Github user HeartSaVioR commented on the issue:
https://github.com/apache/spark/pull/22952
@gaborgsomogyi @steveloughran
`GlobExpander` only looks like handling `{}` pattern. We need to still deal
with `*` and `?` which can't be expanded like this.
It would only work if we would be OK with restricting descendants of
multiple paths (for now we restrict descendants of one path), so while it would
help fixing the bug of current patch, it might be still too restrictive.
I think changing Hadoop version because of this costs too much. If we
really would like to go, only viable solution is copying the code. (Actually we
can also just reimplement it since its requirements are like a kind of
assignment, though we may end up with similar code.)
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