Skip to content
Projects
Groups
Snippets
Help
Loading...
Help
Support
Keyboard shortcuts
?
Submit feedback
Contribute to GitLab
Sign in / Register
Toggle navigation
M
mariadb
Project overview
Project overview
Details
Activity
Releases
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Issues
0
Issues
0
List
Boards
Labels
Milestones
Merge Requests
0
Merge Requests
0
Analytics
Analytics
Repository
Value Stream
Wiki
Wiki
Snippets
Snippets
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Create a new issue
Commits
Issue Boards
Open sidebar
Kirill Smelkov
mariadb
Commits
0b2f4c56
Commit
0b2f4c56
authored
Mar 23, 2009
by
Matthias Leich
Browse files
Options
Browse Files
Download
Plain Diff
Merge 5.0 -> 5.1 of fix for the bugs 43015 and 43065
parents
596a9dbd
5eb0b481
Changes
6
Show whitespace changes
Inline
Side-by-side
Showing
6 changed files
with
399 additions
and
355 deletions
+399
-355
mysql-test/r/lock_multi.result
mysql-test/r/lock_multi.result
+0
-34
mysql-test/r/lock_multi_bug38499.result
mysql-test/r/lock_multi_bug38499.result
+19
-0
mysql-test/r/lock_multi_bug38691.result
mysql-test/r/lock_multi_bug38691.result
+17
-0
mysql-test/t/lock_multi.test
mysql-test/t/lock_multi.test
+1
-321
mysql-test/t/lock_multi_bug38499.test
mysql-test/t/lock_multi_bug38499.test
+221
-0
mysql-test/t/lock_multi_bug38691.test
mysql-test/t/lock_multi_bug38691.test
+141
-0
No files found.
mysql-test/r/lock_multi.result
View file @
0b2f4c56
...
...
@@ -96,40 +96,6 @@ alter table t1 auto_increment=0;
alter table t1 auto_increment=0;
unlock tables;
drop table t1;
CREATE TABLE t1 (
a int(11) unsigned default NULL,
b varchar(255) default NULL,
UNIQUE KEY a (a),
KEY b (b)
);
INSERT INTO t1 VALUES (1, 1), (2, 2), (3, 3);
CREATE TABLE t2 SELECT * FROM t1;
CREATE TABLE t3 SELECT * FROM t1;
# test altering of columns that multiupdate doesn't use
# normal mode
# PS mode
# test altering of columns that multiupdate uses
# normal mode
# PS mode
DROP TABLE t1, t2, t3;
CREATE TABLE t1( a INT, b INT );
INSERT INTO t1 VALUES (1, 1), (2, 2), (3, 3), (4, 4);
# 1. test regular tables
# 1.1. test altering of columns that multiupdate doesn't use
# 1.1.1. normal mode
# 1.1.2. PS mode
# 1.2. test altering of columns that multiupdate uses
# 1.2.1. normal mode
# 1.2.2. PS mode
ALTER TABLE t1 ADD COLUMN a INT;
# 2. test UNIONs
# 2.1. test altering of columns that multiupdate doesn't use
# 2.1.1. normal mode
# 2.1.2. PS mode
# 2.2. test altering of columns that multiupdate uses
# 2.2.1. normal mode
# 2.2.2. PS mode
DROP TABLE t1;
End of 5.0 tests
create table t1 (i int);
lock table t1 read;
...
...
