dongjoon-hyun commented on a change in pull request #24233: [SPARK-26356][SQL]
remove SaveMode from data source v2
URL: https://github.com/apache/spark/pull/24233#discussion_r287203658
##########
File path: sql/core/src/main/scala/org/apache/spark/sql/DataFrameWriter.scala
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@@ -268,9 +269,26 @@ final class DataFrameWriter[T] private[sql](ds:
Dataset[T]) {
import
org.apache.spark.sql.execution.datasources.v2.DataSourceV2Implicits._
provider.getTable(dsOptions) match {
+ // TODO: for backward compatibility reasons, the builtin file source
needs to support all
Review comment:
Can we have an IDed TODO? `TODO:` -> `TODO(SPARK-XXX):`?
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