Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/13156#discussion_r63615033
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/SQLContext.scala ---
@@ -294,6 +294,18 @@ class SQLContext private[sql](
sparkSession.catalog.clearCache()
}
+ /**
+ * Invalidate and refresh all the cached the metadata of the given
table. For performance reasons,
+ * Spark SQL or the external data source library it uses might cache
certain metadata about a
+ * table, such as the location of blocks. When those change outside of
Spark SQL, users should
+ * call this function to invalidate the cache.
+ *
+ * @since 1.3.0
+ */
+ def refreshTable(tableName: String): Unit = {
+ sparkSession.catalog.refreshTable(tableName)
+ }
--- End diff --
Sure, will remove it. Thanks!
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