Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/15797#discussion_r87336535
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveExternalCatalog.scala ---
@@ -810,13 +825,44 @@ private[spark] class HiveExternalCatalog(conf:
SparkConf, hadoopConf: Configurat
newSpecs: Seq[TablePartitionSpec]): Unit = withClient {
client.renamePartitions(
db, table, specs.map(lowerCasePartitionSpec),
newSpecs.map(lowerCasePartitionSpec))
+
+ val tableMeta = getTable(db, table)
+ val partitionColumnNames = tableMeta.partitionColumnNames
+ // Hive metastore is not case preserving and keeps partition columns
with lower cased names.
+ // When Hive rename partition for managed tables, it will create the
partition location with
+ // a default path generate by the new spec with lower cased partition
column names. This is
+ // unexpected and we need to rename them manually and alter the
partition location.
+ val hasUpperCasePartitionColumn = partitionColumnNames.exists(col =>
col.toLowerCase != col)
+ if (tableMeta.tableType == MANAGED && hasUpperCasePartitionColumn) {
+ val tablePath = new Path(tableMeta.location)
+ val fs = tablePath.getFileSystem(hadoopConf)
--- End diff --
[In the other
functions](https://github.com/cloud-fan/spark/blob/56f3073162f0b53e4a3de686bba31c8eb6048123/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/catalog/InMemoryCatalog.scala#L367-L371),
the function call `getFileSystem` is also part of the try-catch block. Do we
need to make it consistent with others?
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