cloud-fan commented on a change in pull request #30869:
URL: https://github.com/apache/spark/pull/30869#discussion_r572030438
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/FileFormat.scala
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@@ -162,6 +162,8 @@ trait FileFormat {
* By default all data types are supported.
*/
def supportDataType(dataType: DataType): Boolean = true
+
+ def checkFieldNames(names: Seq[String]): Unit = {}
Review comment:
Can we add some document for this API? We can probably require the
exception type as `AnalysisException`
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