aokolnychyi commented on code in PR #4703:
URL: https://github.com/apache/iceberg/pull/4703#discussion_r877234494


##########
api/src/main/java/org/apache/iceberg/RewriteFiles.java:
##########
@@ -84,4 +84,12 @@ RewriteFiles rewriteFiles(Set<DataFile> dataFilesToReplace, 
Set<DeleteFile> dele
    * @return this for method chaining
    */
   RewriteFiles validateFromSnapshot(long snapshotId);
+
+  /**
+   * Ignore the position deletes in rewrite validation. Flink upsert job only 
generates position deletes in the
+   * ongoing transaction, so it is not necessary to validate position deletes 
when rewriting.
+   *
+   * @return this for method chaining
+   */
+  RewriteFiles ignorePosDeletesInValidation();

Review Comment:
   I haven't seen #4748. I'll try to check it out later today. From a quick 
look, I think it is similar yet a bit different from what I was proposing here. 
I was thinking about a new method in `DeleteFileIndex` that would only match 
position delete files added in later snapshots (ignoring position deletes added 
in the same snapshot) and then having an option to use that from the 
`RewriteFiles` API.
   
   I think our assumption should be that multiple engines can write to the 
table (we are about to have such use cases, in fact). 



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