Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/16700#discussion_r98134323
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveExternalCatalog.scala ---
@@ -839,6 +839,25 @@ private[spark] class HiveExternalCatalog(conf:
SparkConf, hadoopConf: Configurat
spec.map { case (k, v) => partCols.find(_.equalsIgnoreCase(k)).get ->
v }
}
+
+ /**
+ * The partition path created by Hive is in lowercase, while Spark SQL
will
+ * rename it with the partition name in partitionColumnNames, and this
function
+ * returns the extra lowercase path created by Hive, and then we can
delete it.
+ * e.g. /path/A=1/B=2/C=3 is changed to /path/A=4/B=5/C=6, this function
returns is
--- End diff --
`returns is` -> `returns`
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