CREATE TABLE t1 (c1 BIGINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10 )) ENGINE=InnoDB;
INSERT INTO t1 VALUES (9223372036854775807 , null);
INSERT INTO t1 (c2) VALUES ('innodb' );
ERROR 22003 : Out of range value for column 'c1' at row 1
SELECT * FROM t1;
c1 c2
9223372036854775807 NULL
DROP TABLE t1;
CREATE TABLE t1 (c1 TINYINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10 )) ENGINE=InnoDB;
INSERT INTO t1 VALUES (127 , null);
INSERT INTO t1 (c2) VALUES ('innodb' );
ERROR 22003 : Out of range value for column 'c1' at row 1
SELECT * FROM t1;
c1 c2
127 NULL
DROP TABLE t1;
CREATE TABLE t1 (c1 TINYINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10 )) ENGINE=InnoDB;
INSERT INTO t1 VALUES (255 , null);
INSERT INTO t1 (c2) VALUES ('innodb' );
ERROR 22003 : Out of range value for column 'c1' at row 1
SELECT * FROM t1;
c1 c2
255 NULL
DROP TABLE t1;
CREATE TABLE t1 (c1 SMALLINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10 )) ENGINE=InnoDB;
INSERT INTO t1 VALUES (32767 , null);
INSERT INTO t1 (c2) VALUES ('innodb' );
ERROR 22003 : Out of range value for column 'c1' at row 1
SELECT * FROM t1;
c1 c2
32767 NULL
DROP TABLE t1;
CREATE TABLE t1 (c1 SMALLINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10 )) ENGINE=InnoDB;
INSERT INTO t1 VALUES (65535 , null);
INSERT INTO t1 (c2) VALUES ('innodb' );
ERROR 22003 : Out of range value for column 'c1' at row 1
SELECT * FROM t1;
c1 c2
65535 NULL
DROP TABLE t1;
CREATE TABLE t1 (c1 MEDIUMINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10 )) ENGINE=InnoDB;
INSERT INTO t1 VALUES (8388607 , null);
INSERT INTO t1 (c2) VALUES ('innodb' );
ERROR 22003 : Out of range value for column 'c1' at row 1
SELECT * FROM t1;
c1 c2
8388607 NULL
DROP TABLE t1;
CREATE TABLE t1 (c1 MEDIUMINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10 )) ENGINE=InnoDB;
INSERT INTO t1 VALUES (16777215 , null);
INSERT INTO t1 (c2) VALUES ('innodb' );
ERROR 22003 : Out of range value for column 'c1' at row 1
SELECT * FROM t1;
c1 c2
16777215 NULL
DROP TABLE t1;
CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10 )) ENGINE=InnoDB;
INSERT INTO t1 VALUES (2147483647 , null);
INSERT INTO t1 (c2) VALUES ('innodb' );
ERROR 22003 : Out of range value for column 'c1' at row 1
SELECT * FROM t1;
c1 c2
2147483647 NULL
DROP TABLE t1;
CREATE TABLE t1 (c1 INT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10 )) ENGINE=InnoDB;
INSERT INTO t1 VALUES (4294967295 , null);
INSERT INTO t1 (c2) VALUES ('innodb' );
ERROR 22003 : Out of range value for column 'c1' at row 1
SELECT * FROM t1;
c1 c2
4294967295 NULL
DROP TABLE t1;
CREATE TABLE t1 (c1 BIGINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10 )) ENGINE=InnoDB;
INSERT INTO t1 VALUES (9223372036854775807 , null);
INSERT INTO t1 (c2) VALUES ('innodb' );
ERROR 22003 : Out of range value for column 'c1' at row 1
SELECT * FROM t1;
c1 c2
9223372036854775807 NULL
DROP TABLE t1;
CREATE TABLE t1 (c1 BIGINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10 )) ENGINE=InnoDB;
INSERT INTO t1 VALUES (18446744073709551615 , null);
INSERT INTO t1 (c2) VALUES ('innodb' );
Got one of the listed errors
SELECT * FROM t1;
c1 c2
18446744073709551615 NULL
DROP TABLE t1;
CREATE TABLE t1(c1 INT PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1 ), (2 ), (3 );
INSERT INTO t1 VALUES (NULL), (NULL), (NULL);
SELECT c1 FROM t1;
c1
1
2
3
4
5
6
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` int(11 ) NOT NULL AUTO_INCREMENT,
PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
TRUNCATE TABLE t1;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` int(11 ) NOT NULL AUTO_INCREMENT,
PRIMARY KEY (`c1`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
INSERT INTO t1 VALUES (1 ), (2 ), (3 );
INSERT INTO t1 VALUES (NULL), (NULL), (NULL);
SELECT c1 FROM t1;
c1
1
2
3
4
5
6
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` int(11 ) NOT NULL AUTO_INCREMENT,
PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t1;
CREATE TABLE t1(c1 INT PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1 ), (2 ), (3 );
INSERT INTO t1 VALUES (NULL), (NULL), (NULL);
SELECT c1 FROM t1;
c1
1
2
3
4
5
6
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` int(11 ) NOT NULL AUTO_INCREMENT,
PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DELETE FROM t1;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` int(11 ) NOT NULL AUTO_INCREMENT,
PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
INSERT INTO t1 VALUES (1 ), (2 ), (3 );
INSERT INTO t1 VALUES (NULL), (NULL), (NULL);
SELECT c1 FROM t1;
c1
1
2
3
7
8
9
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` int(11 ) NOT NULL AUTO_INCREMENT,
PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=10 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t1;
DROP TABLE IF EXISTS t1;
Warnings:
Note 1051 Unknown table 'test.t1'
CREATE TABLE t1 (c1 INT AUTO_INCREMENT, c2 INT, PRIMARY KEY(c1)) ENGINE=InnoDB;
INSERT INTO t1 VALUES (NULL, 1 );
DELETE FROM t1 WHERE c1 = 1 ;
INSERT INTO t1 VALUES (2 ,1 );
INSERT INTO t1 VALUES (NULL,8 );
SELECT * FROM t1;
c1 c2
2 1
3 8
DROP TABLE t1;
DROP TABLE IF EXISTS t1;
Warnings:
Note 1051 Unknown table 'test.t1'
CREATE TABLE t1 (c1 INT AUTO_INCREMENT, c2 INT, PRIMARY KEY(c1)) ENGINE=InnoDB;
INSERT INTO t1 VALUES (NULL, 1 );
DELETE FROM t1 WHERE c1 = 1 ;
INSERT INTO t1 VALUES (2 ,1 ), (NULL, 8 );
INSERT INTO t1 VALUES (NULL,9 );
SELECT * FROM t1;
c1 c2
2 1
3 8
5 9
DROP TABLE t1;
SET @@SESSION.AUTO_INCREMENT_INCREMENT=100 , @@SESSION.AUTO_INCREMENT_OFFSET=10 ;
SHOW VARIABLES LIKE "auto_inc%" ;
Variable_name Value
auto_increment_increment 100
auto_increment_offset 10
DROP TABLE IF EXISTS t1;
Warnings:
Note 1051 Unknown table 'test.t1'
CREATE TABLE t1 (c1 INT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB;
INSERT INTO t1 VALUES (NULL),(5 ),(NULL);
INSERT INTO t1 VALUES (250 ),(NULL);
SELECT * FROM t1;
c1
5
10
110
250
310
INSERT INTO t1 VALUES (1000 );
SET @@INSERT_ID=400 ;
INSERT INTO t1 VALUES(NULL),(NULL);
SELECT * FROM t1;
c1
5
10
110
250
310
400
410
1000
DROP TABLE t1;
SET @@SESSION.AUTO_INCREMENT_INCREMENT=1 , @@SESSION.AUTO_INCREMENT_OFFSET=1 ;
SET @@INSERT_ID=1 ;
SHOW VARIABLES LIKE "auto_inc%" ;
Variable_name Value
auto_increment_increment 1
auto_increment_offset 1
DROP TABLE IF EXISTS t1;
Warnings:
Note 1051 Unknown table 'test.t1'
CREATE TABLE t1 (c1 INT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB;
INSERT INTO t1 VALUES(0 );
SELECT * FROM t1;
c1
1
SET @@SESSION.AUTO_INCREMENT_INCREMENT=100 , @@SESSION.AUTO_INCREMENT_OFFSET=10 ;
INSERT INTO t1 VALUES (-1 ), (NULL),(2 ),(NULL);
INSERT INTO t1 VALUES (250 ),(NULL);
SELECT * FROM t1;
c1
-1
1
2
10
110
250
410
SET @@INSERT_ID=400 ;
INSERT INTO t1 VALUES(NULL),(NULL);
Got one of the listed errors
SELECT * FROM t1;
c1
-1
1
2
10
110
250
410
DROP TABLE t1;
SET @@SESSION.AUTO_INCREMENT_INCREMENT=1 , @@SESSION.AUTO_INCREMENT_OFFSET=1 ;
SET @@INSERT_ID=1 ;
SHOW VARIABLES LIKE "auto_inc%" ;
Variable_name Value
auto_increment_increment 1
auto_increment_offset 1
DROP TABLE IF EXISTS t1;
Warnings:
Note 1051 Unknown table 'test.t1'
CREATE TABLE t1 (c1 INT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB;
INSERT INTO t1 VALUES(-1 );
SELECT * FROM t1;
c1
-1
SET @@SESSION.AUTO_INCREMENT_INCREMENT=100 , @@SESSION.AUTO_INCREMENT_OFFSET=10 ;
SHOW VARIABLES LIKE "auto_inc%" ;
Variable_name Value
auto_increment_increment 100
auto_increment_offset 10
INSERT INTO t1 VALUES (-2 ), (NULL),(2 ),(NULL);
INSERT INTO t1 VALUES (250 ),(NULL);
SELECT * FROM t1;
c1
-2
-1
1
2
10
250
310
INSERT INTO t1 VALUES (1000 );
SET @@INSERT_ID=400 ;
INSERT INTO t1 VALUES(NULL),(NULL);
SELECT * FROM t1;
c1
-2
-1
1
2
10
250
310
400
410
1000
DROP TABLE t1;
SET @@SESSION.AUTO_INCREMENT_INCREMENT=1 , @@SESSION.AUTO_INCREMENT_OFFSET=1 ;
SET @@INSERT_ID=1 ;
SHOW VARIABLES LIKE "auto_inc%" ;
Variable_name Value
auto_increment_increment 1
auto_increment_offset 1
DROP TABLE IF EXISTS t1;
Warnings:
Note 1051 Unknown table 'test.t1'
CREATE TABLE t1 (c1 INT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB;
INSERT IGNORE INTO t1 VALUES(-1 );
Warnings:
Warning 1264 Out of range value for column 'c1' at row 1
SELECT * FROM t1;
c1
1
SET @@SESSION.AUTO_INCREMENT_INCREMENT=100 , @@SESSION.AUTO_INCREMENT_OFFSET=10 ;
SHOW VARIABLES LIKE "auto_inc%" ;
Variable_name Value
auto_increment_increment 100
auto_increment_offset 10
INSERT IGNORE INTO t1 VALUES (-2 );
Warnings:
Warning 1264 Out of range value for column 'c1' at row 1
INSERT INTO t1 VALUES (NULL);
INSERT INTO t1 VALUES (2 );
INSERT INTO t1 VALUES (NULL);
INSERT INTO t1 VALUES (250 );
INSERT INTO t1 VALUES (NULL);
SELECT * FROM t1;
c1
1
2
10
110
210
250
310
INSERT INTO t1 VALUES (1000 );
SET @@INSERT_ID=400 ;
INSERT INTO t1 VALUES(NULL);
INSERT INTO t1 VALUES(NULL);
SELECT * FROM t1;
c1
1
2
10
110
210
250
310
400
1000
1010
