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Provides an interface to determine if the in-flight transaction on a now unavailable session committed or not, and if the last call on that session completed or not.
Planned Maintenance test types
err_server_ahead: the server is ahead, so the transaction is an old transaction and must have already been committed.
err_client_ahead: the client is ahead of the server. This can only happen if the server has been flashbacked or the ltxid is corrupted. The outcome cannot be determined.