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set global maria_log_file_size=4294967295;
drop database if exists mysqltest;
create database mysqltest;
use mysqltest;
* shut down mysqld, removed logs, restarted it
use mysqltest;
create table t1 (a varchar(1000)) engine=maria;
* TEST of REDO: see if recovery can reconstruct if we give it an old table
* copied t1 for feeding_recovery
insert into t1 values ("00000000");
flush table t1;
* copied t1 for comparison
SET SESSION debug="+d,maria_flush_whole_log,maria_crash";
* crashing mysqld intentionally
set global maria_checkpoint_interval=1;
ERROR HY000: Lost connection to MySQL server during query
* copied t1 back for feeding_recovery
* recovery happens
check table t1 extended;
Table Op Msg_type Msg_text
mysqltest.t1 check status OK
* testing that checksum after recovery is as expected
Checksum-check
ok
* compared t1 to old version
use mysqltest;
select * from t1;
a
00000000
* TEST of REDO+UNDO: normal recovery test (no moving tables under its feet)
insert into t1 values ("00000000");
flush table t1;
* copied t1 for comparison
lock tables t1 write;
insert into t1 values ("aaaaaaaaa");
SET SESSION debug="+d,maria_crash";
* crashing mysqld intentionally
set global maria_checkpoint_interval=1;
ERROR HY000: Lost connection to MySQL server during query
* recovery happens
check table t1 extended;
Table Op Msg_type Msg_text
mysqltest.t1 check status OK
* testing that checksum after recovery is as expected
Checksum-check
ok
use mysqltest;
select * from t1;
a
00000000
00000000
insert into t1 values ("00000000");
flush table t1;
* copied t1 for comparison
lock tables t1 write;
insert into t1 values ("aaaaaaaaa");
SET SESSION debug="+d,maria_flush_whole_page_cache,maria_crash";
* crashing mysqld intentionally
set global maria_checkpoint_interval=1;
ERROR HY000: Lost connection to MySQL server during query
* recovery happens
check table t1 extended;
Table Op Msg_type Msg_text
mysqltest.t1 check status OK
* testing that checksum after recovery is as expected
Checksum-check
ok
use mysqltest;
select * from t1;
a
00000000
00000000
00000000
insert into t1 values ("00000000");
flush table t1;
* copied t1 for comparison
lock tables t1 write;
insert into t1 values ("aaaaaaaaa");
SET SESSION debug="+d,maria_flush_states,maria_flush_whole_log,maria_crash";
* crashing mysqld intentionally
set global maria_checkpoint_interval=1;
ERROR HY000: Lost connection to MySQL server during query
* recovery happens
check table t1 extended;
Table Op Msg_type Msg_text
mysqltest.t1 check status OK
* testing that checksum after recovery is as expected
Checksum-check
ok
use mysqltest;
select * from t1;
a
00000000
00000000
00000000
00000000
insert into t1 values ("00000000");
flush table t1;
* copied t1 for comparison
lock tables t1 write;
insert into t1 values ("aaaaaaaaa");
SET SESSION debug="+d,maria_flush_whole_log,maria_crash";
* crashing mysqld intentionally
set global maria_checkpoint_interval=1;
ERROR HY000: Lost connection to MySQL server during query
* recovery happens
check table t1 extended;
Table Op Msg_type Msg_text
mysqltest.t1 check status OK
* testing that checksum after recovery is as expected
Checksum-check
ok
use mysqltest;
select * from t1;
a
00000000
00000000
00000000
00000000
00000000
drop table t1;
* TEST of two REDOs for same page in one REDO group
* shut down mysqld, removed logs, restarted it
use mysqltest;
CREATE TABLE t1 (
i int,
b blob default NULL,
c varchar(6000) default NULL
) ENGINE=MARIA CHECKSUM=1;
* copied t1 for feeding_recovery
INSERT INTO t1 VALUES (1, REPEAT('a', 5000), REPEAT('b', 5000));
UPDATE t1 SET i=3, b=CONCAT(b,'c') WHERE i=1;
SELECT LENGTH(b) FROM t1 WHERE i=3;
LENGTH(b)
5001
flush table t1;
* copied t1 for comparison
SET SESSION debug="+d,maria_flush_whole_log,maria_crash";
