anoopj commented on code in PR #16666:
URL: https://github.com/apache/iceberg/pull/16666#discussion_r3384622022


##########
core/src/main/java/org/apache/iceberg/InheritableMetadataFactory.java:
##########
@@ -86,6 +98,9 @@ public <F extends ContentFile<F>> ManifestEntry<F> 
apply(ManifestEntry<F> manife
         file.setDataSequenceNumber(manifestEntry.dataSequenceNumber());
         file.setFileSequenceNumber(manifestEntry.fileSequenceNumber());
         file.setManifestLocation(manifestLocation);
+        if (baseLocation != null && file.path() != null) {
+          file.setLocation(LocationUtil.resolveLocation(baseLocation, 
file.location()));

Review Comment:
   I'm not certain, but I suspect this might cause manifest rewrite paths to 
always persist the absolute location. (Appends paths would be fine). I guess 
the tests are probably passing because the v3 paths are always absolute. 



##########
core/src/main/java/org/apache/iceberg/BaseFile.java:
##########
@@ -280,6 +280,10 @@ void setManifestLocation(String manifestLocation) {
     this.manifestLocation = manifestLocation;
   }
 
+  void setLocation(String location) {

Review Comment:
   This is an open design question, but I think `BaseFile` is probably not the 
correct place to inject the location since we want to isolate this to v4-only 
code paths. Most likely, we will do the path resolution/relativization in the 
v4-only adapter layer, as done in this 
[prototype](https://github.com/apache/iceberg/pull/16150). 



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