Github user tdas commented on a diff in the pull request:
https://github.com/apache/spark/pull/16970#discussion_r102378594
--- Diff:
sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/analysis/UnsupportedOperationsSuite.scala
---
@@ -129,6 +156,33 @@ class UnsupportedOperationsSuite extends SparkFunSuite
{
outputMode = Complete,
expectedMsgs = Seq("(map/flatMap)GroupsWithState"))
+ assertSupportedInStreamingPlan(
+ "mapGroupsWithState - mapGroupsWithState on batch relation inside
streaming relation",
+ MapGroupsWithState(null, att, att, Seq(att), Seq(att), att, att,
Seq(att), batchRelation),
+ outputMode = Append
+ )
+
+ // Deduplication: Not supported after a streaming aggregation
+ assertSupportedInStreamingPlan(
+ "Deduplication - Deduplication on streaming relation before
aggregation",
+ Aggregate(
+ Seq(attributeWithWatermark),
+ aggExprs("c"),
+ Deduplication(Seq(att), streamRelation, streaming = true)),
+ outputMode = Append)
+
+ assertNotSupportedInStreamingPlan(
+ "Deduplication - Deduplication on streaming relation after
aggregation",
+ Deduplication(Seq(att), Aggregate(Nil, aggExprs("c"), streamRelation),
streaming = true),
+ outputMode = Complete,
+ expectedMsgs = Seq("dropDuplicates"))
+
+ assertSupportedInStreamingPlan(
+ "Deduplication - Deduplication on batch relation inside streaming
relation",
--- End diff --
nit: inside a streaming query.
sounds weird otherwise.
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