aokolnychyi commented on code in PR #6335:
URL: https://github.com/apache/iceberg/pull/6335#discussion_r1276752392
##########
core/src/main/java/org/apache/iceberg/FastAppend.java:
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@@ -178,8 +178,28 @@ public Object updateEvent() {
@Override
protected void cleanUncommitted(Set<ManifestFile> committed) {
- if (newManifest != null && !committed.contains(newManifest)) {
- deleteFile(newManifest.path());
+ if (newManifests != null) {
+ // Delete newManifests that have not been committed and clear them from
the list.
+ // This is needed for manifests cleanup especially in transaction mode,
for example:
+ // Transaction txn = beginTransaction(...)
+ //
+ // // Operation succeeds and calls cleanUncommitted
+ // txn.newFastAppend().appendFile(...).commit();
+ //
+ // // Some other operations ...
+ //
+ // // Commit fails and needs to clean up newManifests
+ // txn.commitTransaction()
+ List<ManifestFile> cleanedNewManifests = Lists.newArrayList();
Review Comment:
Shouldn't this be called `committedNewManifests`? The name suggests it holds
a set of cleaned up manifests (which I interpret as deleted) while it is the
opposite of that.
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