flyrain commented on code in PR #4683:
URL: https://github.com/apache/iceberg/pull/4683#discussion_r879941914
##########
core/src/main/java/org/apache/iceberg/deletes/Deletes.java:
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@@ -227,6 +237,39 @@ public void close() {
}
}
+ private static class PositionStreamDeleteMarker<T> extends
PositionStreamDeleteFilter<T> {
+ private final Consumer<T> markDeleted;
+
+ private PositionStreamDeleteMarker(CloseableIterable<T> rows, Function<T,
Long> extractPos,
+ CloseableIterable<Long>
deletePositions, Consumer<T> markDeleted) {
+ super(rows, extractPos, deletePositions);
+ this.markDeleted = markDeleted;
+ }
+
+ @Override
+ protected PositionFilterIterator
createPosDeleteIterator(CloseableIterator<T> items,
+
CloseableIterator<Long> deletePosIterator) {
+ return new PositionDeleteMarkerIterator(items, deletePosIterator);
+ }
+
+ private class PositionDeleteMarkerIterator extends PositionFilterIterator {
Review Comment:
Thanks for the suggestion. Made the change. We don't have to create the new
class for the marker. I use the `CloseableIterator.transform` for the marker,
and an anonymous class of FilterIterator for the filter. Added a test as well.
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