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Fix Bug #55277 - Failing assertion: auto_inc > 0

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Handle overflow when reading value from SELECT MAX(C) FROM T;

Call ha_innobase::info() after initializing the autoinc value
in ha_innobase::open().

Fix for both the builtin and plugin.

rb://402

Merge from mysql-5.1-security.
This commit is contained in:
Sunny Bains
2010-08-16 11:59:43 +10:00
parent eebecee7d3
commit adde4bac98
3 changed files with 38 additions and 8 deletions
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13
mysql-test/suite/innodb/r/innodb-autoinc.result
View File

@ -1244,3 +1244,16 @@ t1 CREATE TABLE `t1` (
PRIMARY KEY (`c1`)
) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=latin1
DROP TABLE t1;
DROP TABLE IF EXISTS t1;
Warnings:
Note 1051 Unknown table '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);
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=latin1
DROP TABLE t1;

12
mysql-test/suite/innodb/t/innodb-autoinc.test
View File

@ -665,7 +665,17 @@ SELECT * FROM t1;
SHOW CREATE TABLE t1;
DROP TABLE t1;
##
# 55277: Failing assertion: auto_inc > 0
#
DROP TABLE IF EXISTS 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 the server
-- source include/restart_mysqld.inc
SHOW CREATE TABLE t1;
DROP TABLE t1;
#
# restore environment to the state it was before this test execution
#