HeartSaVioR commented on code in PR #38503:
URL: https://github.com/apache/spark/pull/38503#discussion_r1021196487
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sql/core/src/test/scala/org/apache/spark/sql/streaming/StreamingDeduplicationSuite.scala:
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@@ -190,20 +190,25 @@ class StreamingDeduplicationSuite extends
StateStoreMetricsTest {
.agg(sum("num"))
.as[(String, Long)]
- testStream(result, Update)(
- AddData(inputData, "a" -> 1),
- CheckLastBatch("a" -> 1L),
- assertNumStateRows(total = Seq(1L, 1L), updated = Seq(1L, 1L)),
- AddData(inputData, "a" -> 1), // Dropped
- CheckLastBatch(),
- assertNumStateRows(total = Seq(1L, 1L), updated = Seq(0L, 0L)),
- AddData(inputData, "a" -> 2),
- CheckLastBatch("a" -> 3L),
- assertNumStateRows(total = Seq(1L, 2L), updated = Seq(1L, 1L)),
- AddData(inputData, "b" -> 1),
- CheckLastBatch("b" -> 1L),
- assertNumStateRows(total = Seq(2L, 3L), updated = Seq(1L, 1L))
- )
+ // As of [SPARK-40940], multiple state operator with Complete mode is
disabled by default
Review Comment:
If we sort this out properly, then we probably could come up with a couple
of (or several) golden rules from here e.g. no stateful operator is supported
after stateful operator A in some output mode(s). The list of rules has to
still be a hand-made one though.
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