wypoon commented on code in PR #4588:
URL: https://github.com/apache/iceberg/pull/4588#discussion_r937370595
##########
core/src/main/java/org/apache/iceberg/deletes/Deletes.java:
##########
@@ -202,17 +233,24 @@ boolean isDeleted(T row) {
}
private static class PositionStreamDeleteFilter<T> extends
PositionStreamDeleteIterable<T> {
- private PositionStreamDeleteFilter(CloseableIterable<T> rows, Function<T,
Long> rowToPosition,
- CloseableIterable<Long>
deletePositions) {
+ private final DeleteCounter counter;
+
+ PositionStreamDeleteFilter(CloseableIterable<T> rows, Function<T, Long>
rowToPosition,
+ CloseableIterable<Long> deletePositions,
DeleteCounter counter) {
super(rows, rowToPosition, deletePositions);
+ this.counter = counter;
}
@Override
protected CloseableIterator<T> applyDelete(CloseableIterator<T> items) {
return new FilterIterator<T>(items) {
@Override
protected boolean shouldKeep(T item) {
- return !isDeleted(item);
+ boolean deleted = isDeleted(item);
+ if (deleted) {
+ counter.increment();
+ }
+ return !deleted;
Review Comment:
I ran `IcebergSourceParquetPosDeleteBenchmark` before and after this change,
and the numbers for `readIceberg` show hardly any difference.
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