Github user tdas commented on a diff in the pull request:
https://github.com/apache/spark/pull/15472#discussion_r83713217
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/state/StateStore.scala
---
@@ -77,6 +77,9 @@ trait StateStore {
*/
def updates(): Iterator[StoreUpdate]
+ /** Number of keys in the state store */
+ def numKeys(): Long
--- End diff --
This is in an internal API, so doesnt really matter. I can change it in the
follow up PR
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