rdblue commented on code in PR #16936:
URL: https://github.com/apache/iceberg/pull/16936#discussion_r3929736179
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core/src/main/java/org/apache/iceberg/TrackedFileAdapters.java:
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@@ -53,6 +63,49 @@ static DeleteFile asEqualityDeleteFile(TrackedFile file,
Map<Integer, PartitionS
return new TrackedEqualityDeleteFile(file, resolveSpec(file, specsById));
}
+ /**
+ * Returns a reusable wrapper that presents a {@link DataFile} as a {@link
TrackedFile} row.
+ *
+ * @param formatVersion the target table's format version (must be 4+)
+ * @param tableSchema table schema used to build {@link ContentStats} from
the file's stats
+ * @param metricsConfig metrics config used to prune the content stats schema
+ * @param partitionType target partition struct type; use one spec's
partition type for a
+ * single-spec manifest, or the union across live specs for a multi-spec
manifest
+ */
+ static DataTrackedFile forDataFile(
Review Comment:
It looks like this has a different API than the adapters from `TrackedFile`
to `ManifestFile` and `DataFile`. Those create a wrapper on each call, while
this creates a wrapper that can be reused. I like the reuse, but we should be
consistent.
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