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https://issues.apache.org/jira/browse/HIVE-2012?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13030442#comment-13030442
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Holden Karau commented on HIVE-2012:
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Hi Carl,
I think you are mistaken as to what is causing the problem. The name 'LINES' is
a reserved token, hence it is not a valid identifier. For example if you try
create table lines(line string) you will see the same error message. The
request for a valid identifier by the parser is correct. I will look at adding
a patch which outputs the token which is not a valid identifier if this case so
that when a reserved word is used it is clearer.
Cheers,
Holden
P.S.
I could be wrong this is my first time digging through the hive code.
> Improve parser error messages
> -----------------------------
>
> Key: HIVE-2012
> URL: https://issues.apache.org/jira/browse/HIVE-2012
> Project: Hive
> Issue Type: Bug
> Components: Diagnosability, Query Processor
> Reporter: Carl Steinbach
>
> This is a place for accumulating error message improvements for the Hive
> parser so that we can update a bunch in batch.
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