cloud-fan commented on a change in pull request #25465: [SPARK-28747][SQL] merge the two data source v2 fallback configs URL: https://github.com/apache/spark/pull/25465#discussion_r316472026
########## File path: sql/core/src/main/scala/org/apache/spark/sql/DataFrameWriter.scala ########## @@ -835,14 +832,12 @@ final class DataFrameWriter[T] private[sql](ds: Dataset[T]) { private def modeForDSV2 = mode.getOrElse(SaveMode.Append) - private def canUseV2Source(session: SparkSession, providerClass: Class[_]): Boolean = { - val useV1Sources = - session.sessionState.conf.useV1SourceWriterList.toLowerCase(Locale.ROOT).split(",") - val shouldUseV1Source = providerClass.newInstance() match { - case d: DataSourceRegister if useV1Sources.contains(d.shortName()) => true - case _ => useV1Sources.contains(providerClass.getCanonicalName.toLowerCase(Locale.ROOT)) + private def lookupV2Provider() = { + DataSource.lookupDataSourceV2(source, df.sparkSession.sessionState.conf) match { + // File source v2 write path is currently broken. + case Some(_: FileDataSourceV2) => None Review comment: This doesn't apply to `DataFrameReader`. We can still read file source v2 with `DataFrameReader` and I don't want to break it. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org