* crashing mysqld intentionally
set global maria_checkpoint_interval=1;
ERROR HY000: Lost connection to MySQL server during query
* copied t1 back for feeding_recovery
* recovery happens
check table t1 extended;
Table Op Msg_type Msg_text
mysqltest.t1 check status OK
* testing that checksum after recovery is as expected
Checksum-check
ok
use mysqltest;
SELECT LENGTH(b) FROM t1 WHERE i=3;
LENGTH(b)
5001
drop table t1;
* TEST of INSERT vs state.auto_increment
* shut down mysqld, removed logs, restarted it
use mysqltest;
CREATE TABLE t1 (
i int auto_increment primary key,
c varchar(6),
key(c)
) ENGINE=MARIA;
insert into t1 values(null,"b");
* copied t1 for feeding_recovery
insert into t1 values(null,"a"), (null,"c"), (null,"d");
delete from t1 where c="d";
flush table t1;
* copied t1 for comparison
SET SESSION debug="+d,maria_flush_whole_log,maria_crash";
* crashing mysqld intentionally
set global maria_checkpoint_interval=1;
ERROR HY000: Lost connection to MySQL server during query
* copied t1 back for feeding_recovery
* recovery happens
check table t1 extended;
Table Op Msg_type Msg_text
mysqltest.t1 check status OK
* testing that checksum after recovery is as expected
Checksum-check
ok
use mysqltest;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`i` int(11) NOT NULL AUTO_INCREMENT,
`c` varchar(6) DEFAULT NULL,
PRIMARY KEY (`i`),
KEY `c` (`c`)
) ENGINE=MARIA AUTO_INCREMENT=5 DEFAULT CHARSET=latin1 PAGE_CHECKSUM=1
* TEST of UPDATE vs state.auto_increment
* copied t1 for feeding_recovery
update t1 set i=15 where c="a";
flush table t1;
* copied t1 for comparison
SET SESSION debug="+d,maria_flush_whole_log,maria_crash";
* crashing mysqld intentionally
set global maria_checkpoint_interval=1;
ERROR HY000: Lost connection to MySQL server during query
* copied t1 back for feeding_recovery
* recovery happens
check table t1 extended;
Table Op Msg_type Msg_text
mysqltest.t1 check status OK
* testing that checksum after recovery is as expected
Checksum-check
ok
use mysqltest;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`i` int(11) NOT NULL AUTO_INCREMENT,
`c` varchar(6) DEFAULT NULL,
PRIMARY KEY (`i`),
KEY `c` (`c`)
) ENGINE=MARIA AUTO_INCREMENT=16 DEFAULT CHARSET=latin1 PAGE_CHECKSUM=1
* TEST of INSERT's rollback vs state.auto_increment
flush table t1;
* copied t1 for comparison
lock tables t1 write;
insert into t1 values(null, "e");
SET SESSION debug="+d,maria_flush_whole_log,maria_crash";
* crashing mysqld intentionally
set global maria_checkpoint_interval=1;
ERROR HY000: Lost connection to MySQL server during query
* recovery happens
check table t1 extended;
Table Op Msg_type Msg_text
mysqltest.t1 check status OK
* testing that checksum after recovery is as expected
Checksum-check
ok
use mysqltest;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`i` int(11) NOT NULL AUTO_INCREMENT,
`c` varchar(6) DEFAULT NULL,
PRIMARY KEY (`i`),
KEY `c` (`c`)
) ENGINE=MARIA AUTO_INCREMENT=17 DEFAULT CHARSET=latin1 PAGE_CHECKSUM=1
insert into t1 values(null, "f");
drop table t1;
* TEST of removing logs manually
* shut down mysqld, removed logs, restarted it
use mysqltest;
* TEST of UNDO_ROW_DELETE preserving rowid
create table t1(a int) engine=maria;
insert into t1 values(1),(2);
flush table t1;
* copied t1 for comparison
lock tables t1 write;
insert into t1 values(3);
delete from t1 where a in (1,2,3);
SET SESSION debug="+d,maria_flush_whole_log,maria_crash";
* crashing mysqld intentionally
set global maria_checkpoint_interval=1;
ERROR HY000: Lost connection to MySQL server during query
* recovery happens
check table t1 extended;
Table Op Msg_type Msg_text
mysqltest.t1 check status OK
* testing that checksum after recovery is as expected
Checksum-check
ok
use mysqltest;
drop table t1;
* TEST of checkpoint