mysql-test/r/lock_multi_bug38499.result
0 → 100644
View file @
0b2f4c56
DROP TABLE IF EXISTS t1;
CREATE TABLE t1( a INT, b INT );
INSERT INTO t1 VALUES (1, 1), (2, 2), (3, 3), (4, 4);
# 1. test regular tables
# 1.1. test altering of columns that multiupdate doesn't use
# 1.1.1. normal mode
# 1.1.2. PS mode
# 1.2. test altering of columns that multiupdate uses
# 1.2.1. normal mode
# 1.2.2. PS mode
ALTER TABLE t1 ADD COLUMN a INT;
# 2. test UNIONs
# 2.1. test altering of columns that multiupdate doesn't use
# 2.1.1. normal mode
# 2.1.2. PS mode
# 2.2. test altering of columns that multiupdate uses
# 2.2.1. normal mode
# 2.2.2. PS mode
DROP TABLE t1;
mysql-test/r/lock_multi_bug38691.result
0 → 100644
View file @
0b2f4c56
DROP TABLE IF EXISTS t1,t2,t3;
CREATE TABLE t1 (
a int(11) unsigned default NULL,
b varchar(255) default NULL,
UNIQUE KEY a (a),
KEY b (b)
);
INSERT INTO t1 VALUES (1, 1), (2, 2), (3, 3);
CREATE TABLE t2 SELECT * FROM t1;
CREATE TABLE t3 SELECT * FROM t1;
# test altering of columns that multiupdate doesn't use
# normal mode
# PS mode
# test altering of columns that multiupdate uses
# normal mode
# PS mode
DROP TABLE t1, t2, t3;
mysql-test/t/lock_multi.test
View file @
0b2f4c56
...
...
@@ -262,6 +262,7 @@ DROP DATABASE mysqltest_1;
# With bug in place: try to acquire LOCK_mysql_create_table...
# When fixed: Reject dropping db because of the read lock.
connection
con1
;
# Wait a bit so that the session con2 is in state "Waiting for release of readlock"
let
$wait_condition
=
select
count
(
*
)
=
1
from
information_schema
.
processlist
where
state
=
"Waiting for release of readlock"
...
...
@@ -316,327 +317,6 @@ reap;
connection
locker
;
drop
table
t1
;
#
# Bug#38691 segfault/abort in ``UPDATE ...JOIN'' while
# ``FLUSH TABLES WITH READ LOCK''
#
--
connection
default
CREATE
TABLE
t1
(
a
int
(
11
)
unsigned
default
NULL
,
b
varchar
(
255
)
default
NULL
,
UNIQUE
KEY
a
(
a
),
KEY
b
(
b
)
);
INSERT
INTO
t1
VALUES
(
1
,
1
),
(
2
,
2
),
(
3
,
3
);
CREATE
TABLE
t2
SELECT
*
FROM
t1
;
CREATE
TABLE
t3
SELECT
*
FROM
t1
;
--
echo
# test altering of columns that multiupdate doesn't use
--
echo
# normal mode
--
disable_query_log
let
$i
=
100
;
while
(
$i
)
{
--
dec
$i
--
connection
writer
send
UPDATE
t2
INNER
JOIN
(
t1
JOIN
t3
USING
(
a
))
USING
(
a
)
SET
a
=
NULL
WHERE
t1
.
b
<>
t2
.
b
;
--
connection
locker
ALTER
TABLE
t2
ADD
COLUMN
(
c
INT
);
ALTER
TABLE
t2
DROP
COLUMN
c
;
--
connection
writer
--
reap
}
--
echo
# PS mode
--
connection
writer
PREPARE
stmt
FROM
'UPDATE t2 INNER JOIN (t1 JOIN t3 USING(a)) USING(a)
SET a = NULL WHERE t1.b <> t2.b'
;
let
$i
=
100
;
while
(
$i
)
{
--
dec
$i
--
connection
writer
--
send
EXECUTE
stmt
--
connection
locker
ALTER
TABLE
t2
ADD
COLUMN
(
c
INT
);
ALTER
TABLE
t2
DROP
COLUMN
c
;
--
connection
writer
--
reap
}
--
enable_query_log
--
echo
# test altering of columns that multiupdate uses
--
echo
# normal mode
--
connection
default
--
disable_query_log
let
$i
=
100
;
while
(
$i
)
{
dec
$i
;
--
connection
locker
--
error
0
,
ER_DUP_FIELDNAME
ALTER
TABLE
t2
ADD
COLUMN
a
int
(
11
)
unsigned
default
NULL
;
UPDATE
t2
SET
a
=
b
;
--
connection
writer
--
send
UPDATE
t2
INNER
JOIN
(
t1
JOIN
t3
USING
(
a
))
USING
(
a
)
SET
a
=
NULL
WHERE
t1
.
