aokolnychyi commented on a change in pull request #264: Add table UUID
URL: https://github.com/apache/incubator-iceberg/pull/264#discussion_r300858704
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File path: core/src/main/java/org/apache/iceberg/SnapshotProducer.java
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@@ -231,7 +231,9 @@ public void commit() {
Snapshot newSnapshot = apply();
newSnapshotId.set(newSnapshot.snapshotId());
TableMetadata updated = base.replaceCurrentSnapshot(newSnapshot);
- taskOps.commit(base, updated);
+ // if the table UUID is missing, add it here. the UUID will be
re-created each time this operation retries
+ // to ensure that if a concurrent operation assigns the UUID, this
operation will not fail.
+ taskOps.commit(base, updated.withUUID());
Review comment:
Just to make sure I understand: table UUID isn't supposed to change once
assigned and cannot be set back to null, right?
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