HyukjinKwon commented on a change in pull request #33441:
URL: https://github.com/apache/spark/pull/33441#discussion_r673590254
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/v2/FileDataSourceV2.scala
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@@ -112,4 +112,21 @@ trait FileDataSourceV2 extends TableProvider with
DataSourceRegister {
getTable(new CaseInsensitiveStringMap(properties), schema)
}
}
+
+ /**
+ * Check whether target schema field name is valid.
+ *
+ * @throws AnalysisException If field name is invalid
+ */
+ def checkFieldName(name: String): Unit = {}
+
+ def checkFieldNames(schema: StructType): Unit = {
Review comment:
Actually, I wouldn't add this as a method in fact ..
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