Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/14921#discussion_r77292804
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/DataSource.scala
---
@@ -314,12 +314,8 @@ case class DataSource(
/**
* Create a resolved [[BaseRelation]] that can be used to read data from
or write data into this
* [[DataSource]]
- *
- * @param checkPathExist A flag to indicate whether to check the
existence of path or not.
- * This flag will be set to false when we create
an empty table (the
- * path of the table does not exist).
*/
- def resolveRelation(checkPathExist: Boolean = true): BaseRelation = {
+ def resolveRelation(): BaseRelation = {
--- End diff --
Based on my understanding, `resolveRelation` is not invoked by the write
path of the non-file based data sources.
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