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https://issues.apache.org/jira/browse/HADOOP-15940?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16692082#comment-16692082
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Da Zhou commented on HADOOP-15940:
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Sorry I made a mistake in my previous comment, I highlighted the corrected one:
1. rename a file to itself, should return true
2. rename a dir to itself, should return *false*. (According to the [Contract
test,|https://github.com/apache/hadoop/blob/a55d6bba71c81c1c4e9d8cd11f55c78f10a548b0/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/FileSystemContractBaseTest.java#L765]
this should return false)
3. move file/dir to same parent folder, return true.
> ABFS: For HNS account, avoid unnecessary get call when doing Rename
> -------------------------------------------------------------------
>
> Key: HADOOP-15940
> URL: https://issues.apache.org/jira/browse/HADOOP-15940
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/azure
> Affects Versions: 3.2.0
> Reporter: Da Zhou
> Assignee: Da Zhou
> Priority: Major
> Attachments: HADOOP-15940-001.patch
>
>
> When rename, there is always a GET dst file status call, this is not
> necessary.
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