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Bug #13817703 - auto_increment_offset != 1 + innodb_autoinc_lock_mode=1 => bulk inserts fail

Fix the calculation of the next autoinc value when offset > 1. Some of the
results have changed due to the changes in the allocation calculation. The
new calculation will result in slightly bigger gaps for bulk inserts.
  
rb://866 Approved by Jimmy Yang.
Backported from mysql-trunk (5.6)
This commit is contained in:
Sunny Bains
2012-03-29 18:02:08 +11:00
parent 7553f9eefd
commit d1809a5c85
3 changed files with 187 additions and 141 deletions

View File

@ -648,7 +648,7 @@ t2 CREATE TABLE `t2` (
`n` int(10) unsigned NOT NULL,
`o` enum('FALSE','TRUE') DEFAULT NULL,
PRIMARY KEY (`m`)
) ENGINE=InnoDB AUTO_INCREMENT=15 DEFAULT CHARSET=latin1
) ENGINE=InnoDB AUTO_INCREMENT=19 DEFAULT CHARSET=latin1
INSERT INTO t1 (b,c) SELECT n,o FROM t2 ;
SHOW CREATE TABLE t1;
Table Create Table
@ -657,7 +657,7 @@ t1 CREATE TABLE `t1` (
`b` int(10) unsigned NOT NULL,
`c` enum('FALSE','TRUE') DEFAULT NULL,
PRIMARY KEY (`a`)
) ENGINE=InnoDB AUTO_INCREMENT=13 DEFAULT CHARSET=latin1
) ENGINE=InnoDB AUTO_INCREMENT=16 DEFAULT CHARSET=latin1
INSERT INTO t1 (b,c) SELECT n,o FROM t2 ;
SELECT * FROM t1;
a b c
@ -671,16 +671,16 @@ a b c
8 4 FALSE
9 5 TRUE
10 5 FALSE
13 1 TRUE
14 1 FALSE
15 2 TRUE
16 2 FALSE
17 3 TRUE
18 3 FALSE
19 4 TRUE
20 4 FALSE
21 5 TRUE
22 5 FALSE
16 1 TRUE
17 1 FALSE
18 2 TRUE
19 2 FALSE
20 3 TRUE
21 3 FALSE
22 4 TRUE
23 4 FALSE
24 5 TRUE
25 5 FALSE
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
@ -688,7 +688,7 @@ t1 CREATE TABLE `t1` (
`b` int(10) unsigned NOT NULL,
`c` enum('FALSE','TRUE') DEFAULT NULL,
PRIMARY KEY (`a`)
) ENGINE=InnoDB AUTO_INCREMENT=23 DEFAULT CHARSET=latin1
) ENGINE=InnoDB AUTO_INCREMENT=31 DEFAULT CHARSET=latin1
INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false';
SELECT * FROM t1;
a b c
@ -702,21 +702,21 @@ a b c
8 4 FALSE
9 5 TRUE
10 5 FALSE
13 1 TRUE
14 1 FALSE
15 2 TRUE
16 2 FALSE
17 3 TRUE
18 3 FALSE
19 4 TRUE
20 4 FALSE
21 5 TRUE
22 5 FALSE
23 1 FALSE
24 2 FALSE
25 3 FALSE
26 4 FALSE
27 5 FALSE
16 1 TRUE
17 1 FALSE
18 2 TRUE
19 2 FALSE
20 3 TRUE
21 3 FALSE
22 4 TRUE
23 4 FALSE
24 5 TRUE
25 5 FALSE
31 1 FALSE
32 2 FALSE
33 3 FALSE
34 4 FALSE
35 5 FALSE
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
@ -724,7 +724,7 @@ t1 CREATE TABLE `t1` (
`b` int(10) unsigned NOT NULL,
`c` enum('FALSE','TRUE') DEFAULT NULL,
PRIMARY KEY (`a`)
) ENGINE=InnoDB AUTO_INCREMENT=30 DEFAULT CHARSET=latin1
) ENGINE=InnoDB AUTO_INCREMENT=38 DEFAULT CHARSET=latin1
INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false';
SELECT * FROM t1;
a b c
@ -738,26 +738,26 @@ a b c
8 4 FALSE
9 5 TRUE
10 5 FALSE
13 1 TRUE
14 1 FALSE
15 2 TRUE
16 2 FALSE
17 3 TRUE
18 3 FALSE
19 4 TRUE
20 4 FALSE
21 5 TRUE
22 5 FALSE
23 1 FALSE
24 2 FALSE
25 3 FALSE
26 4 FALSE
27 5 FALSE
30 1 FALSE
31 2 FALSE
32 3 FALSE
33 4 FALSE
34 5 FALSE
16 1 TRUE
17 1 FALSE
18 2 TRUE
19 2 FALSE
20 3 TRUE
21 3 FALSE
22 4 TRUE
23 4 FALSE
24 5 TRUE