b
<>
t2
.
b
--
connection
locker
--
error
0
,
ER_CANT_DROP_FIELD_OR_KEY
ALTER
TABLE
t2
DROP
COLUMN
a
;
--
connection
writer
--
error
0
,
ER_BAD_FIELD_ERROR
--
reap
}
--
enable_query_log
--
echo
# PS mode
--
disable_query_log
let
$i
=
100
;
while
(
$i
)
{
dec
$i
;
--
connection
locker
--
error
0
,
ER_DUP_FIELDNAME
ALTER
TABLE
t2
ADD
COLUMN
a
int
(
11
)
unsigned
default
NULL
;
UPDATE
t2
SET
a
=
b
;
--
connection
writer
PREPARE
stmt
FROM
'UPDATE t2 INNER JOIN (t1 JOIN t3 USING(a)) USING(a) SET a = NULL WHERE t1.b <> t2.b'
;
--
send
EXECUTE
stmt
--
connection
locker
--
error
0
,
ER_CANT_DROP_FIELD_OR_KEY
ALTER
TABLE
t2
DROP
COLUMN
a
;
--
connection
writer
--
error
0
,
ER_BAD_FIELD_ERROR
--
reap
}
--
enable_query_log
--
connection
default
DROP
TABLE
t1
,
t2
,
t3
;
#
# Bug#38499 flush tables and multitable table update with derived table cause
# crash
#
CREATE
TABLE
t1
(
a
INT
,
b
INT
);
INSERT
INTO
t1
VALUES
(
1
,
1
),
(
2
,
2
),
(
3
,
3
),
(
4
,
4
);
--
echo
# 1. test regular tables
--
echo
# 1.1. test altering of columns that multiupdate doesn't use
--
echo
# 1.1.1. normal mode
--
disable_query_log
let
$i
=
100
;
while
(
$i
)
{
--
dec
$i
--
connection
writer
send
UPDATE
t1
,
(
SELECT
1
FROM
t1
t1i
)
d
SET
a
=
0
WHERE
1
=
0
;
--
connection
locker
ALTER
TABLE
t1
ADD
COLUMN
(
c
INT
);
ALTER
TABLE
t1
DROP
COLUMN
c
;
--
connection
writer
--
reap
}
--
echo
# 1.1.2. PS mode
--
connection
writer
PREPARE
stmt
FROM
'UPDATE t1, (SELECT 1 FROM t1 t1i) d SET a = 0 WHERE 1=0'
;
let
$i
=
100
;
while
(
$i
)
{
--
dec
$i
--
connection
writer
--
send
EXECUTE
stmt
--
connection
locker
ALTER
TABLE
t1
ADD
COLUMN
(
c
INT
);
ALTER
TABLE
t1
DROP
COLUMN
c
;
--
connection
writer
--
reap
}
--
enable_query_log
--
echo
# 1.2. test altering of columns that multiupdate uses
--
echo
# 1.2.1. normal mode
--
connection
default
--
disable_query_log
let
$i
=
100
;
while
(
$i
)
{
dec
$i
;
--
connection
locker
--
error
0
,
ER_DUP_FIELDNAME
ALTER
TABLE
t1
ADD
COLUMN
a
int
(
11
)
unsigned
default
NULL
;
UPDATE
t1
SET
a
=
b
;
--
connection
writer
--
send
UPDATE
t1
,
(
SELECT
1
FROM
t1
t1i
)
d
SET
a
=
0
WHERE
1
=
0
;
--
connection
locker
--
error
0
,
ER_CANT_DROP_FIELD_OR_KEY
ALTER
TABLE
t1
DROP
COLUMN
a
;
--
connection
writer
--
error
0
,
ER_BAD_FIELD_ERROR
# unknown column error
--
reap
}
--
enable_query_log
--
echo
# 1.2.2. PS mode
--
disable_query_log
let
$i
=
100
;
while
(
$i
)
{
dec
$i
;
--
connection
locker
--
error
0
,
ER_DUP_FIELDNAME
ALTER
TABLE
t1
ADD
COLUMN
a
INT
;
