presto-raptor-legacy/src/main/java/io/prestosql/plugin/raptor/legacy/metadata/DatabaseShardManager.java/DatabaseShardManager/transactionConflict
class DatabaseShardManager:    private static PrestoException transactionConflict()
    {
        return new PrestoException(TRANSACTION_CONFLICT, "Table was updated by a different transaction. Please retry the operation.");
    }