amogh-jahagirdar commented on code in PR #11131:
URL: https://github.com/apache/iceberg/pull/11131#discussion_r1805121855
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core/src/main/java/org/apache/iceberg/ManifestFilterManager.java:
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@@ -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:
These manifests are the set of manifests in the parent snapshot. I think the
check that the referenced manifests is a subset of the manifests in the parent
is sufficient. The reason is in the case of a concurrent update which removes 1
or more of the currently referenced manifests, the parent would reflect this
removal (since every retry due to a concurrent update would naturally have an
updated parent and therefore an updated view of what are the manifests
currently). cc @rdblue @aokolnychyi
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