Github user chenghao-intel commented on a diff in the pull request:
https://github.com/apache/spark/pull/8023#discussion_r37259065
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/InsertIntoHadoopFsRelation.scala
---
@@ -160,6 +160,9 @@ private[sql] case class InsertIntoHadoopFsRelation(
logInfo("Skipping insertion into a relation that already exists.")
}
+ // Invalidate the cache.
--- End diff --
@yhuai We need to refresh the `relation` to get the latest file status
right here, however, we couldn't find the correct relation from `catalog`,
probably we need to provide a API for `catalog`, which support get the relation
by `data path`.
And even user refresh the file status explicitly, I don't think we have
correct API for that, do we?
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