Github user zsxwing commented on a diff in the pull request:
https://github.com/apache/spark/pull/16991#discussion_r102324213
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/StreamingQueryListenerBus.scala
---
@@ -70,6 +70,10 @@ class StreamingQueryListenerBus(sparkListenerBus:
LiveListenerBus)
sparkListenerBus.post(s)
// post to local listeners to trigger callbacks
postToAll(s)
+ case t: QueryTerminatedEvent =>
+ // run all the listeners synchronized before removing the id from
the list
+ postToAll(t)
--- End diff --
It will post to all listeners directly in the current thread. Hence, the
listener may see QueryProgressEvent after QueryTerminatedEvent.
You can override `postToAll`. It's fine to remove `final` from the
`postToAll` method.
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