amogh-jahagirdar commented on code in PR #11131:
URL: https://github.com/apache/iceberg/pull/11131#discussion_r1851084624
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core/src/main/java/org/apache/iceberg/ManifestFilterManager.java:
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@@ -185,6 +198,16 @@ List<ManifestFile> filterManifests(Schema tableSchema,
List<ManifestFile> manife
return ImmutableList.of();
}
+ // Use the current set of referenced manifests as a source of truth when
it's a subset of all
+ // manifests and all removals which were performed reference manifests.
+ // If a manifest is not in the trusted referenced set, filtering can be
skipped
+ // assuming that the manifest does not have any live entries or aged out
deletes
+ Set<String> manifestLocations =
+ manifests.stream().map(ManifestFile::path).collect(Collectors.toSet());
+ boolean trustReferencedManifests =
Review Comment:
I tried a bit here on naming, but unfortunately couldn't get a shorter name
which accurately captures what this variable represents. I just went ahead with
a helper method, since I think really someone reading the code in most cases
generally just needs to know what it means to trust the referenced manifests
rather than the "how". If they need to know the conditions for trust, it seems
reasonable to just read the helper method logic.
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