BsoBird commented on code in PR #9546:
URL: https://github.com/apache/iceberg/pull/9546#discussion_r1506071316
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core/src/main/java/org/apache/iceberg/hadoop/HadoopTableOperations.java:
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@@ -368,58 +431,63 @@ private void renameToFinal(FileSystem fs, Path src, Path
dst, int nextVersion) {
if (fs.exists(dst)) {
throw new CommitFailedException("Version %d already exists: %s",
nextVersion, dst);
}
-
- if (!fs.rename(src, dst)) {
- CommitFailedException cfe =
- new CommitFailedException("Failed to commit changes using rename:
%s", dst);
- RuntimeException re = tryDelete(src);
- if (re != null) {
- cfe.addSuppressed(re);
- }
- throw cfe;
- }
- } catch (IOException e) {
- CommitFailedException cfe =
- new CommitFailedException(e, "Failed to commit changes using rename:
%s", dst);
- RuntimeException re = tryDelete(src);
- if (re != null) {
- cfe.addSuppressed(re);
+ if (!nextVersionIsLatest(nextVersion, fs)) {
+ throw new CommitFailedException("Version %d too old: %s", nextVersion,
dst);
Review Comment:
Also, even if there were no concurrency issues, since we dropped the check
in dropOldVersionHint, it means that a user could commit an old version by
reading the old versionHint. Adding this check ensures that commits won't be a
problem.
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