presto-hive/src/main/java/io/prestosql/plugin/hive/metastore/SemiTransactionalHiveMetastore.java/AlterTableOperation/undo
class AlterTableOperation:        public void undo(HiveMetastore metastore)
        {
            if (!undo) {
                return;
            }

            metastore.replaceTable(identity, oldTable.getDatabaseName(), oldTable.getTableName(), oldTable, principalPrivileges);
        }