[jira] [Created] (HDFS-15035) Fix Rename API in BasicOzoneFileSystem

["Ayush Saxena (Jira)" <ji...@apache.org>]

Ayush Saxena created HDFS-15035:
-----------------------------------

             Summary: Fix Rename API in BasicOzoneFileSystem
                 Key: HDFS-15035
                 URL: https://issues.apache.org/jira/browse/HDFS-15035
             Project: Hadoop HDFS
          Issue Type: Bug
            Reporter: Ayush Saxena
            Assignee: Ayush Saxena


In the Rename API :
1.  This doesn't work if one of the path contains URI and other doesn't.

{code:java}
    if (src.equals(dst)) {
      return true;
    }
{code}

2. This check is suppose to be done only for directories, but is done for Files too, it can be moved after getting the FileStatus and checking the type. 

{code:java}
// Some comments here
public String getFoo()
{
    return foo;
}
{code}

3.  This too doesn't work (similar to 1.)

{code:java}
    if (srcStatus.isDirectory()) {
      if (dst.toString().startsWith(src.toString() + OZONE_URI_DELIMITER)) {
        LOG.trace("Cannot rename a directory to a subdirectory of self");
        return false;
      }
{code}

4. Rename is even success if the URI provided is of different FileSystem.
In general HDFS/Other FS shall throw IllegalArgumentException if the path doesn't belong to the same FS.



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