cloud-fan commented on code in PR #37214:
URL: https://github.com/apache/spark/pull/37214#discussion_r923084409
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sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/FileScanRDD.scala:
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@@ -70,6 +70,7 @@ class FileScanRDD(
readFunction: (PartitionedFile) => Iterator[InternalRow],
@transient val filePartitions: Seq[FilePartition],
val readDataSchema: StructType,
+ val partitionSchema: StructType = new StructType(),
Review Comment:
Instead of passing two parameters, I think we just need a `readSchema:
StrucType`. It's only used to create a projection to add metadata columns.
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