aokolnychyi commented on code in PR #11481:
URL: https://github.com/apache/iceberg/pull/11481#discussion_r1832249335
##########
data/src/main/java/org/apache/iceberg/data/BaseDeleteLoader.java:
##########
@@ -146,6 +151,26 @@ private <T> Iterable<T> materialize(CloseableIterable<T>
iterable) {
@Override
public PositionDeleteIndex loadPositionDeletes(
Iterable<DeleteFile> deleteFiles, CharSequence filePath) {
+ if (containsDVs(deleteFiles)) {
+ DeleteFile dv = Iterables.getOnlyElement(deleteFiles);
+ validateDV(dv, filePath);
+ return readDV(dv); // TODO: support caching entire DV files
Review Comment:
I am not sure we can efficiently implement caching with the current Puffin
reader, as it would require at least 3 requests (one to find the footer size,
one to read the footer, and one for the content). In theory, we can do this in
a single read, given that we know the overall size of the Puffin file.
Therefore, I suggest that we keep this TODO and revisit it later.
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