presto-hive/src/main/java/io/prestosql/plugin/hive/metastore/SemiTransactionalHiveMetastore.java/SemiTransactionalHiveMetastore/executeAddPartitionOperations
class SemiTransactionalHiveMetastore:        private void executeAddPartitionOperations()
        {
            for (PartitionAdder partitionAdder : partitionAdders.values()) {
                partitionAdder.execute();
            }
        }