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Commit 6bd8f661 authored by sunny's avatar sunny
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branches/5.1: Ignore negative values supplied by the user when calculating the 

next value to store in dict_table_t. Setting autoincrement columns top negative
values is undefined behavior and this change should bring the behavior of
InnoDB closer to what users expect. Added several tests to check.
rb://162
parent 523967e3
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handler/ha_innodb.cc
View file @ 6bd8f661
...@@ -7784,6 +7784,7 @@ ha_innobase::get_auto_increment( ...@@ -7784,6 +7784,7 @@ ha_innobase::get_auto_increment(
AUTOINC counter after attempting to insert the row. */ AUTOINC counter after attempting to insert the row. */
if (innobase_autoinc_lock_mode != AUTOINC_OLD_STYLE_LOCKING) { if (innobase_autoinc_lock_mode != AUTOINC_OLD_STYLE_LOCKING) {
ulonglong need; ulonglong need;
ulonglong current;
ulonglong next_value; ulonglong next_value;
ulonglong col_max_value; ulonglong col_max_value;
...@@ -7792,11 +7793,12 @@ ha_innobase::get_auto_increment( ...@@ -7792,11 +7793,12 @@ ha_innobase::get_auto_increment(
col_max_value = innobase_get_int_col_max_value( col_max_value = innobase_get_int_col_max_value(
table->next_number_field); table->next_number_field);
current = *first_value > col_max_value ? autoinc : *first_value;
need = *nb_reserved_values * increment; need = *nb_reserved_values * increment;
/* Compute the last value in the interval */ /* Compute the last value in the interval */
next_value = innobase_next_autoinc( next_value = innobase_next_autoinc(
*first_value, need, offset, col_max_value); current, need, offset, col_max_value);
prebuilt->autoinc_last_value = next_value; prebuilt->autoinc_last_value = next_value;
......
mysql-test/innodb-autoinc.result
View file @ 6bd8f661
...@@ -889,3 +889,218 @@ d1 ...@@ -889,3 +889,218 @@ d1
4 4
5 5
DROP TABLE t1; 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 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=latin1
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 INTO t1 VALUES (-1, 'innodb');
Warnings:
Warning 1264 Out of range value for column 'c1' at row 1
INSERT 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=latin1
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=latin1
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 INTO t1 VALUES (-1, 'innodb');
Warnings:
Warning 1264 Out of range value for column 'c1' at row 1
INSERT 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=latin1
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=latin1
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 INTO t1 VALUES (-1, 'innodb');
Warnings:
Warning 1264 Out of range value for column 'c1' at row 1
INSERT 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=latin1
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=latin1
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 INTO t1 VALUES (-1, 'innodb');
Warnings:
Warning 1264 Out of range value for column 'c1' at row 1
INSERT 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=latin1
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=latin1
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 INTO t1 VALUES (-1, 'innodb');
Warnings:
Warning 1264 Out of range value for column 'c1' at row 1
INSERT 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=latin1
SELECT * FROM t1;
c1 c2
1 NULL
2 innodb
3 innodb
4 NULL
DROP TABLE t1;
mysql-test/innodb-autoinc.test
View file @ 6bd8f661
...@@ -502,3 +502,108 @@ ALTER TABLE t1 AUTO_INCREMENT = 3; ...@@ -502,3 +502,108 @@ ALTER TABLE t1 AUTO_INCREMENT = 3;
INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null);
SELECT * FROM t1; SELECT * FROM t1;
DROP TABLE t1; DROP TABLE t1;
# If the user has specified negative values for an AUTOINC column then
# InnoDB should ignore those values when setting the table's max value.
SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1;
SHOW VARIABLES LIKE "%auto_inc%";
# TINYINT
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;
SELECT * FROM t1;
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 INTO t1 VALUES (-1, 'innodb');
INSERT INTO t1 VALUES (-127, 'innodb');
INSERT INTO t1 VALUES (NULL, NULL);
SHOW CREATE TABLE t1;
SELECT * FROM t1;
DROP TABLE t1;
#
# SMALLINT
#
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;
SELECT * FROM t1;
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 INTO t1 VALUES (-1, 'innodb');
INSERT INTO t1 VALUES (-32757, 'innodb');
INSERT INTO t1 VALUES (NULL, NULL);
SHOW CREATE TABLE t1;
SELECT * FROM t1;
DROP TABLE t1;
#
# MEDIUMINT
#
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;
SELECT * FROM t1;
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 INTO t1 VALUES (-1, 'innodb');
INSERT INTO t1 VALUES (-8388607, 'innodb');
INSERT INTO t1 VALUES (NULL, NULL);
SHOW CREATE TABLE t1;
SELECT * FROM t1;
DROP TABLE t1;
#
# INT
#
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;
SELECT * FROM t1;
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 INTO t1 VALUES (-1, 'innodb');
INSERT INTO t1 VALUES (-2147483647, 'innodb');
INSERT INTO t1 VALUES (NULL, NULL);
SHOW CREATE TABLE t1;
SELECT * FROM t1;
DROP TABLE t1;
#
# BIGINT
#
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;
SELECT * FROM t1;
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 INTO t1 VALUES (-1, 'innodb');
INSERT INTO t1 VALUES (-9223372036854775807, 'innodb');
INSERT INTO t1 VALUES (NULL, NULL);
SHOW CREATE TABLE t1;
SELECT * FROM t1;
DROP TABLE t1;
# End negative number check
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