drop table if exists t1;set global myisam_data_pointer_size=2;CREATE TABLE t1 (a int auto_increment primary key not null, b longtext) ENGINE=MyISAM;DELETE FROM t1 WHERE a=1 or a=5;INSERT INTO t1 SET b=repeat('a',600);ERROR HY000: The table 't1' is fullCHECK TABLE t1 EXTENDED;Table Op Msg_type Msg_texttest.t1 check warning Datafile is almost full, 65448 of 65534 usedtest.t1 check status OKUPDATE t1 SET b=repeat('a', 800) where a=10;ERROR HY000: The table 't1' is fullCHECK TABLE t1 EXTENDED;Table Op Msg_type Msg_texttest.t1 check warning Datafile is almost full, 65448 of 65534 usedtest.t1 check status OKINSERT INTO t1 SET b=repeat('a',400);CHECK TABLE t1 EXTENDED;Table Op Msg_type Msg_texttest.t1 check warning Datafile is almost full, 65448 of 65534 usedtest.t1 check status OKDELETE FROM t1 WHERE a=2 or a=6;UPDATE t1 SET b=repeat('a', 600) where a=11;CHECK TABLE t1 EXTENDED;Table Op Msg_type Msg_texttest.t1 check warning Datafile is almost full, 65448 of 65534 usedtest.t1 check status OKdrop table t1;set global myisam_data_pointer_size=default;