RussellSpitzer commented on a change in pull request #2865:
URL: https://github.com/apache/iceberg/pull/2865#discussion_r676708611
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File path: core/src/main/java/org/apache/iceberg/MergingSnapshotProducer.java
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@@ -309,6 +327,31 @@ protected void validateDataFilesExist(TableMetadata base,
Long startingSnapshotI
VALIDATE_DATA_FILES_EXIST_SKIP_DELETE_OPERATIONS :
VALIDATE_DATA_FILES_EXIST_OPERATIONS;
+ Pair<List<ManifestFile>, Set<Long>> history =
+ validationHistory(base, startingSnapshotId, matchingOperations,
ManifestContent.DATA);
+ List<ManifestFile> manifests = history.first();
+ Set<Long> newSnapshots = history.second();
+
+ ManifestGroup matchingDeletesGroup = new ManifestGroup(ops.io(),
manifests, ImmutableList.of())
+ .filterManifestEntries(entry -> entry.status() !=
ManifestEntry.Status.ADDED &&
+ newSnapshots.contains(entry.snapshotId()) &&
requiredDataFiles.contains(entry.file().path()))
+ .specsById(base.specsById())
+ .ignoreExisting();
+
+ try (CloseableIterator<ManifestEntry<DataFile>> deletes =
matchingDeletesGroup.entries().iterator()) {
+ if (deletes.hasNext()) {
+ throw new ValidationException("Cannot commit, missing data files: %s",
Review comment:
"Cannot commit, deletes have been added to the table which refer to data
files which no longer exist"?
I think I go that right here ... It would help me a lot if the message here
was a bit more explanatory about what went wrong and why.
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