yuchenhuo commented on a change in pull request #26957: [SPARK-30314] Add
identifier and catalog information to DataSourceV2Relation
URL: https://github.com/apache/spark/pull/26957#discussion_r366127329
##########
File path: sql/core/src/main/scala/org/apache/spark/sql/DataFrameWriter.scala
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@@ -554,12 +556,14 @@ final class DataFrameWriter[T] private[sql](ds:
Dataset[T]) {
}
val command = (mode, tableOpt) match {
- case (_, Some(table: V1Table)) =>
+ case (_, Some(_: V1Table)) =>
return saveAsTable(TableIdentifier(ident.name(),
ident.namespace().headOption))
case (SaveMode.Append, Some(table)) =>
checkPartitioningMatchesV2Table(table)
- AppendData.byName(DataSourceV2Relation.create(table), df.logicalPlan,
extraOptions.toMap)
+ val v2Relation =
+ DataSourceV2Relation.create(table,
catalogManager.catalogIdentifier(catalog), Seq(ident))
+ AppendData.byName(v2Relation, df.logicalPlan, extraOptions.toMap)
case (SaveMode.Overwrite, _) =>
Review comment:
A little curious why `Overwrite` doesn't need to create a
`DataSourceV2Relation`?
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