Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/16700#discussion_r98327523
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveExternalCatalog.scala ---
@@ -899,6 +919,21 @@ private[spark] class HiveExternalCatalog(conf:
SparkConf, hadoopConf: Configurat
spec, partitionColumnNames, tablePath)
try {
tablePath.getFileSystem(hadoopConf).rename(wrongPath, rightPath)
--- End diff --
Found an issue here... When we call `rename`, not all the file systems have
the same behaviors. For example, on mac OS, when we doing this
`.../tbl/a=5/b=6` -> `.../tbl/A=5/B=6` . The result is `.../tbl/a=5/B=6`. Thus,
it is not recursive. However, the file system used in Jenkin does not have such
an issue. You can hit this issue if you are using macOS. Thus, this fix causes
an regression, but the bug is not in your fix.
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