rdblue commented on code in PR #17932:
URL: https://github.com/apache/iceberg/pull/17932#discussion_r3928996877
##########
core/src/main/java/org/apache/iceberg/TrackedFileAdapters.java:
##########
@@ -410,6 +414,114 @@ public DeleteFile copyWithStats(Set<Integer>
requestedColumnIds) {
}
}
+ /** Adapts a TrackedFile to {@link ManifestFile}. */
+ private static class TrackedManifestFile implements ManifestFile {
+ private final TrackedFile file;
+
+ private TrackedManifestFile(TrackedFile file) {
+ this.file = file;
+ }
+
+ @Override
+ public String path() {
+ return file.location();
+ }
+
+ @Override
+ public long length() {
+ return file.fileSizeInBytes();
+ }
+
+ @Override
+ public int partitionSpecId() {
+ throw new UnsupportedOperationException(
+ "v4 manifests are not bound to a single partition spec");
+ }
+
+ @Override
+ public ManifestContent content() {
+ switch (file.contentType()) {
+ case DATA_MANIFEST:
+ return ManifestContent.DATA;
+ case DELETE_MANIFEST:
+ return ManifestContent.DELETES;
+ default:
+ throw new IllegalStateException(
+ "Unsupported content type for manifests: " + file.contentType());
+ }
+ }
+
+ @Override
+ public long sequenceNumber() {
+ return file.tracking().dataSequenceNumber();
+ }
+
+ @Override
+ public long minSequenceNumber() {
+ return file.manifestInfo().minSequenceNumber();
+ }
+
+ @Override
+ public Long snapshotId() {
+ return file.tracking().snapshotId();
+ }
+
+ @Override
+ public Integer addedFilesCount() {
+ return file.manifestInfo().addedFilesCount();
+ }
+
+ @Override
+ public Long addedRowsCount() {
+ return file.manifestInfo().addedRowsCount();
+ }
+
+ @Override
+ public Integer existingFilesCount() {
+ return file.manifestInfo().existingFilesCount();
+ }
+
+ @Override
+ public Long existingRowsCount() {
+ return file.manifestInfo().existingRowsCount();
+ }
+
+ @Override
+ public Integer deletedFilesCount() {
+ return file.manifestInfo().deletedFilesCount();
+ }
+
+ @Override
+ public Long deletedRowsCount() {
+ return file.manifestInfo().deletedRowsCount();
+ }
+
+ @Override
+ public List<PartitionFieldSummary> partitions() {
+ return null;
+ }
+
+ @Override
+ public ByteBuffer keyMetadata() {
+ return file.keyMetadata();
+ }
+
+ @Override
+ public Long firstRowId() {
+ return file.tracking().firstRowId();
+ }
+
+ @Override
+ public ByteBuffer deletionVector() {
Review Comment:
It's a little odd that in most places we're using `deletionVector` that
returned `DeletionVector` but here we're wrapping a `dv()` call and returning
`ByteBuffer`. I wonder if we should use a different name to signal that it
isn't the same thing. What about `metadataDV` or `manifestDeletionVector`?
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