aokolnychyi commented on a change in pull request #3287:
URL: https://github.com/apache/iceberg/pull/3287#discussion_r733093988
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File path: core/src/main/java/org/apache/iceberg/deletes/Deletes.java
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@@ -107,6 +108,29 @@ public static StructLikeSet
toEqualitySet(CloseableIterable<StructLike> eqDelete
}
}
+ public static Roaring64Bitmap toPositionBitMap(CharSequence dataLocation,
+ CloseableIterable<? extends StructLike> deleteFile) {
+ return toPositionBitMap(dataLocation, ImmutableList.of(deleteFile));
+ }
+
+ public static <T extends StructLike> Roaring64Bitmap
toPositionBitMap(CharSequence dataLocation,
+ List<CloseableIterable<T>> deleteFiles) {
+ DataFileFilter<T> locationFilter = new DataFileFilter<>(dataLocation);
+ List<CloseableIterable<Long>> positions = Lists.transform(deleteFiles,
deletes ->
+ CloseableIterable.transform(locationFilter.filter(deletes), row ->
(Long) POSITION_ACCESSOR.get(row)));
+ return toPositionBitMap(CloseableIterable.concat(positions));
+ }
+
+ public static Roaring64Bitmap toPositionBitMap(CloseableIterable<Long>
posDeletes) {
+ try (CloseableIterable<Long> deletes = posDeletes) {
+ Roaring64Bitmap bitmap = new Roaring64Bitmap();
+ deletes.forEach(pos -> bitmap.add(pos));
Review comment:
nit: just `bitmap::add`
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