Github user HeartSaVioR commented on the issue:
https://github.com/apache/spark/pull/22952
@gaborgsomogyi @steveloughran
OK. I'll change the approach to just check against final path for each
moving. As @steveloughran stated, it may bring performance hit for each
checking when dealing with object stores, so we may also need to provide a way
to disable checking as well with caution. (Btw, if moving file in object store
requires huge overhead rather than globing, slow globing may not be a big deal.
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