hvanhovell commented on a change in pull request #26127: [SPARK-29348][SQL] Add
observable Metrics for Streaming queries
URL: https://github.com/apache/spark/pull/26127#discussion_r351691368
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/streaming/progress.scala
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@@ -106,7 +109,9 @@ class StreamingQueryProgress private[sql](
val eventTime: ju.Map[String, String],
val stateOperators: Array[StateOperatorProgress],
val sources: Array[SourceProgress],
- val sink: SinkProgress) extends Serializable {
+ val sink: SinkProgress,
+ @JsonDeserialize(contentAs = classOf[GenericRowWithSchema])
Review comment:
It means that it can assume that the rows are instances of
`GenericRowWithSchema`.
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