set global debug="+d,info,query,enter,exit,loop,maria_checkpoint_indirect";
set global maria_checkpoint_interval=10000;
create table t1(a int, b varchar(10), index(a,b)) engine=maria;
insert into t1 values(1,"a"),(2,"b"),(3,"c");
delete from t1 where b="b";
update t1 set b="d" where a=1;
flush table t1;
* copied t1 for comparison
lock tables t1 write;
insert into t1 values(4,"e"),(5,"f"),(6,"g");
update t1 set b="h" where a=5;
delete from t1 where b="g";
show status like "Maria_pagecache_blocks_not_flushed";
Variable_name Value
Maria_pagecache_blocks_not_flushed 3
set global maria_checkpoint_interval=10000;
update t1 set b="i" where a=5;
SET SESSION debug="+d,maria_crash";
* crashing mysqld intentionally
set global maria_checkpoint_interval=1;
ERROR HY000: Lost connection to MySQL server during query
* recovery happens
check table t1 extended;
Table Op Msg_type Msg_text
mysqltest.t1 check status OK
* testing that checksum after recovery is as expected
Checksum-check
ok
use mysqltest;
drop table t1;
Test of REPAIR's implicit commit
create table t1 (a varchar(100), key(a)) engine=maria;
insert into t1 values(3);
flush table t1;
* copied t1 for comparison
lock tables t1 write;
insert into t1 values (1);
repair table t1;
Table Op Msg_type Msg_text
mysqltest.t1 repair status OK
insert into t1 values(2);
select * from t1;
a
1
2
3
SET SESSION debug="+d,maria_flush_whole_log,maria_flush_whole_page_cache,maria_crash";
* crashing mysqld intentionally
set global maria_checkpoint_interval=1;
ERROR HY000: Lost connection to MySQL server during query
* recovery happens
check table t1 extended;
Table Op Msg_type Msg_text
mysqltest.t1 check status OK
* testing that checksum after recovery is as expected
Checksum-check
failure
use mysqltest;
select * from t1;
a
1
3
drop table t1;
* TEST of recovery when crash before bulk-insert-with-repair is committed
create table t1 (a varchar(100), key(a)) engine=maria;
create table t2 (a varchar(100)) engine=myisam;
set rand_seed1=12, rand_seed2=254;
insert into t2 values (rand());
insert into t2 select (rand()) from t2;
insert into t2 select (rand()) from t2;
insert into t2 select (rand()) from t2;
insert into t2 select (rand()) from t2;
insert into t2 select (rand()) from t2;
insert into t2 select (rand()) from t2;
insert into t1 values(30);
flush table t1;
* copied t1 for comparison
lock tables t1 write, t2 read;
delete from t1 limit 1;
insert into t1 select * from t2;
SET SESSION debug="+d,maria_flush_whole_log,maria_flush_whole_page_cache,maria_crash";
* crashing mysqld intentionally
set global maria_checkpoint_interval=1;
ERROR HY000: Lost connection to MySQL server during query
* recovery happens
check table t1 extended;
Table Op Msg_type Msg_text
mysqltest.t1 check status OK
* testing that checksum after recovery is as expected
Checksum-check
ok
use mysqltest;
show keys from t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment
t1 1 a 1 a A 1 NULL NULL YES BTREE
drop table t1;
* TEST of recovery when OPTIMIZE has replaced the index file and crash
create table t1 (a varchar(100), key(a)) engine=maria;
insert into t1 select (rand()) from t2;
flush table t1;
* copied t1 for comparison
SET SESSION debug="+d,maria_flush_whole_log,maria_flush_whole_page_cache,maria_crash_sort_index";
* crashing mysqld intentionally
optimize table t1;
ERROR HY000: Lost connection to MySQL server during query
* recovery happens
check table t1 extended;
Table Op Msg_type Msg_text
mysqltest.t1 check warning Table is marked as crashed and last repair failed
mysqltest.t1 check status OK
* testing that checksum after recovery is as expected
Checksum-check
ok
use mysqltest;
drop table t1, t2;
drop database mysqltest_for_feeding_recovery;
drop database mysqltest_for_comparison;
drop database mysqltest;
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