RussellSpitzer commented on code in PR #12824:
URL: https://github.com/apache/iceberg/pull/12824#discussion_r2054970782


##########
spark/v3.5/spark/src/main/java/org/apache/iceberg/spark/actions/RewriteDataFilesSparkAction.java:
##########
@@ -407,15 +409,49 @@ private Builder doExecuteWithPartialProgress(
 
   Stream<RewriteFileGroup> toGroupStream(
       RewriteExecutionContext ctx, Map<StructLike, List<List<FileScanTask>>> 
groupsByPartition) {
-    return groupsByPartition.entrySet().stream()
+
+    if (maxFilesToRewrite == 0) {

Review Comment:
   I realize this is getting a bit ugly so feel free to refactor this whole 
mess into something that doesn't use streams. We may as well just do some 
"breaks" and returns, or "while"'s



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