[GitHub] [hudi] boneanxs commented on a diff in pull request #6141: [HUDI-3189] Fallback to full table scan with incremental query when files are cleaned up or achived for MOR table

[GitBox <gi...@apache.org>]

boneanxs commented on code in PR #6141:
URL: https://github.com/apache/hudi/pull/6141#discussion_r924288916


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hudi-spark-datasource/hudi-spark-common/src/main/scala/org/apache/hudi/MergeOnReadIncrementalRelation.scala:
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@@ -141,14 +145,47 @@ trait HoodieIncrementalRelationTrait extends HoodieBaseRelation {
   // Validate this Incremental implementation is properly configured
   validate()
 
-  protected lazy val includedCommits: immutable.Seq[HoodieInstant] = timeline.getInstants.iterator().asScala.toList
+  protected def startTimestamp: String = optParams(DataSourceReadOptions.BEGIN_INSTANTTIME.key)
+  protected def endTimestamp: String = optParams.getOrElse(DataSourceReadOptions.END_INSTANTTIME.key, super.timeline.lastInstant().get.getTimestamp)
+
+  protected def startOutOfRange: Boolean = super.timeline.isBeforeTimelineStarts(startTimestamp)
+  protected def endOutOfRange: Boolean = super.timeline.isBeforeTimelineStarts(endTimestamp)
+
+  // Fallback to full table scan if any of the following conditions matches:
+  //   1. the start commit is archived
+  //   2. the end commit is archived
+  //   3. there are files in metadata be deleted
+  protected lazy val fullTableScan: Boolean = {
+    val fallbackToFullTableScan = optParams.getOrElse(DataSourceReadOptions.INCREMENTAL_FALLBACK_TO_FULL_TABLE_SCAN_FOR_NON_EXISTING_FILES.key,

Review Comment:
   Here should we align with the Flink side which does not introduce a new param to control wether enable fullTableScan?



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