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https://issues.apache.org/jira/browse/HIVE-4344?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13633290#comment-13633290
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Kevin Wilfong commented on HIVE-4344:
-------------------------------------
+1
> CREATE VIEW fails when redundant casts are rewritten
> ----------------------------------------------------
>
> Key: HIVE-4344
> URL: https://issues.apache.org/jira/browse/HIVE-4344
> Project: Hive
> Issue Type: Bug
> Components: Query Processor
> Affects Versions: 0.11.0
> Reporter: Samuel Yuan
> Assignee: Samuel Yuan
> Attachments: HIVE-4344.HIVE-4344.HIVE-4344.HIVE-4344.D10221.1.patch
>
>
> e.g. create view v as select cast(key as string) from src;
> The rewriter tries to replace both cast(key as string) and key as
> `src`.`key`, because cast(key as string) is a no-op.
> There may be other cases like this one.
> See HIVE-2439 for context.
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