Github user zsxwing commented on a diff in the pull request:
https://github.com/apache/spark/pull/15820#discussion_r88134526
--- Diff:
external/kafka-0-10-sql/src/main/scala/org/apache/spark/sql/kafka010/CachedKafkaConsumer.scala
---
@@ -83,6 +86,139 @@ private[kafka010] case class CachedKafkaConsumer
private(
record
}
+ /**
+ * Get the record at the `offset`. If it doesn't exist, try to get the
earliest record in
+ * `[offset, untilOffset)`.
+ */
+ def getAndIgnoreLostData(
+ offset: Long,
+ untilOffset: Long,
+ pollTimeoutMs: Long): ConsumerRecord[Array[Byte], Array[Byte]] = {
+ // scalastyle:off
+ // When `failOnDataLoss` is `false`, we need to handle the following
cases (note: untilOffset and latestOffset are exclusive):
--- End diff --
`latestOffset` means the latest offset that we get from the Kafka.
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