boneanxs commented on code in PR #6141:
URL: https://github.com/apache/hudi/pull/6141#discussion_r936274199
##########
hudi-spark-datasource/hudi-spark-common/src/main/scala/org/apache/hudi/MergeOnReadIncrementalRelation.scala:
##########
@@ -124,14 +128,48 @@ 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,
+
DataSourceReadOptions.INCREMENTAL_FALLBACK_TO_FULL_TABLE_SCAN_FOR_NON_EXISTING_FILES.defaultValue).toBoolean
+
+ fallbackToFullTableScan && (startOutOfRange || endOutOfRange ||
affectedFilesInCommits.exists(fileStatus =>
!metaClient.getFs.exists(fileStatus.getPath)))
+ }
+
+ protected lazy val includedCommits: immutable.Seq[HoodieInstant] = {
+ if (!endOutOfRange) {
+ // If endTimestamp commit is not archived, will filter instants
+ // before endTimestamp.
+ super.timeline.findInstantsInRange(startTimestamp,
endTimestamp).getInstants.iterator().asScala.toList
+ } else {
+ super.timeline.getInstants.iterator().asScala.toList
+ }
Review Comment:
Yea, there could be a situation that startInstant is not archived, while
endInstant is archived, should return empty commits
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