined or
it is not an aggregation function."
...and even if this were a GOOD message, it means "expression not in group by
key a.cnt"...just saying a is useless.
> Improve miscellaneous error messages
> ------------------------------------
>
> Key: HIVE-1731
> URL: https://issues.apache.org/jira/browse/HIVE-1731
> Project: Hive
> Issue Type: Improvement
> Components: Diagnosability, Query Processor
> Reporter: John Sichi
>
> This is a place for accumulating error message improvements so that we can
> update a bunch in batch.
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