Github user tdas commented on a diff in the pull request:
https://github.com/apache/spark/pull/19239#discussion_r139025952
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/StreamExecution.scala
---
@@ -560,13 +567,24 @@ class StreamExecution(
}
if (hasNewData) {
var batchWatermarkMs = offsetSeqMetadata.batchWatermarkMs
- // Update the eventTime watermark if we find one in the plan.
+ // Update the eventTime watermarks if we find any in the plan.
--- End diff --
its still a single watermark that is being updated. it just happens to be
updated using multiple watermarks.
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