Github user marmbrus commented on a diff in the pull request:
https://github.com/apache/spark/pull/15954#discussion_r90082045
--- Diff: python/pyspark/sql/streaming.py ---
@@ -87,6 +88,24 @@ def awaitTermination(self, timeout=None):
else:
return self._jsq.awaitTermination()
+ @property
+ @since(2.1)
+ def recentProgresses(self):
+ """Returns an array of the most recent [[StreamingQueryProgress]]
updates for this query.
+ The number of progress updates retained for each stream is
configured by Spark session
+ configuration `spark.sql.streaming.numRecentProgresses`.
+ """
+ return [json.loads(p.json()) for p in self._jsq.recentProgresses()]
+
+ @property
+ @since(2.1)
+ def lastProgress(self):
+ """
+ Returns the most recent :class:`StreamingQueryProgress` update of
this streaming query.
+ :return: a map
+ """
+ return json.loads(self._jsq.lastProgress().toString())
--- End diff --
I'd use `json` as above instead of relying on the fact that the `toString`
is `json`.
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