yma11 commented on code in PR #6049:
URL: https://github.com/apache/incubator-gluten/pull/6049#discussion_r1687347930
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gluten-core/src/main/scala/org/apache/gluten/execution/DataSourceScanTransformerRegister.scala:
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@@ -30,13 +30,13 @@ trait DataSourceScanTransformerRegister {
/**
* The class name that used to identify what kind of datasource this is。
*
- * For DataSource V1, it should be the child class name of
- * [[org.apache.spark.sql.execution.datasources.FileIndex]].
+ * For DataSource V1, it should be relation.fileFormat like
Review Comment:
`scanClassName` is a flag to decide which data source transformer should be
triggered during register, such as delta, iceberg, hudi, etc. It's used to be
determined by value of `org.apache.spark.sql.execution.datasources.FileIndex`,
now in this PR we change to `relation.fileFormat`.
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