Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/16621#discussion_r96564374
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/catalog/SessionCatalog.scala
---
@@ -650,14 +659,21 @@ class SessionCatalog(
* Refresh the cache entry for a metastore table, if any.
*/
def refreshTable(name: TableIdentifier): Unit = synchronized {
+ val dbName = formatDatabaseName(name.database.getOrElse(currentDb))
+ val tableName = formatTableName(name.table)
+
// Go through temporary tables and invalidate them.
- // If the database is defined, this is definitely not a temp table.
+ // If the database is defined, this may be a global temporary view.
// If the database is not defined, there is a good chance this is a
temp table.
if (name.database.isEmpty) {
- tempTables.get(formatTableName(name.table)).foreach(_.refresh())
- } else if (formatDatabaseName(name.database.get) ==
globalTempViewManager.database) {
-
globalTempViewManager.get(formatTableName(name.table)).foreach(_.refresh())
+ tempTables.get(tableName).foreach(_.refresh())
+ } else if (dbName == globalTempViewManager.database) {
+ globalTempViewManager.get(tableName).foreach(_.refresh())
}
+
+ // Also invalidate the table relation cache.
--- End diff --
is it still valid?
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