dimas-b commented on code in PR #3352:
URL: https://github.com/apache/polaris/pull/3352#discussion_r2886318259
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runtime/service/src/main/java/org/apache/polaris/service/catalog/iceberg/IcebergCatalogHandler.java:
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@@ -1044,60 +1045,82 @@ public void commitTransaction(CommitTransactionRequest
commitTransactionRequest)
new TransactionWorkspaceMetaStoreManager(diagnostics(),
metaStoreManager());
((IcebergCatalog)
baseCatalog).setMetaStoreManager(transactionMetaStoreManager);
+ // Group all changes by table identifier to handle them atomically.
+ // This prevents conflicts when multiple changes target the same table
entity.
+ // LinkedHashMap preserves insertion order for deterministic processing.
+ Map<TableIdentifier, List<UpdateTableRequest>> changesByTable = new
LinkedHashMap<>();
Review Comment:
Could we add CockroachDB support first and then rebase #3360 on top of that?
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