UPDATE
t1
SET
a
=
b
;
--
connection
writer
PREPARE
stmt
FROM
'UPDATE t1, (SELECT 1 FROM t1 t1i) d SET a = 0 WHERE 1=0'
;
--
send
EXECUTE
stmt
--
connection
locker
--
error
0
,
ER_CANT_DROP_FIELD_OR_KEY
ALTER
TABLE
t1
DROP
COLUMN
a
;
--
connection
writer
--
error
0
,
ER_BAD_FIELD_ERROR
# Unknown column 'a' in 'field list'
--
reap
}
--
enable_query_log
--
connection
default
ALTER
TABLE
t1
ADD
COLUMN
a
INT
;
--
echo
# 2. test UNIONs
--
echo
# 2.1. test altering of columns that multiupdate doesn't use
--
echo
# 2.1.1. normal mode
--
disable_query_log
let
$i
=
100
;
while
(
$i
)
{
--
dec
$i
--
connection
writer
send
UPDATE
t1
,
((
SELECT
1
FROM
t1
t1i
)
UNION
(
SELECT
2
FROM
t1
t1ii
))
e
SET
a
=
0
WHERE
1
=
0
;
--
connection
locker
ALTER
TABLE
t1
ADD
COLUMN
(
c
INT
);
ALTER
TABLE
t1
DROP
COLUMN
c
;
--
connection
writer
--
reap
}
--
echo
# 2.1.2. PS mode
--
connection
writer
PREPARE
stmt
FROM
'UPDATE t1, ((SELECT 1 FROM t1 t1i) UNION (SELECT 2 FROM t1 t1ii)) e SET a = 0 WHERE 1=0'
;
let
$i
=
100
;
while
(
$i
)
{
--
dec
$i
--
connection
writer
--
send
EXECUTE
stmt
--
connection
locker
ALTER
TABLE
t1
ADD
COLUMN
(
c
INT
);
ALTER
TABLE
t1
DROP
COLUMN
c
;
--
connection
writer
--
reap
}
--
enable_query_log
--
echo
# 2.2. test altering of columns that multiupdate uses
--
echo
# 2.2.1. normal mode
--
connection
default
--
disable_query_log
let
$i
=
100
;
while
(
$i
)
{
dec
$i
;
--
connection
locker
--
error
0
,
ER_DUP_FIELDNAME
ALTER
TABLE
t1
ADD
COLUMN
a
int
(
11
)
unsigned
default
NULL
;
UPDATE
t1
SET
a
=
b
;
--
connection
writer
--
send
UPDATE
t1
,
((
SELECT
1
FROM
t1
t1i
)
UNION
(
SELECT
2
FROM
t1
t1ii
))
e
SET
a
=
0
WHERE
1
=
0
;
--
connection
locker
--
error
0
,
ER_CANT_DROP_FIELD_OR_KEY
ALTER
TABLE
t1
DROP
COLUMN
a
;
--
connection
writer
--
error
0
,
ER_BAD_FIELD_ERROR
# Unknown column 'a' in 'field list'
--
reap
}
--
enable_query_log
--
echo
# 2.2.2. PS mode
--
disable_query_log
let
$i
=
100
;
while
(
$i
)
{
dec
$i
;
--
connection
locker
--
error
0
,
ER_DUP_FIELDNAME
ALTER
TABLE
t1
ADD
COLUMN
a
INT
;
UPDATE
t1
SET
a
=
b
;
--
connection
writer
PREPARE
stmt
FROM
'UPDATE t1, ((SELECT 1 FROM t1 t1i) UNION (SELECT 2 FROM t1 t1ii)) e SET a = 0 WHERE 1=0'
;
--
send
EXECUTE
stmt
--
connection
locker
--
error
0
,
ER_CANT_DROP_FIELD_OR_KEY
ALTER
TABLE
t1
DROP
COLUMN
a
;
--
connection
writer
--
error
0
,
ER_BAD_FIELD_ERROR
# Unknown column 'a' in 'field list'
--
reap
}
--
enable_query_log
--
connection
default
DROP
TABLE
t1
;
--
echo
End
of
5.0
tests
...
