Github user tdas commented on a diff in the pull request:
https://github.com/apache/spark/pull/17361#discussion_r107307589
--- Diff:
sql/catalyst/src/main/java/org/apache/spark/sql/streaming/KeyedStateTimeout.java
---
@@ -34,9 +32,20 @@
@InterfaceStability.Evolving
public class KeyedStateTimeout {
- /** Timeout based on processing time. */
+ /**
+ * Timeout based on processing time. The duration of timeout can be set
for each group in
+ * `map/flatMapGroupsWithState` by calling
`KeyedState.setTimeoutDuration()`.
+ */
public static KeyedStateTimeout ProcessingTimeTimeout() { return
ProcessingTimeTimeout$.MODULE$; }
--- End diff --
Its just that if someone this does `import KeyedStateTimeout._` the code
boils down to
`flatMapGroupsWithState(Update, ProcessingTime) { ... } ` with no reference
to timeout.
Fine either way.
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