Github user lw-lin commented on a diff in the pull request:
https://github.com/apache/spark/pull/12323#discussion_r59318208
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/state/HDFSBackedStateStoreProvider.scala
---
@@ -161,24 +163,27 @@ private[state] class HDFSBackedStateStoreProvider(
}
}
- /** Cancel all the updates made on this store. This store will not be
usable any more. */
+ /** Abort all the updates made on this store. This store will not be
usable any more. */
override def abort(): Unit = {
+ verify(state == UPDATING || state == ABORTED, "Cannot abort after
already committed")
--- End diff --
Let's disallow calling `abort()` on a state store when it has been
committed -- deltas or snapshots possibly has been already flushed onto HDFS.
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