DROP TABLE t1;
SET @@SESSION.AUTO_INCREMENT_INCREMENT=1 , @@SESSION.AUTO_INCREMENT_OFFSET=1 ;
SET @@INSERT_ID=1 ;
SHOW VARIABLES LIKE "auto_inc%" ;
Variable_name Value
auto_increment_increment 1
auto_increment_offset 1
DROP TABLE IF EXISTS t1;
Warnings:
Note 1051 Unknown table 'test.t1'
CREATE TABLE t1 (c1 INT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB;
INSERT IGNORE INTO t1 VALUES(-1 );
Warnings:
Warning 1264 Out of range value for column 'c1' at row 1
SELECT * FROM t1;
c1
1
SET @@SESSION.AUTO_INCREMENT_INCREMENT=100 , @@SESSION.AUTO_INCREMENT_OFFSET=10 ;
SHOW VARIABLES LIKE "auto_inc%" ;
Variable_name Value
auto_increment_increment 100
auto_increment_offset 10
INSERT IGNORE INTO t1 VALUES (-2 ),(NULL),(2 ),(NULL);
Warnings:
Warning 1264 Out of range value for column 'c1' at row 1
INSERT INTO t1 VALUES (250 ),(NULL);
SELECT * FROM t1;
c1
1
2
10
110
210
250
410
INSERT INTO t1 VALUES (1000 );
SET @@INSERT_ID=400 ;
INSERT INTO t1 VALUES(NULL),(NULL);
Got one of the listed errors
SELECT * FROM t1;
c1
1
2
10
110
210
250
410
1000
DROP TABLE t1;
SET @@SESSION.AUTO_INCREMENT_INCREMENT=1 , @@SESSION.AUTO_INCREMENT_OFFSET=1 ;
SET @@INSERT_ID=1 ;
SHOW VARIABLES LIKE "auto_inc%" ;
Variable_name Value
auto_increment_increment 1
auto_increment_offset 1
DROP TABLE IF EXISTS t1;
Warnings:
Note 1051 Unknown table 'test.t1'
CREATE TABLE t1 (c1 BIGINT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB;
INSERT INTO t1 VALUES(NULL);
INSERT INTO t1 VALUES (9223372036854775794 );
SELECT * FROM t1;
c1
1
9223372036854775794
SET @@SESSION.AUTO_INCREMENT_INCREMENT=2 , @@SESSION.AUTO_INCREMENT_OFFSET=10 ;
SHOW VARIABLES LIKE "auto_inc%" ;
Variable_name Value
auto_increment_increment 2
auto_increment_offset 10
INSERT INTO t1 VALUES (NULL),(NULL),(NULL),(NULL),(NULL),(NULL);
SELECT * FROM t1;
c1
1
9223372036854775794
9223372036854775796
9223372036854775798
9223372036854775800
9223372036854775802
9223372036854775804
9223372036854775806
DROP TABLE t1;
SET @@SESSION.AUTO_INCREMENT_INCREMENT=1 , @@SESSION.AUTO_INCREMENT_OFFSET=1 ;
SET @@INSERT_ID=1 ;
SHOW VARIABLES LIKE "auto_inc%" ;
Variable_name Value
auto_increment_increment 1
auto_increment_offset 1
DROP TABLE IF EXISTS t1;
Warnings:
Note 1051 Unknown table 'test.t1'
CREATE TABLE t1 (c1 BIGINT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB;
INSERT INTO t1 VALUES(NULL);
INSERT INTO t1 VALUES (18446744073709551603 );
SELECT * FROM t1;
c1
1
18446744073709551603
SET @@SESSION.AUTO_INCREMENT_INCREMENT=2 , @@SESSION.AUTO_INCREMENT_OFFSET=10 ;
SHOW VARIABLES LIKE "auto_inc%" ;
Variable_name Value
auto_increment_increment 2
auto_increment_offset 10
INSERT INTO t1 VALUES (NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL);
ERROR HY000: Failed to read auto-increment value from storage engine
SELECT * FROM t1;
c1
1
18446744073709551603
DROP TABLE t1;
SET @@SESSION.AUTO_INCREMENT_INCREMENT=1 , @@SESSION.AUTO_INCREMENT_OFFSET=1 ;
SET @@INSERT_ID=1 ;
SHOW VARIABLES LIKE "auto_inc%" ;
Variable_name Value
auto_increment_increment 1
auto_increment_offset 1
DROP TABLE IF EXISTS t1;
Warnings:
Note 1051 Unknown table 'test.t1'
CREATE TABLE t1 (c1 BIGINT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB;
INSERT INTO t1 VALUES(NULL);
INSERT INTO t1 VALUES (18446744073709551603 );
SELECT * FROM t1;
c1
1
18446744073709551603
SET @@SESSION.AUTO_INCREMENT_INCREMENT=5 , @@SESSION.AUTO_INCREMENT_OFFSET=7 ;
SHOW VARIABLES LIKE "auto_inc%" ;
Variable_name Value
auto_increment_increment 5
auto_increment_offset 7
INSERT INTO t1 VALUES (NULL),(NULL), (NULL);
ERROR HY000: Failed to read auto-increment value from storage engine
SELECT * FROM t1;
c1
1
18446744073709551603
DROP TABLE t1;
SET @@SESSION.AUTO_INCREMENT_INCREMENT=1 , @@SESSION.AUTO_INCREMENT_OFFSET=1 ;
SET @@INSERT_ID=1 ;
SHOW VARIABLES LIKE "auto_inc%" ;
Variable_name Value
auto_increment_increment 1
auto_increment_offset 1
DROP TABLE IF EXISTS t1;
Warnings:
Note 1051 Unknown table 'test.t1'
CREATE TABLE t1 (c1 BIGINT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB;
INSERT INTO t1 VALUES(NULL);
INSERT INTO t1 VALUES(-9223372036854775806 );
INSERT INTO t1 VALUES(-9223372036854775807 );
INSERT INTO t1 VALUES(-9223372036854775808 );
SELECT * FROM t1;
c1
-9223372036854775808
-9223372036854775807
-9223372036854775806
1
SET @@SESSION.AUTO_INCREMENT_INCREMENT=3 , @@SESSION.AUTO_INCREMENT_OFFSET=3 ;
SHOW VARIABLES LIKE "auto_inc%" ;
Variable_name Value
auto_increment_increment 3
auto_increment_offset 3
INSERT INTO t1 VALUES (NULL),(NULL), (NULL);
SELECT * FROM t1;
c1
-9223372036854775808
-9223372036854775807
-9223372036854775806
1
3
6
9
DROP TABLE t1;
SET @@SESSION.AUTO_INCREMENT_INCREMENT=1 , @@SESSION.AUTO_INCREMENT_OFFSET=1 ;
SET @@INSERT_ID=1 ;
SHOW VARIABLES LIKE "auto_inc%" ;
Variable_name Value
auto_increment_increment 1
auto_increment_offset 1
DROP TABLE IF EXISTS t1;
Warnings:
Note 1051 Unknown table 'test.t1'
CREATE TABLE t1 (c1 BIGINT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB;
INSERT INTO t1 VALUES(NULL);
INSERT INTO t1 VALUES (18446744073709551610 );
SELECT * FROM t1;
c1
1
18446744073709551610
SET @@SESSION.AUTO_INCREMENT_INCREMENT=1152921504606846976 , @@SESSION.AUTO_INCREMENT_OFFSET=1152921504606846976 ;
Warnings:
Warning 1292 Truncated incorrect auto_increment_increment value: '1152921504606846976'
Warning 1292 Truncated incorrect auto_increment_offset value: '1152921504606846976'
SHOW VARIABLES LIKE "auto_inc%" ;
Variable_name Value
auto_increment_increment 65535
auto_increment_offset 65535
INSERT INTO t1 VALUES (NULL),(NULL);
ERROR 22003 : Out of range value for column 'c1' at row 1
SELECT * FROM t1;
c1
1
18446744073709551610
DROP TABLE t1;
SET @@SESSION.AUTO_INCREMENT_INCREMENT=1 , @@SESSION.AUTO_INCREMENT_OFFSET=1 ;
SET @@INSERT_ID=1 ;
SHOW VARIABLES LIKE "auto_inc%" ;
Variable_name Value
auto_increment_increment 1
auto_increment_offset 1
CREATE TABLE t1 (c1 DOUBLE NOT NULL AUTO_INCREMENT, c2 INT, PRIMARY KEY (c1)) ENGINE=InnoDB;
INSERT INTO t1 VALUES(NULL, 1 );
INSERT INTO t1 VALUES(NULL, 2 );
SELECT * FROM t1;
c1 c2
1 1
2 2
ALTER TABLE t1 CHANGE c1 c1 SERIAL;
SELECT * FROM t1;
c1 c2
1 1
2 2
INSERT INTO t1 VALUES(NULL, 3 );
INSERT INTO t1 VALUES(NULL, 4 );
SELECT * FROM t1;
c1 c2
1 1
2 2
3 3
4 4
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (c1 FLOAT NOT NULL AUTO_INCREMENT, c2 INT, PRIMARY KEY (c1)) ENGINE=InnoDB;
INSERT INTO t1 VALUES(NULL, 1 );
INSERT INTO t1 VALUES(NULL, 2 );
SELECT * FROM t1;
c1 c2
1 1
2 2
ALTER TABLE t1 CHANGE c1 c1 SERIAL;
SELECT * FROM t1;
c1 c2
1 1
2 2
INSERT INTO t1 VALUES(NULL, 3 );
INSERT INTO t1 VALUES(NULL, 4 );
SELECT * FROM t1;
c1 c2
1 1
2 2
3 3
4 4
DROP TABLE t1;
#
# Bug#15851528 DUPLICATE KEY ERROR ON AUTO-INC PK WITH MIXED AUTO_INCREMENT_INCREMENT CLIENTS
#
# This test shows that the next record to be inserted is not affected
# by a change in auto_increment_increment.
# In addition, current value of auto_increment_increment by the client
# that uses the existing autoinc value with be used to set next autoinc
# value, which will be used by next client regardless of its own session
# setting for auto_increment_increment.
#
connection default;
# Client 1 : Insert a record with auto_increment_increment=2
CREATE TABLE t(
a SERIAL PRIMARY KEY,
b VARCHAR(200 )) ENGINE=InnoDB;
SET SESSION auto_increment_increment=2 ;
SHOW CREATE TABLE t;
Table Create Table
t CREATE TABLE `t` (
`a` bigint(20 ) unsigned NOT NULL AUTO_INCREMENT,
`b` varchar(200 ) DEFAULT NULL,
PRIMARY KEY (`a`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
INSERT INTO t(b) VALUES('S1' );
SELECT a,b FROM t;
a b
1 S1
connect con1,localhost,root,,;
connection con1;
# Client 2 : Insert records with auto_increment_increment 2 ,1
SET SESSION auto_increment_increment=2 ;
SHOW CREATE TABLE t;
Table Create Table
t CREATE TABLE `t` (
`a` bigint(20 ) unsigned NOT NULL AUTO_INCREMENT,
`b` varchar(200 ) DEFAULT NULL,
PRIMARY KEY (`a`)
) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
INSERT INTO t(b) VALUES('S2' );
SELECT a,b FROM t;
a b
1 S1
3 S2
SET SESSION auto_increment_increment=1 ;
SHOW CREATE TABLE t;
Table Create Table
t CREATE TABLE `t` (
`a` bigint(20 ) unsigned NOT NULL AUTO_INCREMENT,
`b` varchar(200 ) DEFAULT NULL,
PRIMARY KEY (`a`)
) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
INSERT INTO t(b) VALUES('S2' );
SELECT a,b FROM t;
a b
1 S1
3 S2
5 S2
disconnect con1;
connection default;
# Client 1 : Insert a record with auto_increment_increment=1
SET SESSION auto_increment_increment=1 ;
SHOW CREATE TABLE t;
Table Create Table
t CREATE TABLE `t` (
`a` bigint(20 ) unsigned NOT NULL AUTO_INCREMENT,
`b` varchar(200 ) DEFAULT NULL,
PRIMARY KEY (`a`)
) ENGINE=InnoDB AUTO_INCREMENT=6 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
INSERT INTO t(b) VALUES('S1' );
SELECT a,b FROM t;
a b
1 S1
3 S2
5 S2
6 S1
DROP TABLE t;
# Autoincrement behaviour with mixed insert.
CREATE TABLE t(
a TINYINT AUTO_INCREMENT PRIMARY KEY,
b VARCHAR(200 )) ENGINE=InnoDB;
SET SESSION auto_increment_increment=10 ;
SHOW CREATE TABLE t;
Table Create Table
t CREATE TABLE `t` (
`a` tinyint(4 ) NOT NULL AUTO_INCREMENT,
`b` varchar(200 ) DEFAULT NULL,
PRIMARY KEY (`a`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
INSERT INTO t(b) VALUES('S0' ),('S1' );
SHOW CREATE TABLE t;
Table Create Table
t CREATE TABLE `t` (
`a` tinyint(4 ) NOT NULL AUTO_INCREMENT,
`b` varchar(200 ) DEFAULT NULL,
PRIMARY KEY (`a`)
) ENGINE=InnoDB AUTO_INCREMENT=21 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
INSERT INTO t(a,b) VALUES(28 ,'S2' );
SET SESSION auto_increment_increment=1 ;
SHOW CREATE TABLE t;
Table Create Table
t CREATE TABLE `t` (
`a` tinyint(4 ) NOT NULL AUTO_INCREMENT,
`b` varchar(200 ) DEFAULT NULL,
PRIMARY KEY (`a`)
) ENGINE=InnoDB AUTO_INCREMENT=31 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
INSERT INTO t(b) VALUES('S3' );
SHOW CREATE TABLE t;
Table Create Table
t CREATE TABLE `t` (
`a` tinyint(4 ) NOT NULL AUTO_INCREMENT,
`b` varchar(200 ) DEFAULT NULL,
PRIMARY KEY (`a`)
) ENGINE=InnoDB AUTO_INCREMENT=32 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
INSERT INTO t(b) VALUES('S4' );
SELECT * FROM t;
a b
1 S0
11 S1
28 S2
31 S3
32 S4
SHOW CREATE TABLE t;
Table Create Table
t CREATE TABLE `t` (
`a` tinyint(4 ) NOT NULL AUTO_INCREMENT,
`b` varchar(200 ) DEFAULT NULL,
PRIMARY KEY (`a`)
) ENGINE=InnoDB AUTO_INCREMENT=33 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t;
SET @@SESSION.AUTO_INCREMENT_INCREMENT=1 , @@SESSION.AUTO_INCREMENT_OFFSET=5 ;
DROP TABLE IF EXISTS t1;
Warnings:
Note 1051 Unknown table 'test.t1'
DROP TABLE IF EXISTS t2;
Warnings:
Note 1051 Unknown table 'test.t2'
CREATE TABLE t1 (
a INT(11 ) UNSIGNED NOT NULL AUTO_INCREMENT,
b INT(10 ) UNSIGNED NOT NULL,
c ENUM('FALSE' ,'TRUE' ) DEFAULT NULL,
PRIMARY KEY (a)) ENGINE = InnoDB;
CREATE TABLE t2 (
m INT(11 ) UNSIGNED NOT NULL AUTO_INCREMENT,
n INT(10 ) UNSIGNED NOT NULL,
o enum('FALSE' ,'TRUE' ) DEFAULT NULL,
PRIMARY KEY (m)) ENGINE = InnoDB;
INSERT INTO t2 (n,o) VALUES
(1 , 'true' ), (1 , 'false' ), (2 , 'true' ), (2 , 'false' ), (3 , 'true' ),
(3 , 'false' ), (4 , 'true' ), (4 , 'false' ), (5 , 'true' ), (5 , 'false' );
SELECT * FROM t2;
m n o
1 1 TRUE
2 1 FALSE
3 2 TRUE
4 2 FALSE
5 3 TRUE
6 3 FALSE
7 4 TRUE
8 4 FALSE
9 5 TRUE
10 5 FALSE
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`m` int(11 ) unsigned NOT NULL AUTO_INCREMENT,
`n` int(10 ) unsigned NOT NULL,
`o` enum('FALSE' ,'TRUE' ) DEFAULT NULL,
PRIMARY KEY (`m`)
) ENGINE=InnoDB AUTO_INCREMENT=11 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
INSERT INTO t1 (b,c) SELECT n,o FROM t2 ;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11 ) unsigned NOT NULL AUTO_INCREMENT,
`b` int(10 ) unsigned NOT NULL,
`c` enum('FALSE' ,'TRUE' ) DEFAULT NULL,
PRIMARY KEY (`a`)
) ENGINE=InnoDB AUTO_INCREMENT=16 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
INSERT INTO t1 (b,c) SELECT n,o FROM t2 ;
SELECT * FROM t1;
a b c
1 1 TRUE
2 1 FALSE
3 2 TRUE
4 2 FALSE
5 3 TRUE
6 3 FALSE
7 4 TRUE
8 4 FALSE
9 5 TRUE
10 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` (
`a` int(11 ) unsigned NOT NULL AUTO_INCREMENT,
`b` int(10 ) unsigned NOT NULL,
`c` enum('FALSE' ,'TRUE' ) DEFAULT NULL,
PRIMARY KEY (`a`)
) ENGINE=InnoDB AUTO_INCREMENT=31 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false' ;
SELECT * FROM t1;
a b c
1 1 TRUE
2 1 FALSE
3 2 TRUE
4 2 FALSE
5 3 TRUE
6 3 FALSE
7 4 TRUE
8 4 FALSE
9 5 TRUE
10 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` (
`a` int(11 ) unsigned NOT NULL AUTO_INCREMENT,
`b` int(10 ) unsigned NOT NULL,
`c` enum('FALSE' ,'TRUE' ) DEFAULT NULL,
PRIMARY KEY (`a`)
) ENGINE=InnoDB AUTO_INCREMENT=38 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false' ;
SELECT * FROM t1;
a b c
1 1 TRUE
2 1 FALSE
3 2 TRUE
4 2 FALSE
5 3 TRUE
6 3 FALSE
7 4 TRUE
8 4 FALSE
9 5 TRUE
10 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` (
`a` int(11 ) unsigned NOT NULL AUTO_INCREMENT,
`b` int(10 ) unsigned NOT NULL,
`c` enum('FALSE' ,'TRUE' ) DEFAULT NULL,
PRIMARY KEY (`a`)
) ENGINE=InnoDB AUTO_INCREMENT=45 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false' ;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11 ) unsigned NOT NULL AUTO_INCREMENT,
`b` int(10 ) unsigned NOT NULL,
`c` enum('FALSE' ,'TRUE' ) DEFAULT NULL,
PRIMARY KEY (`a`)
) ENGINE=InnoDB AUTO_INCREMENT=52 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false' ;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11 ) unsigned NOT NULL AUTO_INCREMENT,
`b` int(10 ) unsigned NOT NULL,
`c` enum('FALSE' ,'TRUE' ) DEFAULT NULL,
PRIMARY KEY (`a`)
) ENGINE=InnoDB AUTO_INCREMENT=59 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false' ;
SELECT * FROM t1;
a b c
1 1 TRUE
2 1 FALSE
3 2 TRUE
4 2 FALSE
5 3 TRUE
6 3 FALSE
7 4 TRUE
8 4 FALSE
9 5 TRUE
10 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` (
`a` int(11 ) unsigned NOT NULL AUTO_INCREMENT,
`b` int(10 ) unsigned NOT NULL,
`c` enum('FALSE' ,'TRUE' ) DEFAULT NULL,
PRIMARY KEY (`a`)
) ENGINE=InnoDB AUTO_INCREMENT=66 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t1;
DROP TABLE t2;
DROP TABLE IF EXISTS t1;
Warnings:
Note 1051 Unknown table 'test.t1'
DROP TABLE IF EXISTS t2;
Warnings:
Note 1051 Unknown table 'test.t2'
SET sql_mode = 'NO_ENGINE_SUBSTITUTION' ;
CREATE TABLE t1(
c1 INT(10 ) UNSIGNED NOT NULL AUTO_INCREMENT
PRIMARY KEY) ENGINE=InnoDB;
INSERT INTO t1 VALUES (NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL);
CREATE TABLE t2(
c1 TINYINT(3 ) UNSIGNED NOT NULL AUTO_INCREMENT
PRIMARY KEY) ENGINE=InnoDB;
INSERT INTO t2 SELECT c1 FROM t1;
Got one of the listed errors
INSERT INTO t2 SELECT NULL FROM t1;
ERROR 22003 : Out of range value for column 'c1' at row 1
DROP TABLE t1;
DROP TABLE t2;
SET sql_mode = DEFAULT;
SET @@SESSION.AUTO_INCREMENT_INCREMENT=1 , @@SESSION.AUTO_INCREMENT_OFFSET=1 ;
SHOW VARIABLES LIKE "auto_inc%" ;
Variable_name Value
auto_increment_increment 1
auto_increment_offset 1
CREATE TABLE t1 (c1 TINYINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10 )) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1 , NULL);
INSERT INTO t1 VALUES (-1 , 'innodb' );
INSERT INTO t1 VALUES (-127 , 'innodb' );
INSERT INTO t1 VALUES (NULL, 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=3 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
SELECT * FROM t1;
c1 c2
-127 innodb
-1 innodb
1 NULL
2 NULL
DROP TABLE t1;
CREATE TABLE t1 (c1 TINYINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10 )) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1 , NULL);
INSERT IGNORE INTO t1 VALUES (-1 , 'innodb' );
Warnings:
Warning 1264 Out of range value for column 'c1' at row 1
INSERT IGNORE INTO t1 VALUES (-127 , 'innodb' );
Warnings:
Warning 1264 Out of range value for column 'c1' at row 1
INSERT INTO t1 VALUES (NULL, NULL);
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` tinyint(3 ) unsigned NOT NULL AUTO_INCREMENT,
`c2` varchar(10 ) DEFAULT NULL,
PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
SELECT * FROM t1;
c1 c2
1 NULL
2 innodb
3 innodb
4 NULL
DROP TABLE t1;
CREATE TABLE t1 (c1 SMALLINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10 )) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1 , NULL);
INSERT INTO t1 VALUES (-1 , 'innodb' );
INSERT INTO t1 VALUES (-32767 , 'innodb' );
INSERT INTO t1 VALUES (NULL, NULL);
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` smallint(6 ) NOT NULL AUTO_INCREMENT,
`c2` varchar(10 ) DEFAULT NULL,
PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
SELECT * FROM t1;
c1 c2
-32767 innodb
-1 innodb
1 NULL
2 NULL
DROP TABLE t1;
CREATE TABLE t1 (c1 SMALLINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10 )) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1 , NULL);
INSERT IGNORE INTO t1 VALUES (-1 , 'innodb' );
Warnings:
Warning 1264 Out of range value for column 'c1' at row 1
INSERT IGNORE INTO t1 VALUES (-32757 , 'innodb' );
Warnings:
Warning 1264 Out of range value for column 'c1' at row 1
INSERT INTO t1 VALUES (NULL, NULL);
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` smallint(5 ) unsigned NOT NULL AUTO_INCREMENT,
`c2` varchar(10 ) DEFAULT NULL,
PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
SELECT * FROM t1;
c1 c2
1 NULL
2 innodb
3 innodb
4 NULL
DROP TABLE t1;
CREATE TABLE t1 (c1 MEDIUMINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10 )) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1 , NULL);
INSERT INTO t1 VALUES (-1 , 'innodb' );
INSERT INTO t1 VALUES (-8388607 , 'innodb' );
INSERT INTO t1 VALUES (NULL, NULL);
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` mediumint(9 ) NOT NULL AUTO_INCREMENT,
`c2` varchar(10 ) DEFAULT NULL,
PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
SELECT * FROM t1;
c1 c2
-8388607 innodb
-1 innodb
1 NULL
2 NULL
DROP TABLE t1;
CREATE TABLE t1 (c1 MEDIUMINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10 )) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1 , NULL);
INSERT IGNORE INTO t1 VALUES (-1 , 'innodb' );
Warnings:
Warning 1264 Out of range value for column 'c1' at row 1
INSERT IGNORE INTO t1 VALUES (-8388607 , 'innodb' );
Warnings:
Warning 1264 Out of range value for column 'c1' at row 1
INSERT INTO t1 VALUES (NULL, NULL);
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` mediumint(8 ) unsigned NOT NULL AUTO_INCREMENT,
`c2` varchar(10 ) DEFAULT NULL,
PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
SELECT * FROM t1;
c1 c2
1 NULL
2 innodb
3 innodb
4 NULL
DROP TABLE t1;
CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10 )) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1 , NULL);
INSERT INTO t1 VALUES (-1 , 'innodb' );
INSERT INTO t1 VALUES (-2147483647 , 'innodb' );
INSERT INTO t1 VALUES (NULL, NULL);
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` int(11 ) NOT NULL AUTO_INCREMENT,
`c2` varchar(10 ) DEFAULT NULL,
PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
SELECT * FROM t1;
c1 c2
-2147483647 innodb
-1 innodb
1 NULL
2 NULL
DROP TABLE t1;
CREATE TABLE t1 (c1 INT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10 )) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1 , NULL);
INSERT IGNORE INTO t1 VALUES (-1 , 'innodb' );
Warnings:
Warning 1264 Out of range value for column 'c1' at row 1
INSERT IGNORE INTO t1 VALUES (-2147483647 , 'innodb' );
Warnings:
Warning 1264 Out of range value for column 'c1' at row 1
INSERT INTO t1 VALUES (NULL, NULL);
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` int(10 ) unsigned NOT NULL AUTO_INCREMENT,
`c2` varchar(10 ) DEFAULT NULL,
PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
SELECT * FROM t1;
c1 c2
1 NULL
2 innodb
3 innodb
4 NULL
DROP TABLE t1;
CREATE TABLE t1 (c1 BIGINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10 )) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1 , NULL);
INSERT INTO t1 VALUES (-1 , 'innodb' );
INSERT INTO t1 VALUES (-9223372036854775807 , 'innodb' );
INSERT INTO t1 VALUES (NULL, NULL);
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` bigint(20 ) NOT NULL AUTO_INCREMENT,
`c2` varchar(10 ) DEFAULT NULL,
PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
SELECT * FROM t1;
c1 c2
-9223372036854775807 innodb
-1 innodb
1 NULL
2 NULL
DROP TABLE t1;
CREATE TABLE t1 (c1 BIGINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10 )) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1 , NULL);
INSERT IGNORE INTO t1 VALUES (-1 , 'innodb' );
Warnings:
Warning 1264 Out of range value for column 'c1' at row 1
INSERT IGNORE INTO t1 VALUES (-9223372036854775807 , 'innodb' );
Warnings:
Warning 1264 Out of range value for column 'c1' at row 1
INSERT INTO t1 VALUES (NULL, NULL);
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` bigint(20 ) unsigned NOT NULL AUTO_INCREMENT,
`c2` varchar(10 ) DEFAULT NULL,
PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
SELECT * FROM t1;
c1 c2
1 NULL
2 innodb
3 innodb
4 NULL
DROP TABLE t1;
CREATE TABLE t1 (c1 INT AUTO_INCREMENT, c2 INT, PRIMARY KEY(c1)) AUTO_INCREMENT=10 ENGINE=InnoDB;
CREATE INDEX i1 on t1(c2);
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` int(11 ) NOT NULL AUTO_INCREMENT,
`c2` int(11 ) DEFAULT NULL,
PRIMARY KEY (`c1`),
KEY `i1` (`c2`)
) ENGINE=InnoDB AUTO_INCREMENT=10 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
INSERT INTO t1 (c2) values (0 );
SELECT * FROM t1;
c1 c2
10 0
DROP TABLE t1;
DROP TABLE IF EXISTS t1;
Warnings:
Note 1051 Unknown table 'test.t1'
CREATE TABLE t1(C1 DOUBLE AUTO_INCREMENT KEY, C2 CHAR(10 )) ENGINE=InnoDB;
INSERT INTO t1(C1, C2) VALUES (1 , 'innodb' ), (3 , 'innodb' );
# restart
INSERT INTO t1(C2) VALUES ('innodb' );
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`C1` double NOT NULL AUTO_INCREMENT,
`C2` char(10 ) DEFAULT NULL,
PRIMARY KEY (`C1`)
) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t1;
CREATE TABLE t1(C1 FLOAT AUTO_INCREMENT KEY, C2 CHAR(10 )) ENGINE=InnoDB;
INSERT INTO t1(C1, C2) VALUES (1 , 'innodb' ), (3 , 'innodb' );
# restart
INSERT INTO t1(C2) VALUES ('innodb' );
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`C1` float NOT NULL AUTO_INCREMENT,
`C2` char(10 ) DEFAULT NULL,
PRIMARY KEY (`C1`)
) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t1;
DROP TABLE IF EXISTS t1;
Warnings:
Note 1051 Unknown table 'test.t1'
CREATE TABLE t1 (c1 INT AUTO_INCREMENT PRIMARY KEY) ENGINE=InnoDB;
INSERT INTO t1 SET c1 = 1 ;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` int(11 ) NOT NULL AUTO_INCREMENT,
PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
INSERT INTO t1 SET c1 = 2 ;
INSERT INTO t1 SET c1 = -1 ;
SELECT * FROM t1;
c1
-1
1
2
INSERT INTO t1 SET c1 = -1 ;
Got one of the listed errors
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` int(11 ) NOT NULL AUTO_INCREMENT,
PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
REPLACE INTO t1 VALUES (-1 );
SELECT * FROM t1;
c1
-1
1
2
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` int(11 ) NOT NULL AUTO_INCREMENT,
PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t1;
DROP TABLE IF EXISTS t1;
Warnings:
Note 1051 Unknown table 'test.t1'
CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB;
INSERT INTO t1 VALUES (-685113344 ), (1 ), (NULL), (NULL);
SELECT * FROM t1;
c1
-685113344
1
2
3
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` int(11 ) NOT NULL AUTO_INCREMENT,
PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=6 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t1;
CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB;
INSERT INTO t1 VALUES (-685113344 ), (2 ), (NULL), (NULL);
SELECT * FROM t1;
c1
-685113344
2
3
4
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` int(11 ) NOT NULL AUTO_INCREMENT,
PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t1;
CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB;
INSERT INTO t1 VALUES (NULL), (2 ), (-685113344 ), (NULL);
INSERT INTO t1 VALUES (4 ), (5 ), (6 ), (NULL);
SELECT * FROM t1;
c1
-685113344
1
2
3
4
5
6
7
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` int(11 ) NOT NULL AUTO_INCREMENT,
PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=11 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t1;
CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB;
INSERT INTO t1 VALUES (NULL), (2 ), (-685113344 ), (5 );
SELECT * FROM t1;
c1
-685113344
1
2
5
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` int(11 ) NOT NULL AUTO_INCREMENT,
PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=6 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t1;
CREATE TABLE t1 (c1 INTEGER AUTO_INCREMENT, PRIMARY KEY (c1)) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1 ), (2 ), (-685113344 ), (NULL);
SELECT * FROM t1;
c1
-685113344
1
2
3
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` int(11 ) NOT NULL AUTO_INCREMENT,
PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t1;
DROP TABLE IF EXISTS t1;
Warnings:
Note 1051 Unknown table 'test.t1'
CREATE TABLE t1(c1 BIGINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY) ENGINE=InnoDB;
INSERT INTO t1 VALUES (NULL);
INSERT INTO t1 VALUES (18446744073709551615 );
# restart
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` bigint(20 ) unsigned NOT NULL AUTO_INCREMENT,
PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=18446744073709551615 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
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=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
SELECT * FROM t1;
c1 c2
1 NULL
DROP TABLE t1;
SET @@SESSION.AUTO_INCREMENT_INCREMENT=1 , @@SESSION.AUTO_INCREMENT_OFFSET=1 ;
SHOW VARIABLES LIKE "auto_inc%" ;
Variable_name Value
auto_increment_increment 1
auto_increment_offset 1
CREATE TABLE t1 (c1 INT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10 )) ENGINE=InnoDB;
