HeartSaVioR commented on code in PR #38911: URL: https://github.com/apache/spark/pull/38911#discussion_r1042795449
########## connector/kafka-0-10-sql/src/main/scala/org/apache/spark/sql/kafka010/KafkaMicroBatchStream.scala: ########## @@ -316,6 +320,50 @@ private[kafka010] class KafkaMicroBatchStream( } } + private def assertEndOffsetForTriggerAvailableNow( + endPartitionOffsets: Map[TopicPartition, Long]): Unit = { + val tpsForPrefetched = allDataForTriggerAvailableNow.keySet + val tpsForEndOffset = endPartitionOffsets.keySet + + if (tpsForPrefetched != tpsForEndOffset) { + throw KafkaExceptions.topicPartitionsInEndOffsetAreNotSameWithPrefetched( + tpsForPrefetched, tpsForEndOffset) + } + + val endOffsetHasGreaterThanPrefetched = { + allDataForTriggerAvailableNow.keySet.exists { tp => + val offsetFromPrefetched = allDataForTriggerAvailableNow(tp) + val offsetFromEndOffset = endPartitionOffsets(tp) + offsetFromEndOffset > offsetFromPrefetched + } + } + if (endOffsetHasGreaterThanPrefetched) { + throw KafkaExceptions.endOffsetHasGreaterOffsetForTopicPartitionThanPrefetched( + allDataForTriggerAvailableNow, endPartitionOffsets) + } + + val latestOffsets = kafkaOffsetReader.fetchLatestOffsets(Some(endPartitionOffsets)) Review Comment: If failOnDataLoss is turned on, we tolerate the removal of topic partition, and allow offset to go "backward". -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org