cloud-fan commented on a change in pull request #34575:
URL: https://github.com/apache/spark/pull/34575#discussion_r755169306
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/FileScanRDD.scala
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@@ -57,11 +66,15 @@ case class PartitionedFile(
class FileScanRDD(
@transient private val sparkSession: SparkSession,
readFunction: (PartitionedFile) => Iterator[InternalRow],
- @transient val filePartitions: Seq[FilePartition])
+ @transient val filePartitions: Seq[FilePartition],
+ val requiredSchema: StructType = StructType(Seq.empty),
Review comment:
nit: `dataSchema` is probably a better name in this context. We need to
join the data rows with metadata col w.r.t. this schema.
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