huaxingao commented on code in PR #14320:
URL: https://github.com/apache/iceberg/pull/14320#discussion_r2433895758
##########
core/src/main/java/org/apache/iceberg/rest/RESTTableOperations.java:
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@@ -155,20 +157,86 @@ public void commit(TableMetadata base, TableMetadata
metadata) {
// the error handler will throw necessary exceptions like
CommitFailedException and
// UnknownCommitStateException
// TODO: ensure that the HTTP client lib passes HTTP client errors to the
error handler
- LoadTableResponse response =
- client.post(path, request, LoadTableResponse.class, headers,
errorHandler);
+ LoadTableResponse response;
+ try {
+ response = client.post(path, request, LoadTableResponse.class, headers,
errorHandler);
+ } catch (CommitStateUnknownException e) {
+ // Lightweight reconciliation for snapshot-add-only updates on transient
unknown commit state
+ if (updateType == UpdateType.SIMPLE && reconcileOnSimpleUpdate(updates,
e)) {
+ return;
+ }
+
+ throw e;
+ }
// all future commits should be simple commits
this.updateType = UpdateType.SIMPLE;
updateCurrentMetadata(response);
Review Comment:
In the reconciliation branch we call `refresh()`, which internally calls
`updateCurrentMetadata`. That's why we intentionally skip calling
`updateCurrentMetadata` again.
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