yihua commented on code in PR #17660:
URL: https://github.com/apache/hudi/pull/17660#discussion_r2652050195
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hudi-spark-datasource/hudi-spark-common/src/main/scala/org/apache/spark/sql/execution/datasources/parquet/HoodieFileGroupReaderBasedFileFormat.scala:
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@@ -424,8 +430,14 @@ class HoodieFileGroupReaderBasedFileFormat(tablePath:
String,
override def inferSchema(sparkSession: SparkSession, options: Map[String,
String], files: Seq[FileStatus]): Option[StructType] = {
Review Comment:
This method, `inferSchema`, should only be invoked if the schema is not
provided at the data source or relation level for Hudi. I think we should
consider throwing an exception or returning `None` for all file formats.
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