Yaohua628 commented on code in PR #38683:
URL: https://github.com/apache/spark/pull/38683#discussion_r1028407378
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sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/FileSourceStrategy.scala:
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@@ -275,8 +275,13 @@ object FileSourceStrategy extends Strategy with
PredicateHelper with Logging {
.get.withName(FileFormat.ROW_INDEX)
}
}
+ // SPARK-41151: metadata column is not nullable for file sources,
+ // [[CreateNamedStruct]] is also not nullable.
Review Comment:
Make sense, thanks!
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