...
mysql-test/t/lock_multi_bug38499.test
0 → 100644
View file @
0b2f4c56
# Bug38499 flush tables and multitable table update with derived table cause crash
# MySQL >= 5.0
#
# Save the initial number of concurrent sessions
--
source
include
/
count_sessions
.
inc
connect
(
locker
,
localhost
,
root
,,);
connect
(
writer
,
localhost
,
root
,,);
--
connection
default
--
disable_warnings
DROP
TABLE
IF
EXISTS
t1
;
--
enable_warnings
CREATE
TABLE
t1
(
a
INT
,
b
INT
);
INSERT
INTO
t1
VALUES
(
1
,
1
),
(
2
,
2
),
(
3
,
3
),
(
4
,
4
);
--
echo
# 1. test regular tables
--
echo
# 1.1. test altering of columns that multiupdate doesn't use
--
echo
# 1.1.1. normal mode
--
disable_query_log
let
$i
=
100
;
while
(
$i
)
{
--
dec
$i
--
connection
writer
send
UPDATE
t1
,
(
SELECT
1
FROM
t1
t1i
)
d
SET
a
=
0
WHERE
1
=
0
;
--
connection
locker
ALTER
TABLE
t1
ADD
COLUMN
(
c
INT
);
ALTER
TABLE
t1
DROP
COLUMN
c
;
--
connection
writer
--
reap
}
--
echo
# 1.1.2. PS mode
--
connection
writer
PREPARE
stmt
FROM
'UPDATE t1, (SELECT 1 FROM t1 t1i) d SET a = 0 WHERE 1=0'
;
let
$i
=
100
;
while
(
$i
)
{
--
dec
$i
--
connection
writer
--
send
EXECUTE
stmt
--
connection
locker
ALTER
TABLE
t1
ADD
COLUMN
(
c
INT
);
ALTER
TABLE
t1
DROP
COLUMN
c
;
--
connection
writer
--
reap
}
--
enable_query_log
--
echo
# 1.2. test altering of columns that multiupdate uses
--
echo
# 1.2.1. normal mode
--
connection
default
--
disable_query_log
let
$i
=
100
;
while
(
$i
)
{
dec
$i
;
--
connection
locker
--
error
0
,
ER_DUP_FIELDNAME
ALTER
TABLE
t1
ADD
COLUMN
a
int
(
11
)
unsigned
default
NULL
;
UPDATE
t1
SET
a
=
b
;
--
connection
writer
--
send
UPDATE
t1
,
(
SELECT
1
FROM
t1
t1i
)
d
SET
a
=
0
WHERE
1
=
0
;
--
connection
locker
--
error
0
,
ER_CANT_DROP_FIELD_OR_KEY
ALTER
TABLE
t1
DROP
COLUMN
a
;
--
connection
writer
--
error
0
,
ER_BAD_FIELD_ERROR
# unknown column error
--
reap
}
--
enable_query_log
--
echo
# 1.2.2. PS mode
--
disable_query_log
let
$i
=
100
;
while
(
$i
)
{
dec
$i
;
--
connection
locker
--
error
0
,
ER_DUP_FIELDNAME
ALTER
TABLE
t1
ADD
COLUMN
a
INT
;
UPDATE
t1
SET
a
=
b
;
--
connection
writer
PREPARE
stmt
FROM
'UPDATE t1, (SELECT 1 FROM t1 t1i) d SET a = 0 WHERE 1=0'
;
--
send
EXECUTE
stmt
--
connection
locker
--
error
0
,
ER_CANT_DROP_FIELD_OR_KEY
ALTER
TABLE
t1
DROP
COLUMN
a
;
--
connection
writer
--
error
0
,
ER_BAD_FIELD_ERROR
# Unknown column 'a' in 'field list'
--
reap
}
--
enable_query_log
--
connection
default
ALTER
TABLE
t1
ADD
COLUMN
a
INT
;
--
echo
