address comments

Author: gengliangwang

sql/core/src/main/scala/org/apache/spark/sql/DataFrameWriter.scala

@@ -252,9 +252,9 @@ final class DataFrameWriter[T] private[sql](ds: Dataset[T]) {
         f.fallBackFileFormat
       case _ => lookupCls
     }
-    // SPARK-26673: In Data Source V2 project, partitioning is still under development.
-    //              Here we fallback to V1 if the write path if output partitioning is required.
-    // TODO: use V2 implementations when partitioning feature is supported.
+    // In Data Source V2 project, partitioning is still under development.
+    // Here we fallback to V1 if the write path if output partitioning is required.
+    // TODO(SPARK-26778): use V2 implementations when partitioning feature is supported.
     if (classOf[TableProvider].isAssignableFrom(cls) && partitioningColumns.isEmpty) {
       val provider = cls.getConstructor().newInstance().asInstanceOf[TableProvider]
       val sessionOptions = DataSourceV2Utils.extractSessionConfigs(

sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/FallbackOrcDataSourceV2.scala

@@ -28,8 +28,8 @@ import org.apache.spark.sql.execution.datasources.v2.orc.OrcTable
  * Replace the ORC V2 data source of table in [[InsertIntoTable]] to V1 [[FileFormat]].
  * E.g, with temporary view `t` using [[FileDataSourceV2]], inserting into  view `t` fails
  * since there is no corresponding physical plan.
- * SPARK-23817: This is a temporary hack for making current data source V2 work. It should be
- * removed when Catalog of file data source v2 is finished.
+ * This is a temporary hack for making current data source V2 work. It should be
+ * removed when Catalog support of file data source v2 is finished.
  */
 class FallbackOrcDataSourceV2(sparkSession: SparkSession) extends Rule[LogicalPlan] {
   override def apply(plan: LogicalPlan): LogicalPlan = plan resolveOperators {