CREATE TABLE `WikiParagraphs` (
  `ID` int(10) unsigned NOT NULL auto_increment,
  `Paragraph` text NOT NULL,
  PRIMARY KEY  (`ID`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 AUTO_INCREMENT=73035281 ;

select Paragraph from WikiParagraphs where ID in (1,2,3,4)

select Paragraph from WikiParagraphs where id = 1
UNION
select Paragraph from WikiParagraphs where id = 4
UNION
select Paragraph from WikiParagraphs where id = 6

mysql> explain select Paragraph from WikiParagraphs where id = 3
    -> UNION
    -> select Paragraph from WikiParagraphs where id = 4
    -> UNION
    -> select Paragraph from WikiParagraphs where id = 6
    -> ;
+----+--------------+----------------+-------+---------------+---------+---------+-------+------+-------+
| id | select_type  | table          | type  | possible_keys | key     | key_len | ref   | rows | Extra |
+----+--------------+----------------+-------+---------------+---------+---------+-------+------+-------+
|  1 | PRIMARY      | WikiParagraphs | const | PRIMARY       | PRIMARY | 4       | const |    1 |       |
|  2 | UNION        | WikiParagraphs | const | PRIMARY       | PRIMARY | 4       | const |    1 |       |
|  3 | UNION        | WikiParagraphs | const | PRIMARY       | PRIMARY | 4       | const |    1 |       |
|NULL | UNION RESULT | <union1,2,3>   | ALL   | NULL          | NULL    | NULL    | NULL  | NULL |       |
+----+--------------+----------------+-------+---------------+---------+---------+-------+------+-------+
4 rows in set (0.00 sec)

show variables like 'innodb%';

+---------------------------------+-------------------------------+
| Variable_name                   | Value                         |
+---------------------------------+-------------------------------+
| have_innodb                     | YES                           |
| innodb_additional_mem_pool_size | 12582912                      |
| innodb_autoextend_increment     | 8                             |
| innodb_buffer_pool_awe_mem_mb   | 0                             |
| innodb_buffer_pool_size         | 134217728                     |
| innodb_data_file_path           | innodb/ibdata1:10M:autoextend |
| innodb_data_home_dir            |                               |
| innodb_fast_shutdown            | ON                            |
| innodb_file_io_threads          | 4                             |
| innodb_file_per_table           | OFF                           |
| innodb_flush_log_at_trx_commit  | 1                             |
| innodb_flush_method             |                               |
| innodb_force_recovery           | 0                             |
| innodb_lock_wait_timeout        | 30                            |
| innodb_locks_unsafe_for_binlog  | OFF                           |
| innodb_log_arch_dir             |                               |
| innodb_log_archive              | OFF                           |
| innodb_log_buffer_size          | 8388608                       |
| innodb_log_file_size            | 33554432                      |
| innodb_log_files_in_group       | 2                             |
| innodb_log_group_home_dir       | ./                            |
| innodb_max_dirty_pages_pct      | 90                            |
| innodb_max_purge_lag            | 0                             |
| innodb_mirrored_log_groups      | 1                             |
| innodb_open_files               | 300                           |
| innodb_table_locks              | ON                            |
| innodb_thread_concurrency       | 8                             |
+---------------------------------+-------------------------------+

ALTER TABLE yourTable ENGINE=MyISAM;

insert into WikiParagraphs2 select * from WikiParagraphs