Github user liancheng commented on a diff in the pull request:
https://github.com/apache/spark/pull/4563#discussion_r24608728
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/parquet/newParquet.scala ---
@@ -226,13 +247,14 @@ case class ParquetRelation2
f -> new Footer(f.getPath, parquetMetadata)
}.seq.toMap
- partitionSpec = {
- val partitionDirs = dataStatuses
+ partitionSpec = maybePartitionSpec.getOrElse {
+ val partitionDirs = leaves
--- End diff --
Using all files rather than Parquet part-files only because there can be
empty partitions. (Should we include entirely empty directories here? Namely
directories don't even contain `_metadata` or `_common_metadata`.)
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