xuanyuanking commented on a change in pull request #29256:
URL: https://github.com/apache/spark/pull/29256#discussion_r463478249
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File path:
sql/core/src/test/scala/org/apache/spark/sql/streaming/StreamingQuerySuite.scala
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@@ -1106,6 +1106,41 @@ class StreamingQuerySuite extends StreamTest with
BeforeAndAfter with Logging wi
}
}
+ test("union in streaming query of append mode without watermark") {
+ val inputData1 = MemoryStream[Int]
+ val inputData2 = MemoryStream[Int]
+ withTempDir { dir =>
+ withTempView("s1", "s2") {
+ inputData1.toDF().createOrReplaceTempView("s1")
+ inputData2.toDF().createOrReplaceTempView("s2")
+ val unioned = spark.sql(
+ "select s1.value from s1 union select s2.value from s2")
+ checkExceptionMessage(unioned, dir)
+ }
+ }
+ }
+
+ test("distinct in streaming query of append mode without watermark") {
+ val inputData = MemoryStream[Int]
+ withTempDir { dir =>
+ withTempView("deduptest") {
+ inputData.toDF().toDF("value").createOrReplaceTempView("deduptest")
Review comment:
The first `toDF` is `MemoryStreamBase.toDF`. The second one is
`Dataset.toDF`, which renamed the column name.
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