dongjoon-hyun commented on a change in pull request #24996: [SPARK-28199][SS]
Replace deprecated ProcessingTime with ProcessingTimeTrigger and hide from end
users
URL: https://github.com/apache/spark/pull/24996#discussion_r300838883
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/Triggers.scala
##########
@@ -27,3 +32,34 @@ import org.apache.spark.sql.streaming.Trigger
@Experimental
@Evolving
case object OneTimeTrigger extends Trigger
+
+/**
+ * A [[Trigger]] that runs a query periodically based on the processing time.
If `interval` is 0,
+ * the query will run as fast as possible.
+ */
+@Evolving
+private[sql] case class ProcessingTimeTrigger(intervalMs: Long) extends
Trigger {
Review comment:
Ur, moving looks okay, but the new deprecation of `OneTimeTrigger` there is
unexpected one for me.
```
@deprecated("use Trigger.Once()", "3.0.0")
// NOTE: In later release, we can change this to `private[sql]` and remove
deprecated.
case object OneTimeTrigger extends Trigger
```
Please make another PR for the deprecation of `OneTimeTrigger` if we really
need that.
If the PR has multiple themes unexpectedly, we cannot merge it.
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