danny0405 commented on code in PR #6141:
URL: https://github.com/apache/hudi/pull/6141#discussion_r925285786
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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:
The main change seems add end commit out of range check, so maybe we add a
end commit must be greater than start commit constraint.
And even if end commit is out of range, the case that
the end commit is greater than the latest commit
is a valid case.
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