# 2. test UNIONs
--
echo
# 2.1. test altering of columns that multiupdate doesn't use
--
echo
# 2.1.1. normal mode
--
disable_query_log
let
$i
=
100
;
while
(
$i
)
{
--
dec
$i
--
connection
writer
send
UPDATE
t1
,
((
SELECT
1
FROM
t1
t1i
)
UNION
(
SELECT
2
FROM
t1
t1ii
))
e
SET
a
=
0
WHERE
1
=
0
;
--
connection
locker
ALTER
TABLE
t1
ADD
COLUMN
(
c
INT
);
ALTER
TABLE
t1
DROP
COLUMN
c
;
--
connection
writer
--
reap
}
--
echo
# 2.1.2. PS mode
--
connection
writer
PREPARE
stmt
FROM
'UPDATE t1, ((SELECT 1 FROM t1 t1i) UNION (SELECT 2 FROM t1 t1ii)) e SET a = 0 WHERE 1=0'
;
let
$i
=
100
;
while
(
$i
)
{
--
dec
$i
--
connection
writer
--
send
EXECUTE
stmt
--
connection
locker
ALTER
TABLE
t1
ADD
COLUMN
(
c
INT
);
ALTER
TABLE
t1
DROP
COLUMN
c
;
--
connection
writer
--
reap
}
--
enable_query_log
--
echo
# 2.2. test altering of columns that multiupdate uses
--
echo
# 2.2.1. normal mode
--
connection
default
--
disable_query_log
let
$i
=
100
;
while
(
$i
)
{
dec
$i
;
--
connection
locker
--
error
0
,
ER_DUP_FIELDNAME
ALTER
TABLE
t1
ADD
COLUMN
a
int
(
11
)
unsigned
default
NULL
;
UPDATE
t1
SET
a
=
b
;
--
connection
writer
--
send
UPDATE
t1
,
((
SELECT
1
FROM
t1
t1i
)
UNION
(
SELECT
2
FROM
t1
t1ii
))
e
SET
a
=
0
WHERE
1
=
0
;
--
connection
locker
--
error
0
,
ER_CANT_DROP_FIELD_OR_KEY
ALTER
TABLE
t1
DROP
COLUMN
a
;
--
connection
writer
--
error
0
,
ER_BAD_FIELD_ERROR
# Unknown column 'a' in 'field list'
--
reap
}
--
enable_query_log
--
echo
# 2.2.2. PS mode
--
disable_query_log
let
$i
=
100
;
while
(
$i
)
{
dec
$i
;
--
connection
locker
--
error
0
,
ER_DUP_FIELDNAME
ALTER
TABLE
t1
ADD
COLUMN
a
INT
;
UPDATE
t1
SET
a
=
b
;
--
connection
writer
PREPARE
stmt
FROM
'UPDATE t1, ((SELECT 1 FROM t1 t1i) UNION (SELECT 2 FROM t1 t1ii)) e SET a = 0 WHERE 1=0'
;
--
send
EXECUTE
stmt
--
connection
locker
--
error
0
,
ER_CANT_DROP_FIELD_OR_KEY
ALTER
TABLE
t1
DROP
COLUMN
a
;
--
connection
writer
--
error
0
,
ER_BAD_FIELD_ERROR
# Unknown column 'a' in 'field list'
--
reap
}
--
enable_query_log
--
connection
default
DROP
TABLE
t1
;
# Close connections
--
disconnect
locker
--
disconnect
writer
# End of 5.0 tests
# Wait till all disconnects are completed
--
source
include
/
wait_until_count_sessions
.
inc
mysql-test/t/lock_multi_bug38691.test
0 → 100644
View file @
0b2f4c56
#
# Bug#38691 segfault/abort in ``UPDATE ...JOIN'' while
# ``FLUSH TABLES WITH READ LOCK''
# MySQL >= 5.0
#
# Save the initial number of concurrent sessions
--
source
include
/
count_sessions
.