25 5 FALSE
31 1 FALSE
32 2 FALSE
33 3 FALSE
34 4 FALSE
35 5 FALSE
38 1 FALSE
39 2 FALSE
40 3 FALSE
41 4 FALSE
42 5 FALSE
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
@ -765,7 +765,7 @@ t1 CREATE TABLE `t1` (
`b` int(10) unsigned NOT NULL,
`c` enum('FALSE','TRUE') DEFAULT NULL,
PRIMARY KEY (`a`)
) ENGINE=InnoDB AUTO_INCREMENT=37 DEFAULT CHARSET=latin1
) ENGINE=InnoDB AUTO_INCREMENT=45 DEFAULT CHARSET=latin1
INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false';
SHOW CREATE TABLE t1;
Table Create Table
@ -774,7 +774,7 @@ t1 CREATE TABLE `t1` (
`b` int(10) unsigned NOT NULL,
`c` enum('FALSE','TRUE') DEFAULT NULL,
PRIMARY KEY (`a`)
) ENGINE=InnoDB AUTO_INCREMENT=44 DEFAULT CHARSET=latin1
) ENGINE=InnoDB AUTO_INCREMENT=52 DEFAULT CHARSET=latin1
INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false';
SHOW CREATE TABLE t1;
Table Create Table
@ -783,7 +783,7 @@ t1 CREATE TABLE `t1` (
`b` int(10) unsigned NOT NULL,
`c` enum('FALSE','TRUE') DEFAULT NULL,
PRIMARY KEY (`a`)
) ENGINE=InnoDB AUTO_INCREMENT=51 DEFAULT CHARSET=latin1
) ENGINE=InnoDB AUTO_INCREMENT=59 DEFAULT CHARSET=latin1
INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false';
SELECT * FROM t1;
a b c
@ -797,41 +797,41 @@ a b c
8 4 FALSE
9 5 TRUE
10 5 FALSE
13 1 TRUE
14 1 FALSE
15 2 TRUE
16 2 FALSE
17 3 TRUE
18 3 FALSE
19 4 TRUE
20 4 FALSE
21 5 TRUE
22 5 FALSE
23 1 FALSE
24 2 FALSE
25 3 FALSE
26 4 FALSE
27 5 FALSE
30 1 FALSE
31 2 FALSE
32 3 FALSE
33 4 FALSE
34 5 FALSE
37 1 FALSE
38 2 FALSE
39 3 FALSE
40 4 FALSE
41 5 FALSE
44 1 FALSE
45 2 FALSE
46 3 FALSE
47 4 FALSE
48 5 FALSE
51 1 FALSE
52 2 FALSE
53 3 FALSE
54 4 FALSE
55 5 FALSE
16 1 TRUE
17 1 FALSE
18 2 TRUE
19 2 FALSE
20 3 TRUE
21 3 FALSE
22 4 TRUE
23 4 FALSE
24 5 TRUE
25 5 FALSE
31 1 FALSE
32 2 FALSE
33 3 FALSE
34 4 FALSE
35 5 FALSE
38 1 FALSE
39 2 FALSE
40 3 FALSE
41 4 FALSE
42 5 FALSE
45 1 FALSE
46 2 FALSE
47 3 FALSE
48 4 FALSE
49 5 FALSE
52 1 FALSE
53 2 FALSE
54 3 FALSE
55 4 FALSE
56 5 FALSE
59 1 FALSE
60 2 FALSE
61 3 FALSE
62 4 FALSE
63 5 FALSE
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
@ -839,7 +839,7 @@ t1 CREATE TABLE `t1` (
`b` int(10) unsigned NOT NULL,
`c` enum('FALSE','TRUE') DEFAULT NULL,
PRIMARY KEY (`a`)
) ENGINE=InnoDB AUTO_INCREMENT=58 DEFAULT CHARSET=latin1
) ENGINE=InnoDB AUTO_INCREMENT=66 DEFAULT CHARSET=latin1
DROP TABLE t1;
DROP TABLE t2;
DROP TABLE IF EXISTS t1;
@ -1251,3 +1251,21 @@ t1 CREATE TABLE `t1` (
PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=18446744073709551615 DEFAULT CHARSET=latin1
DROP TABLE t1;
SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=256;
SHOW VARIABLES LIKE "%auto_inc%";
Variable_name Value
auto_increment_increment 1
auto_increment_offset 256
CREATE TABLE t1 (c1 TINYINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1, NULL);
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` tinyint(4) NOT NULL AUTO_INCREMENT,
`c2` varchar(10) DEFAULT NULL,
PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=latin1
SELECT * FROM t1;
c1 c2
1 NULL
DROP TABLE t1;