Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/13818#discussion_r69232304
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/InsertIntoHiveTable.scala
---
@@ -298,6 +298,7 @@ case class InsertIntoHiveTable(
// Invalidate the cache.
sqlContext.sharedState.cacheManager.invalidateCache(table)
+
sqlContext.sessionState.catalog.invalidateTable(table.catalogTable.identifier)
--- End diff --
ah so essentially we have 2 caches to invalidate: the data of table, the
metadata of table
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