HeartSaVioR commented on a change in pull request #23301:
[SPARK-26350][SS]Allow to override group id of the Kafka consumer
URL: https://github.com/apache/spark/pull/23301#discussion_r241245600
##########
File path:
external/kafka-0-10-sql/src/test/scala/org/apache/spark/sql/kafka010/KafkaRelationSuite.scala
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@@ -239,6 +239,18 @@ class KafkaRelationSuite extends QueryTest with
SharedSQLContext with KafkaTest
testBadOptions("subscribePattern" -> "")("pattern to subscribe is empty")
}
+ test("allow group.id overriding") {
+ // Tests code path KafkaSourceProvider.createRelation(.)
+ val topic = newTopic()
+ testUtils.createTopic(topic, partitions = 3)
+ testUtils.sendMessages(topic, (1 to 10).map(_.toString).toArray, Some(0))
+ testUtils.sendMessages(topic, (11 to 20).map(_.toString).toArray, Some(1))
+ testUtils.sendMessages(topic, (21 to 30).map(_.toString).toArray, Some(2))
+
+ val df = createDF(topic, withOptions = Map("kafka.group.id" -> "custom"))
+ checkAnswer(df, (1 to 30).map(_.toString).toDF())
Review comment:
Same here.
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