chenjunjiedada commented on a change in pull request #2865:
URL: https://github.com/apache/iceberg/pull/2865#discussion_r676235707



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File path: core/src/main/java/org/apache/iceberg/MergingSnapshotProducer.java
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@@ -62,6 +63,9 @@
       ImmutableSet.of(DataOperations.OVERWRITE, DataOperations.REPLACE, 
DataOperations.DELETE);
   private static final Set<String> 
VALIDATE_DATA_FILES_EXIST_SKIP_DELETE_OPERATIONS =
       ImmutableSet.of(DataOperations.OVERWRITE, DataOperations.REPLACE);
+  // delete files are only added in "overwrite" operations

Review comment:
       The rewrite deletes action will replace old deletes with new ones. Does 
that count add deletes operation?




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