inc
# Test to see if select will get the lock ahead of low priority update
connect
(
locker
,
localhost
,
root
,,);
connect
(
writer
,
localhost
,
root
,,);
--
connection
default
--
disable_warnings
DROP
TABLE
IF
EXISTS
t1
,
t2
,
t3
;
--
enable_warnings
CREATE
TABLE
t1
(
a
int
(
11
)
unsigned
default
NULL
,
b
varchar
(
255
)
default
NULL
,
UNIQUE
KEY
a
(
a
),
KEY
b
(
b
)
);
INSERT
INTO
t1
VALUES
(
1
,
1
),
(
2
,
2
),
(
3
,
3
);
CREATE
TABLE
t2
SELECT
*
FROM
t1
;
CREATE
TABLE
t3
SELECT
*
FROM
t1
;
--
echo
# test altering of columns that multiupdate doesn't use
--
echo
# normal mode
--
disable_query_log
let
$i
=
100
;
while
(
$i
)
{
--
dec
$i
--
connection
writer
send
UPDATE
t2
INNER
JOIN
(
t1
JOIN
t3
USING
(
a
))
USING
(
a
)
SET
a
=
NULL
WHERE
t1
.
b
<>
t2
.
b
;
--
connection
locker
ALTER
TABLE
t2
ADD
COLUMN
(
c
INT
);
ALTER
TABLE
t2
DROP
COLUMN
c
;
--
connection
writer
--
reap
}
--
echo
# PS mode
--
connection
writer
PREPARE
stmt
FROM
'UPDATE t2 INNER JOIN (t1 JOIN t3 USING(a)) USING(a)
SET a = NULL WHERE t1.b <> t2.b'
;
let
$i
=
100
;
while
(
$i
)
{
--
dec
$i
--
connection
writer
--
send
EXECUTE
stmt
--
connection
locker
ALTER
TABLE
t2
ADD
COLUMN
(
c
INT
);
ALTER
TABLE
t2
DROP
COLUMN
c
;
--
connection
writer
--
reap
}
--
enable_query_log
--
echo
# test altering of columns that multiupdate uses
--
echo
# normal mode
--
connection
default
--
disable_query_log
let
$i
=
100
;
while
(
$i
)
{
dec
$i
;
--
connection
locker
--
error
0
,
ER_DUP_FIELDNAME
ALTER
TABLE
t2
ADD
COLUMN
a
int
(
11
)
unsigned
default
NULL
;
UPDATE
t2
SET
a
=
b
;
--
connection
writer
--
send
UPDATE
t2
INNER
JOIN
(
t1
JOIN
t3
USING
(
a
))
USING
(
a
)
SET
a
=
NULL
WHERE
t1
.
b
<>
t2
.
b
--
connection
locker
--
error
0
,
ER_CANT_DROP_FIELD_OR_KEY
ALTER
TABLE
t2
DROP
COLUMN
a
;
--
connection
writer
--
error
0
,
ER_BAD_FIELD_ERROR
--
reap
}
--
enable_query_log
--
echo
# PS mode
--
disable_query_log
let
$i
=
100
;
while
(
$i
)
{
dec
$i
;
--
connection
locker
--
error
0
,
ER_DUP_FIELDNAME
ALTER
TABLE
t2
ADD
COLUMN
a
int
(
11
)
unsigned
default
NULL
;
UPDATE
t2
SET
a
=
b
;
--
connection
writer
PREPARE
stmt
FROM
'UPDATE t2 INNER JOIN (t1 JOIN t3 USING(a)) USING(a) SET a = NULL WHERE t1.b <> t2.b'
;
--
send
EXECUTE
stmt
--
connection
locker
--
error
0
,
ER_CANT_DROP_FIELD_OR_KEY
ALTER
TABLE
t2
DROP
COLUMN
a
;
--
connection
writer
--
error
0
,
ER_BAD_FIELD_ERROR
--
reap
}
--
enable_query_log
--
connection
default
DROP
TABLE
t1
,
t2
,
t3
;
# Close connections
--
disconnect
locker
--
disconnect
writer
# Wait till all disconnects are completed
--
source
include
/
wait_until_count_sessions
.
inc
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment