danny0405 commented on code in PR #9051:
URL: https://github.com/apache/hudi/pull/9051#discussion_r1241952678
##########
hudi-spark-datasource/hudi-spark-common/src/main/scala/org/apache/spark/sql/hudi/command/AlterHoodieTableChangeColumnCommand.scala:
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@@ -102,4 +104,8 @@ case class AlterHoodieTableChangeColumnCommand(
", origin table schema :" + tableSchema + ", base path :" +
metaClient.getBasePath)
}
}
+
+ // Add the comment to a column, if comment is empty, return the original
column.
+ private def addComment(column: StructField, comment: Option[String]):
StructField =
Review Comment:
> but also keep it in the hudi own meta data
Guess we already did that for purpose of schema evolution, like the
`InternalSchema` thing.
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