rdblue commented on code in PR #6432:
URL: https://github.com/apache/iceberg/pull/6432#discussion_r1051677178


##########
core/src/main/java/org/apache/iceberg/deletes/Deletes.java:
##########
@@ -144,7 +146,18 @@ public static <T extends StructLike> PositionDeleteIndex 
toPositionIndex(
             deletes ->
                 CloseableIterable.transform(
                     locationFilter.filter(deletes), row -> (Long) 
POSITION_ACCESSOR.get(row)));
-    return toPositionIndex(CloseableIterable.concat(positions));
+    return toPositionIndex(positions);
+  }
+
+  public static PositionDeleteIndex 
toPositionIndex(List<CloseableIterable<Long>> positions) {

Review Comment:
   Can you have this check whether there is more than one iterable? There's no 
need to use ParallelIterable if there's only one.



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