HyukjinKwon commented on code in PR #40677:
URL: https://github.com/apache/spark/pull/40677#discussion_r1161398611
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sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/FileFormat.scala:
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@@ -165,6 +164,17 @@ trait FileFormat {
}
}
+ /**
+ * Create a file metadata struct column containing fields supported by the
given file format.
+ */
+ def createFileMetadataCol(): AttributeReference = {
+ // Strip out the fields' metadata to avoid exposing it to the user.
[[FileSourceStrategy]]
+ // avoids confusion by mapping back to [[metadataSchemaFields]].
Review Comment:
Nit .. but in these regular comments, we could just use backticks. `[[...]]`
is the syntax for Scaladoc (not for the comments).
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