gaborgsomogyi commented on a change in pull request #23747: [SPARK-26848][SQL]
Introduce new option to Kafka source: offset by timestamp (starting/ending)
URL: https://github.com/apache/spark/pull/23747#discussion_r266423437
##########
File path:
external/kafka-0-10-sql/src/test/scala/org/apache/spark/sql/kafka010/KafkaRelationSuite.scala
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@@ -142,6 +142,118 @@ class KafkaRelationSuite extends QueryTest with
SharedSQLContext with KafkaTest
checkAnswer(df, (0 to 30).map(_.toString).toDF)
}
+ test("timestamp provided for starting and ending") {
+ val (topic, timestamps) = prepareTimestampRelatedUnitTest
+
+ // timestamp both presented: starting "first" ending "finalized"
+ verifyTimestampRelatedQueryResult({ df =>
+ val startTopicTimestamps = Map(topic -> timestamps.head)
+ val startingTimestamps = JsonUtils.topicTimestamps(startTopicTimestamps)
+
+ val endTopicTimestamps = Map(topic -> timestamps(3))
+ val endingTimestamps = JsonUtils.topicTimestamps(endTopicTimestamps)
+
+ df.option("startingOffsetsByTimestamp", startingTimestamps)
+ .option("endingOffsetsByTimestamp", endingTimestamps)
+ }, topic, 0 to 20)
Review comment:
It would be good to have tests where at least one message from beginning/end
filtered out. Sending data and reading back all doesn't test much (apart from
the functions are callable).
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