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https://issues.apache.org/jira/browse/HIVE-1763?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12966367#action_12966367
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Paul Butler commented on HIVE-1763:
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I was concerned about breaking DROP TABLE's idempotence, so rather than
throwing an exception I just print the error to the console. If someone can
suggest a better approach I'll do it.
> drop table (or view) should issue warning if table doesn't exist
> ----------------------------------------------------------------
>
> Key: HIVE-1763
> URL: https://issues.apache.org/jira/browse/HIVE-1763
> Project: Hive
> Issue Type: Improvement
> Components: Metastore
> Reporter: dan f
> Priority: Minor
> Attachments: HIVE-1763.patch
>
>
> drop table reports "OK" even if the table doesn't exist. Better to report
> something like mysql's "Unknown table 'foo'" so that, e.g., unwanted tables
> (especially ones with names prone to typos) don't persist.
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