call mtr.add_suppression("The table 't1' is full"); 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 full CHECK TABLE t1 EXTENDED; Table Op Msg_type Msg_text test.t1 check warning Datafile is almost full, 65448 of 65534 used test.t1 check status OK UPDATE t1 SET b=repeat('a', 800) where a=10; ERROR HY000: The table 't1' is full CHECK TABLE t1 EXTENDED; Table Op Msg_type Msg_text test.t1 check warning Datafile is almost full, 65448 of 65534 used test.t1 check status OK INSERT INTO t1 SET b=repeat('a',400); CHECK TABLE t1 EXTENDED; Table Op Msg_type Msg_text test.t1 check warning Datafile is almost full, 65448 of 65534 used test.t1 check status OK DELETE 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_text test.t1 check warning Datafile is almost full, 65448 of 65534 used test.t1 check status OK drop table t1; set global myisam_data_pointer_size=default;