zachdisc commented on code in PR #9731:
URL: https://github.com/apache/iceberg/pull/9731#discussion_r1501620980
##########
api/src/main/java/org/apache/iceberg/actions/RewriteManifests.java:
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@@ -44,6 +47,38 @@ public interface RewriteManifests
*/
RewriteManifests rewriteIf(Predicate<ManifestFile> predicate);
+ /**
+ * Rewrite manifests in a given order, based on partition field names
+ *
+ * <p>Supply an optional set of partition field names to sort the rewritten
manifests by. Expects
+ * exact transformed column names used for partitioning; not the raw
columnnames that partitions
+ * are derived from. E.G. supply 'data_bucket' and not 'data' for a
bucket(N, data) partition
+ * definition
+ *
+ * <p>If not set, manifests will be rewritten in the order of the transforms
in the table's
+ * current partition spec.
+ *
+ * @param partitionFieldSortOrder a list of partition field names
+ * @return this for method chaining
+ */
+ default RewriteManifests sort(List<String> partitionFieldSortOrder) {
+ throw new UnsupportedOperationException(
+ this.getClass().getName() + " doesn't implement sort(List<String>)");
+ }
+
+ /**
+ * Rewrite manifests in a given order, dictated by a custom Function
+ *
+ * <p>Supply a Function which will apply its own custom clustering logic
based on supplied {@link
+ * org.apache.iceberg.DataFile} attributes.
+ *
+ * @param sortStrategyFunction A Function that returns a String to be used
for manifest clustering
+ * @return this method for chaining
+ */
+ default RewriteManifests sort(Function<DataFile, String>
sortStrategyFunction) {
+ throw new UnsupportedOperationException();
Review Comment:
Ack, my bad
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