Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/16700#discussion_r98057316
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveExternalCatalog.scala ---
@@ -899,6 +918,21 @@ private[spark] class HiveExternalCatalog(conf:
SparkConf, hadoopConf: Configurat
spec, partitionColumnNames, tablePath)
try {
tablePath.getFileSystem(hadoopConf).rename(wrongPath, rightPath)
+
+ // if the newSpec contains more than one depth partitoin,
FileSystem.rename just delete
+ // only one path(wrongPath), we should check if wrongPath's
parents need to be deleted.
--- End diff --
`only one path(wrongPath)` -> `the leaf (i.e., wrongPath)`
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