Github user xunzhang commented on a diff in the pull request:
https://github.com/apache/incubator-hawq/pull/900#discussion_r78569975
--- Diff: tools/bin/hawqregister ---
@@ -460,12 +460,13 @@ if __name__ == '__main__':
do_not_move, files_update, sizes_update = True, files,
sizes
files, sizes = [], []
else:
- for k, f in enumerate(files):
+ files_old, sizes_old = [f for f in files], [sz for sz in sizes]
--- End diff --
Notice here, alternative modification like `files_old, sizes_old = files,
sizes` is wrong since python default copy is not a deep copy, it is just a
pointer copy.
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