[GitHub] spark pull request #16549: [SPARK-19151][SQL]DataFrameWriter.saveAsTable sup...

[cloud-fan <gi...@git.apache.org>]

Github user cloud-fan commented on a diff in the pull request:

    https://github.com/apache/spark/pull/16549#discussion_r95588969
  
    --- Diff: sql/core/src/main/scala/org/apache/spark/sql/DataFrameWriter.scala ---
    @@ -383,14 +383,25 @@ final class DataFrameWriter[T] private[sql](ds: Dataset[T]) {
             // Get all input data source relations of the query.
             val srcRelations = df.logicalPlan.collect {
               case LogicalRelation(src: BaseRelation, _, _) => src
    +          case relation: CatalogRelation if DDLUtils.isHiveTable(relation.catalogTable) => relation
             }
    +
             EliminateSubqueryAliases(catalog.lookupRelation(tableIdentWithDB)) match {
               // Only do the check if the table is a data source table (the relation is a BaseRelation).
    --- End diff --
    
    update this comment?


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