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https://issues.apache.org/jira/browse/DRILL-2775?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14493351#comment-14493351
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Venki Korukanti commented on DRILL-2775:
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Problem is when CTAS is trying to check if the table with given name already
exists, we fail because the table directory has no files. Should get an error
when we try to select from empty directory. I think it is good to improve the
error msg when we fail to check for existence of table with same as one we are
trying to create.
> CTAS : Error message not clear when the table/folder already exists
> -------------------------------------------------------------------
>
> Key: DRILL-2775
> URL: https://issues.apache.org/jira/browse/DRILL-2775
> Project: Apache Drill
> Issue Type: Bug
> Components: Metadata
> Reporter: Rahul Challapalli
> Assignee: Deneche A. Hakim
> Labels: error_message_must_fix
>
> git.commit.id.abbrev=f066786
> Below is an example of what happens when we try to create the same table
> twice :
> {code}
> create table dfs.ctas_flatten.jkdhfjhgjhk as select * from `data.json`';
> +------------+------------+
> | ok | summary |
> +------------+------------+
> | false | Error: Index: 0, Size: 0 |
> {code}
> It used to be more meaningful until very recently.
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