cloud-fan commented on code in PR #37228:
URL: https://github.com/apache/spark/pull/37228#discussion_r945902058
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sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/FileSourceStrategy.scala:
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@@ -239,10 +262,20 @@ object FileSourceStrategy extends Strategy with
PredicateHelper with Logging {
// extra Project node: wrap flat metadata columns to a metadata struct
val withMetadataProjections = metadataStructOpt.map { metadataStruct =>
+ val structColumns = metadataColumns.map { col => col.name match {
+ case FileFormat.FILE_PATH | FileFormat.FILE_NAME |
FileFormat.FILE_SIZE |
+ FileFormat.FILE_MODIFICATION_TIME =>
+ col
+ case FileFormat.ROW_INDEX =>
+ fileFormatReaderGeneratedMetadataColumns
+ .filter(_.name == FileFormat.ROW_INDEX_TEMPORARY_COLUMN_NAME)
+ .head.withName(FileFormat.ROW_INDEX)
Review Comment:
nit: `filter(...).head` -> `find(...),get`
##########
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/FileSourceStrategy.scala:
##########
@@ -239,10 +262,20 @@ object FileSourceStrategy extends Strategy with
PredicateHelper with Logging {
// extra Project node: wrap flat metadata columns to a metadata struct
val withMetadataProjections = metadataStructOpt.map { metadataStruct =>
+ val structColumns = metadataColumns.map { col => col.name match {
+ case FileFormat.FILE_PATH | FileFormat.FILE_NAME |
FileFormat.FILE_SIZE |
+ FileFormat.FILE_MODIFICATION_TIME =>
+ col
+ case FileFormat.ROW_INDEX =>
+ fileFormatReaderGeneratedMetadataColumns
+ .filter(_.name == FileFormat.ROW_INDEX_TEMPORARY_COLUMN_NAME)
+ .head.withName(FileFormat.ROW_INDEX)
Review Comment:
nit: `filter(...).head` -> `find(...).get`
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