160 lines
4.6 KiB
Plaintext
160 lines
4.6 KiB
Plaintext
#
|
|
# Bug #16963396 INNODB: USE OF LARGE EXTERNALLY-STORED FIELDS MAKES
|
|
# CRASH RECOVERY LOSE DATA
|
|
#
|
|
#
|
|
# Uncompressed Table - Insert Operation - Crash Test
|
|
# Fresh insert with blobs
|
|
#
|
|
CREATE TABLE t1 (a BIGINT PRIMARY KEY, b LONGBLOB) ENGINE=InnoDB;
|
|
INSERT INTO t1 (a, b) VALUES (1, repeat('^', 40000));
|
|
INSERT INTO t1 (a, b) VALUES (2, '2');
|
|
INSERT INTO t1 (a, b) VALUES (3, '3');
|
|
INSERT INTO t1 (a, b) VALUES (4, '4');
|
|
INSERT INTO t1 (a, b) VALUES (5, '5');
|
|
begin;
|
|
INSERT INTO t1 (a, b) VALUES (6, REPEAT('a', 4*1024*1024));
|
|
# Kill and restart
|
|
SELECT a, right(b, 50) FROM t1;
|
|
a right(b, 50)
|
|
1 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
2 2
|
|
3 3
|
|
4 4
|
|
5 5
|
|
#
|
|
# Uncompressed Table - UPDATE Operation - Crash Test
|
|
# Update of non-blob column so that blob is needed.
|
|
#
|
|
begin;
|
|
UPDATE t1 set b = REPEAT('a', 4*1024*1024) where a = 5 ;
|
|
# Kill and restart
|
|
SELECT a, right(b, 50) FROM t1;
|
|
a right(b, 50)
|
|
1 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
2 2
|
|
3 3
|
|
4 4
|
|
5 5
|
|
#
|
|
# Uncompressed Table - UPDATE Operation - Crash Test
|
|
# Update of blob column to blob.
|
|
#
|
|
begin;
|
|
UPDATE t1 set b = REPEAT('$', 50000) where a = 1 ;
|
|
# Kill and restart
|
|
SELECT a, right(b, 50) FROM t1;
|
|
a right(b, 50)
|
|
1 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
2 2
|
|
3 3
|
|
4 4
|
|
5 5
|
|
DROP TABLE t1;
|
|
#
|
|
# Uncompressed Table - Rollback of UPDATE operation
|
|
# Update moves offpage data to inline data.
|
|
#
|
|
create table t2 (f1 bigint primary key, f2 longblob, f3 longblob,
|
|
index(f2(10), f3(10))) engine=innodb;
|
|
insert into t2 values (10, repeat('.', 40000), repeat('?', 40000));
|
|
start transaction;
|
|
update t2 set f2 = '=';
|
|
select f1, right(f2, 20), right(f3, 20) from t2;
|
|
f1 right(f2, 20) right(f3, 20)
|
|
10 = ????????????????????
|
|
update t2 set f3 = '&';
|
|
select f1, right(f2, 20), right(f3, 20) from t2;
|
|
f1 right(f2, 20) right(f3, 20)
|
|
10 = &
|
|
set session debug='d,ib_blob_update_rollback';
|
|
rollback;
|
|
ERROR HY000: Lost connection to MySQL server during query
|
|
select f1, right(f2, 20), right(f3, 20) from t2;
|
|
f1 right(f2, 20) right(f3, 20)
|
|
10 .................... ????????????????????
|
|
check table t2;
|
|
Table Op Msg_type Msg_text
|
|
test.t2 check status OK
|
|
#
|
|
# Uncompressed Table - Rollback of UPDATE operation
|
|
#
|
|
insert into t2 values (20, repeat('.', 40000), repeat('?', 40000));
|
|
select f1, right(f2, 20), right(f3, 20) from t2;
|
|
f1 right(f2, 20) right(f3, 20)
|
|
10 .................... ????????????????????
|
|
20 .................... ????????????????????
|
|
start transaction;
|
|
update t2 set f2 = repeat('$', 60000) where f1 = 20;
|
|
select f1, right(f2, 20), right(f3, 20) from t2;
|
|
f1 right(f2, 20) right(f3, 20)
|
|
10 .................... ????????????????????
|
|
20 $$$$$$$$$$$$$$$$$$$$ ????????????????????
|
|
SET GLOBAL innodb_log_checkpoint_now=ON;
|
|
# Kill the server
|
|
# Starting server with --innodb-force-recovery-crash=99
|
|
Pattern "innodb_force_recovery_crash=99" found
|
|
# restart
|
|
select f1, right(f2, 20), right(f3, 20) from t2;
|
|
f1 right(f2, 20) right(f3, 20)
|
|
10 .................... ????????????????????
|
|
20 .................... ????????????????????
|
|
check table t2;
|
|
Table Op Msg_type Msg_text
|
|
test.t2 check status OK
|
|
drop table t2;
|
|
#
|
|
# Compressed Table - Insert Operation - Crash Test
|
|
# fresh insert with BLOBs
|
|
#
|
|
set global innodb_compression_level = 0;
|
|
create table t3 (f1 bigint primary key, f2 longblob, f3 longblob,
|
|
index(f2(10), f3(10))) engine=innodb row_format=compressed;
|
|
# Kill and restart
|
|
select f1, length(f2), length(f3) from t3;
|
|
f1 length(f2) length(f3)
|
|
select f1, right(f2, 30), right(f3, 20) from t3;
|
|
f1 right(f2, 30) right(f3, 20)
|
|
check table t3;
|
|
Table Op Msg_type Msg_text
|
|
test.t3 check status OK
|
|
#
|
|
# Compressed Table - Update Operation - Crash Test
|
|
# update of a non-BLOB column so that BLOB is needed
|
|
#
|
|
set global innodb_compression_level = 0;
|
|
insert into t3 values (2, repeat('!', 30), repeat('+', 30));
|
|
begin;
|
|
UPDATE t3 set f2 = repeat('>', 40000) where f1 = 2;
|
|
# Kill and restart
|
|
select f1, length(f2), length(f3) from t3;
|
|
f1 length(f2) length(f3)
|
|
2 30 30
|
|
select f1, right(f2, 30), right(f3, 20) from t3;
|
|
f1 right(f2, 30) right(f3, 20)
|
|
2 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ++++++++++++++++++++
|
|
check table t3;
|
|
Table Op Msg_type Msg_text
|
|
test.t3 check status OK
|
|
#
|
|
# Compressed Table - Update Operation - Crash Test
|
|
# update blob to blob
|
|
#
|
|
set global innodb_compression_level = 0;
|
|
insert into t3 values (3, repeat('%', 40000), repeat('~', 40000));
|
|
begin;
|
|
UPDATE t3 set f2 = concat(f2, repeat(',', 10)) where f1 = 3;
|
|
# Kill and restart
|
|
select f1, length(f2), length(f3) from t3;
|
|
f1 length(f2) length(f3)
|
|
2 30 30
|
|
3 40000 40000
|
|
select f1, right(f2, 30), right(f3, 20) from t3;
|
|
f1 right(f2, 30) right(f3, 20)
|
|
2 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ++++++++++++++++++++
|
|
3 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%% ~~~~~~~~~~~~~~~~~~~~
|
|
check table t3;
|
|
Table Op Msg_type Msg_text
|
|
test.t3 check status OK
|
|
DROP TABLE t3;
|