INSERT INTO t1 VALUES (2147483648 , 'a' );
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` int(10 ) unsigned NOT NULL AUTO_INCREMENT,
`c2` varchar(10 ) DEFAULT NULL,
PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=2147483649 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
SELECT * FROM t1;
c1 c2
2147483648 a
SET STATEMENT sql_mode = 'NO_ENGINE_SUBSTITUTION' FOR
ALTER TABLE t1 CHANGE c1 c1 INT default 0 ;
Warnings:
Warning 1264 Out of range value for column 'c1' at row 1
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` int(11 ) NOT NULL DEFAULT 0 ,
`c2` varchar(10 ) DEFAULT NULL,
PRIMARY KEY (`c1`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
INSERT INTO t1(c2) VALUES('b' );
SELECT * FROM t1;
c1 c2
0 b
2147483647 a
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` int(11 ) NOT NULL DEFAULT 0 ,
`c2` varchar(10 ) DEFAULT NULL,
PRIMARY KEY (`c1`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t1;
#
# Bug #14049391 INNODB MISCALCULATES AUTO-INCREMENT
# AFTER CHANGING AUTO_INCREMENT_INCREMEMENT
#
CREATE TABLE t ( i INT AUTO_INCREMENT, KEY(i) ) ENGINE=InnoDB;
SET auto_increment_increment = 300 ;
INSERT INTO t VALUES (NULL), (NULL);
SHOW CREATE TABLE t;
Table Create Table
t CREATE TABLE `t` (
`i` int(11 ) NOT NULL AUTO_INCREMENT,
KEY `i` (`i`)
) ENGINE=InnoDB AUTO_INCREMENT=601 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
SET auto_increment_increment = 50 ;
INSERT INTO t VALUES (NULL);
SELECT * FROM t;
i
1
301
601
SHOW CREATE TABLE t;
Table Create Table
t CREATE TABLE `t` (
`i` int(11 ) NOT NULL AUTO_INCREMENT,
KEY `i` (`i`)
) ENGINE=InnoDB AUTO_INCREMENT=651 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t;
SET auto_increment_increment = DEFAULT;
#
# MDEV-14008 Assertion failing: `!is_set() || (m_status == DA_OK_BULK && is_bulk_op())
#
SET sql_mode=STRICT_ALL_TABLES;
CREATE TABLE t1 (
c1 DOUBLE NOT NULL PRIMARY KEY AUTO_INCREMENT
) ENGINE=InnoDB AUTO_INCREMENT=10000000000000000000 ;
INSERT INTO t1 VALUES ();
SELECT * FROM t1;
c1
1 e19
DROP TABLE t1;
CREATE TABLE t1 (a DOUBLE PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB;
INSERT INTO t1 VALUES (-1 );
SELECT * FROM t1;
a
-1
DROP TABLE t1;
#
# MDEV-15352 AUTO_INCREMENT breaks after updating a column value to a negative number
#
SET @engine='INNODB' ;
CREATE PROCEDURE autoinc_mdev15353_one(engine VARCHAR(64 ), t VARCHAR(64 ))
BEGIN
DECLARE query TEXT DEFAULT 'CREATE TABLE t1 ('
' id TTT NOT NULL AUTO_INCREMENT,'
' name CHAR(30) NOT NULL,'
' PRIMARY KEY (id)) ENGINE=EEE' ;
EXECUTE IMMEDIATE REPLACE (REPLACE (query,'TTT' , t), 'EEE' , engine);
SHOW CREATE TABLE t1;
INSERT INTO t1 (name) VALUES ('dog' );
SELECT * FROM t1;
UPDATE t1 SET id=-1 WHERE id=1 ;
SELECT * FROM t1;
INSERT INTO t1 (name) VALUES ('cat' );
SELECT * FROM t1;
DROP TABLE t1;
END;
$$
CALL autoinc_mdev15353_one(@engine, 'tinyint' );
Table Create Table
t1 CREATE TABLE `t1` (
`id` tinyint(4 ) NOT NULL AUTO_INCREMENT,
`name` char(30 ) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
id name
1 dog
id name
-1 dog
id name
-1 dog
2 cat
CALL autoinc_mdev15353_one(@engine, 'smallint' );
Table Create Table
t1 CREATE TABLE `t1` (
`id` smallint(6 ) NOT NULL AUTO_INCREMENT,
`name` char(30 ) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
id name
1 dog
id name
-1 dog
id name
-1 dog
2 cat
CALL autoinc_mdev15353_one(@engine, 'mediumint' );
Table Create Table
t1 CREATE TABLE `t1` (
`id` mediumint(9 ) NOT NULL AUTO_INCREMENT,
`name` char(30 ) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
id name
1 dog
id name
-1 dog
id name
-1 dog
2 cat
CALL autoinc_mdev15353_one(@engine, 'int' );
Table Create Table
t1 CREATE TABLE `t1` (
`id` int(11 ) NOT NULL AUTO_INCREMENT,
`name` char(30 ) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
id name
1 dog
id name
-1 dog
id name
-1 dog
2 cat
CALL autoinc_mdev15353_one(@engine, 'bigint' );
Table Create Table
t1 CREATE TABLE `t1` (
`id` bigint(20 ) NOT NULL AUTO_INCREMENT,
`name` char(30 ) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
id name
1 dog
id name
-1 dog
id name
-1 dog
2 cat
CALL autoinc_mdev15353_one(@engine, 'float' );
Table Create Table
t1 CREATE TABLE `t1` (
`id` float NOT NULL AUTO_INCREMENT,
`name` char(30 ) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
id name
1 dog
id name
-1 dog
id name
-1 dog
2 cat
CALL autoinc_mdev15353_one(@engine, 'double' );
Table Create Table
t1 CREATE TABLE `t1` (
`id` double NOT NULL AUTO_INCREMENT,
`name` char(30 ) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
id name
1 dog
id name
-1 dog
id name
-1 dog
2 cat
DROP PROCEDURE autoinc_mdev15353_one;
#
# MDEV-28416 Incorrect AUTO_INCREMENT may be issued
#
SET @aii=@@auto_increment_increment;
SET auto_increment_increment=300 ;
CREATE TABLE t1 (a SERIAL) ENGINE=innodb;
INSERT INTO t1 VALUES (18446744073709551613 );
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` bigint(20 ) unsigned NOT NULL AUTO_INCREMENT,
UNIQUE KEY `a` (`a`)
) ENGINE=InnoDB AUTO_INCREMENT=18446744073709551614 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
INSERT INTO t1 VALUES (NULL);
ERROR 22003 : Out of range value for column 'a' at row 1
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` bigint(20 ) unsigned NOT NULL AUTO_INCREMENT,
UNIQUE KEY `a` (`a`)
) ENGINE=InnoDB AUTO_INCREMENT=18446744073709551615 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t1;
SET auto_increment_increment=@aii;
# End of 10 .2 tests
Messung V0.5 in Prozent C=67 H=100 G=84
¤ Dauer der Verarbeitung: 0.33 Sekunden
(vorverarbeitet am 2026-10-08)
¤
*© Formatika GbR, Deutschland