Github user liancheng commented on a diff in the pull request:
https://github.com/apache/spark/pull/4294#discussion_r23892984
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/sources/interfaces.scala ---
@@ -145,6 +145,11 @@ abstract class PrunedFilteredScan extends BaseRelation
{
* for experimentation.
*/
@Experimental
-abstract class CatalystScan extends BaseRelation {
+trait CatalystScan extends BaseRelation {
def buildScan(requiredColumns: Seq[Attribute], filters:
Seq[Expression]): RDD[Row]
}
+
+@DeveloperApi
+trait InsertableRelation extends BaseRelation {
+ def insertInto(data: DataFrame, overwrite: Boolean): Unit
--- End diff --
The method name looks a bit weird when you put them together:
`relation.insertInto(dataFrame)`, seems that we are inserting a relation into a
data frame... Maybe just `insert`?
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