aokolnychyi commented on a change in pull request #3287:
URL: https://github.com/apache/iceberg/pull/3287#discussion_r733100608
##########
File path: core/src/main/java/org/apache/iceberg/deletes/Deletes.java
##########
@@ -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();
Review comment:
Any tips on how to use this bitmap implementation in the most efficient
way? For example, is setting bit by bit the only way to init the state? I
checked the API and did not find anything applicable. Just asking. Maybe, we
can check how Spark uses it.
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
