call mtr.add_suppression(" marked as crashed and should be repaired" );
create table t1 (a int auto_increment primary key, b text);
insert t1 (b) select repeat("A" , 100 );
insert t1 (b) select repeat("B" , 200 ) from t1;
insert t1 (b) select repeat("C" , 300 ) from t1;
delete from t1 where a < 3 ;
explain select a, left(b,10 ) from t1 order by a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using filesort
select left(b,10 ), a from t1 order by a;
left(b,10 ) a
CCCCCCCCCC 3
CCCCCCCCCC 4
set debug_sync='myisam_before_repair_by_sort wait_for go' ;
optimize table t1;
connect con1,localhost,root,,;
select a, left(b,10 ) from t1 order by a;
connect con2,localhost,root,,;
set debug_sync='now signal go' ;
connection default;
Table Op Msg_type Msg_text
test.t1 optimize status OK
connection con1;
a left(b,10 )
3 CCCCCCCCCC
4 CCCCCCCCCC
disconnect con1;
disconnect con2;
connection default;
drop table t1;
set debug_sync='reset' ;
# End of 5 .5 tests
CREATE TABLE t1 (i INT) ENGINE=MyISAM;
INSERT t1 VALUES (1 );
LOCK TABLE t1 WRITE;
OPTIMIZE TABLE t1;
Table Op Msg_type Msg_text
test.t1 optimize status OK
SELECT * FROM INFORMATION_SCHEMA.TABLES;
SELECT * FROM t1;
i
1
UNLOCK TABLES;
DROP TABLE t1;
# End of 10 .0 tests
#
# MDEV-8475 stale .TMM file causes Aria engine to stop serving the table
#
create table t1 (pk int primary key, i int) engine=MyISAM;
insert into t1 values (1 ,1 ),(2 ,2 );
connect con1,localhost,root,,;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`pk` int(11 ) NOT NULL,
`i` int(11 ) DEFAULT NULL,
PRIMARY KEY (`pk`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
OPTIMIZE TABLE t1;
Table Op Msg_type Msg_text
test.t1 optimize status OK
disconnect con1;
connect con1,localhost,root,,;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`pk` int(11 ) NOT NULL,
`i` int(11 ) DEFAULT NULL,
PRIMARY KEY (`pk`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
OPTIMIZE TABLE t1;
Table Op Msg_type Msg_text
test.t1 optimize status Table is already up to date
disconnect con1;
connect con1,localhost,root,,;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`pk` int(11 ) NOT NULL,
`i` int(11 ) DEFAULT NULL,
PRIMARY KEY (`pk`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
OPTIMIZE TABLE t1;
Table Op Msg_type Msg_text
test.t1 optimize status Table is already up to date
disconnect con1;
connection default;
DROP TABLE t1;
create table t1 (pk int primary key, i int) engine=aria;
insert into t1 values (1 ,1 ),(2 ,2 );
connect con1,localhost,root,,;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`pk` int(11 ) NOT NULL,
`i` int(11 ) DEFAULT NULL,
PRIMARY KEY (`pk`)
) ENGINE=Aria DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci PAGE_CHECKSUM=1
OPTIMIZE TABLE t1;
Table Op Msg_type Msg_text
test.t1 optimize status OK
disconnect con1;
connect con1,localhost,root,,;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`pk` int(11 ) NOT NULL,
`i` int(11 ) DEFAULT NULL,
PRIMARY KEY (`pk`)
) ENGINE=Aria DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci PAGE_CHECKSUM=1
OPTIMIZE TABLE t1;
Table Op Msg_type Msg_text
test.t1 optimize status Table is already up to date
disconnect con1;
connect con1,localhost,root,,;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`pk` int(11 ) NOT NULL,
`i` int(11 ) DEFAULT NULL,
PRIMARY KEY (`pk`)
) ENGINE=Aria DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci PAGE_CHECKSUM=1
OPTIMIZE TABLE t1;
Table Op Msg_type Msg_text
test.t1 optimize status Table is already up to date
disconnect con1;
connection default;
DROP TABLE t1;
Messung V0.5 in Prozent C=53 H=100 G=80
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-10-08)
¤
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