Hi Spark Developers,

Is it possible to reliably determine the current global watermark that is
being used in a streaming query via StreamingQueryProgress.onQueryProgress
eventTime watermark String?

https://spark.apache.org/docs/2.2.1/api/java/org/apache/spark/sql/streaming/StreamingQueryProgress.html
 

The intention would be to precede the query watermark function with
something like a map function and compare event times with the assumed
global watermark to determine if the event will be dropped (i.e. too late).

If StreamingQueryProgress.onQueryProgress eventTime watermark does not
accurately reflect the current global watermark, is there another way to
reliably determine it?

Thanks for your help.

-Derek



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