danielcweeks commented on code in PR #14264:
URL: https://github.com/apache/iceberg/pull/14264#discussion_r2417187369
##########
core/src/main/java/org/apache/iceberg/BaseIncrementalChangelogScan.java:
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@@ -71,6 +80,12 @@ protected CloseableIterable<ChangelogScanTask> doPlanFiles(
.filter(manifest ->
changelogSnapshotIds.contains(manifest.snapshotId()))
.toSet();
+ // Build delete file index for existing deletes (before the start snapshot)
+ DeleteFileIndex existingDeleteIndex =
buildExistingDeleteIndex(fromSnapshotIdExclusive);
Review Comment:
I'm a little confused as to why we need to build the delete index before the
start index. If a delete file exists prior to the start snapshot, it would
only apply to data files that exist prior to selected scan range. This feels
like it would never apply to the scan range.
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