Github user cloud-fan commented on a diff in the pull request: https://github.com/apache/spark/pull/15797#discussion_r86906239 --- Diff: sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveExternalCatalog.scala --- @@ -810,13 +840,37 @@ 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 update the partition location with + // a default value generate by the new spec and lower cased partition column names. This is + // unexpected and we need to call `alterPartitions` to fix the partition location. + val hasUpperCasePartitionColumn = partitionColumnNames.exists(col => col.toLowerCase != col) + if (tableMeta.tableType == MANAGED && hasUpperCasePartitionColumn) { --- End diff -- no, Hive only update the partition location when renaming partitions for managed table.
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