cloud-fan commented on a change in pull request #29328:
URL: https://github.com/apache/spark/pull/29328#discussion_r468324072



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File path: sql/core/src/main/scala/org/apache/spark/sql/DataFrameReader.scala
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@@ -245,12 +245,19 @@ class DataFrameReader private[sql](sparkSession: 
SparkSession) extends Logging {
         "read files of Hive data source directly.")
     }
 
+    if (extraOptions.contains("path") && paths.nonEmpty) {

Review comment:
       Then we can make sure `path` and `paths` options wouldn't co-exist for 
DS v2, and you can make the change in 
https://github.com/apache/spark/pull/29328/files#r468295791




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