rdblue commented on code in PR #17159:
URL: https://github.com/apache/iceberg/pull/17159#discussion_r3562170937
##########
core/src/main/java/org/apache/iceberg/ContentStats.java:
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@@ -35,6 +34,9 @@ interface ContentStats extends StructLike {
*/
<T> FieldStats<T> statsFor(int fieldId);
- /** The stats struct holding nested structs with their respective field
stats */
- Types.StructType statsStruct();
+ /** Container struct type containing tracked field-level stats structs. */
+ Types.StructType type();
+
+ /** Returns a copy of these {@link ContentStats}, deep-copying the contained
field stats. */
+ ContentStats copy();
Review Comment:
Needed to implement copy in `TrackedFile` correctly. We also need to follow
up with methods to project by field ID.
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