amogh-jahagirdar commented on code in PR #11131:
URL: https://github.com/apache/iceberg/pull/11131#discussion_r1815725679


##########
core/src/main/java/org/apache/iceberg/ManifestFilterManager.java:
##########
@@ -185,6 +200,13 @@ List<ManifestFile> filterManifests(Schema tableSchema, 
List<ManifestFile> manife
       return ImmutableList.of();
     }
 
+    // The current set of referenced manifests can be trusted if it is a 
subset of the manifests
+    // being filtered. If a single referenced manifest is not in the set of 
manifests being filtered
+    // this indicates that the referenced manifests are stale and cannot be 
trusted.
+    Set<String> manifestLocations =

Review Comment:
   I updated to remove the check to always rewrite a manifest just because it 
had aged off deletes and no other reason to rewrite. This simplified a bit 
since now a lot of the referenced sets checks could be done upfront a bit more 
explicitly. See 
https://github.com/apache/iceberg/pull/11131#discussion_r1815710103



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