WweiL commented on code in PR #38503:
URL: https://github.com/apache/spark/pull/38503#discussion_r1022251949
##########
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:
Must works:
- Join on equality chained with agg in Append mode
- Time-interval join & flatmapgroupswithSate followed by stateful op:
disallowed
- Just don't count when dedup doesn't have eventtime
- ? only allow all stateful followed by dedup -> only in Update and Complete
mode
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