gaborgsomogyi commented on a change in pull request #29729:
URL: https://github.com/apache/spark/pull/29729#discussion_r489222628



##########
File path: 
external/kafka-0-10-sql/src/main/scala/org/apache/spark/sql/kafka010/KafkaOffsetReader.scala
##########
@@ -182,28 +170,14 @@ private[kafka010] class KafkaOffsetReader(
         "If startingOffsets contains specific offsets, you must specify all 
TopicPartitions.\n" +
           "Use -1 for latest, -2 for earliest, if you don't care.\n" +
           s"Specified: ${partitionOffsets.keySet} Assigned: 
${partitions.asScala}")
-      logDebug(s"Partitions assigned to consumer: $partitions. Seeking to 
$partitionOffsets")
+      logDebug(s"Assigned partitions: $partitions. Seeking to 
$partitionOffsets")
     }
 
     val fnRetrievePartitionOffsets: ju.Set[TopicPartition] => 
Map[TopicPartition, Long] = { _ =>
       partitionOffsets
     }
 
-    val fnAssertFetchedOffsets: Map[TopicPartition, Long] => Unit = { fetched 
=>
-      partitionOffsets.foreach {
-        case (tp, off) if off != KafkaOffsetRangeLimit.LATEST &&
-          off != KafkaOffsetRangeLimit.EARLIEST =>
-          if (fetched(tp) != off) {
-            reportDataLoss(

Review comment:
       As mentioned in the doc already but putting it here as well this 
condition was never covered w/ testcases. Maybe never worked?! Not sure...




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