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#
# Bug26390736 THE FIELD TABLE_NAME (VARCHAR(64)) FROM MYSQL.INNODB_TABLE_STATS CAN OVERFLOW
#
show create table mysql.innodb_index_stats;
Table Create Table
innodb_index_stats CREATE TABLE `innodb_index_stats` (
`database_name` varchar(64) COLLATE utf8_bin NOT NULL,
`table_name` varchar(199) COLLATE utf8_bin NOT NULL,
`index_name` varchar(64) COLLATE utf8_bin NOT NULL,
`last_update` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
`stat_name` varchar(64) COLLATE utf8_bin NOT NULL,
`stat_value` bigint(20) unsigned NOT NULL,
`sample_size` bigint(20) unsigned DEFAULT NULL,
`stat_description` varchar(1024) COLLATE utf8_bin NOT NULL,
PRIMARY KEY (`database_name`,`table_name`,`index_name`,`stat_name`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin STATS_PERSISTENT=0
show create table mysql.innodb_table_stats;
Table Create Table
innodb_table_stats CREATE TABLE `innodb_table_stats` (
`database_name` varchar(64) COLLATE utf8_bin NOT NULL,
`table_name` varchar(199) COLLATE utf8_bin NOT NULL,
`last_update` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
`n_rows` bigint(20) unsigned NOT NULL,
`clustered_index_size` bigint(20) unsigned NOT NULL,
`sum_of_other_index_sizes` bigint(20) unsigned NOT NULL,
PRIMARY KEY (`database_name`,`table_name`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin STATS_PERSISTENT=0
create table abcdefghijklmnopqrstuvwxyz_abcdefghijklmnopqrstuvwxyz_abcdefghij (id int) engine=innodb
partition by range (id)
subpartition by hash(id) (
partition pbcdefghijklmnopqrstuvwxyz_abcdefghijklmnopqrstuvwxyz_abcdefghij values less than (10) (
subpartition subdefghijklmnopqrstuvwxyz_abcdefghijklmnopqrstuvwxyz_abcdefghij,
subpartition s02
),
partition pmax VALUES LESS THAN MAXVALUE (
subpartition pmax_sub1,
subpartition pmax_sub2
)
);
select table_name,LENGTH(table_name) from mysql.innodb_table_stats where LENGTH(table_name) = 199;
table_name LENGTH(table_name)
abcdefghijklmnopqrstuvwxyz_abcdefghijklmnopqrstuvwxyz_abcdefghij#p#pbcdefghijklmnopqrstuvwxyz_abcdefghijklmnopqrstuvwxyz_abcdefghij#sp#subdefghijklmnopqrstuvwxyz_abcdefghijklmnopqrstuvwxyz_abcdefghij 199
select table_name,LENGTH(table_name) from mysql.innodb_index_stats where LENGTH(table_name) = 199;
table_name LENGTH(table_name)
abcdefghijklmnopqrstuvwxyz_abcdefghijklmnopqrstuvwxyz_abcdefghij#p#pbcdefghijklmnopqrstuvwxyz_abcdefghijklmnopqrstuvwxyz_abcdefghij#sp#subdefghijklmnopqrstuvwxyz_abcdefghijklmnopqrstuvwxyz_abcdefghij 199
abcdefghijklmnopqrstuvwxyz_abcdefghijklmnopqrstuvwxyz_abcdefghij#p#pbcdefghijklmnopqrstuvwxyz_abcdefghijklmnopqrstuvwxyz_abcdefghij#sp#subdefghijklmnopqrstuvwxyz_abcdefghijklmnopqrstuvwxyz_abcdefghij 199
abcdefghijklmnopqrstuvwxyz_abcdefghijklmnopqrstuvwxyz_abcdefghij#p#pbcdefghijklmnopqrstuvwxyz_abcdefghijklmnopqrstuvwxyz_abcdefghij#sp#subdefghijklmnopqrstuvwxyz_abcdefghijklmnopqrstuvwxyz_abcdefghij 199
drop table abcdefghijklmnopqrstuvwxyz_abcdefghijklmnopqrstuvwxyz_abcdefghij;
CALL mtr.add_suppression("Table mysql/innodb_table_stats has length mismatch in the column name table_name. Please run mysql_upgrade");
CALL mtr.add_suppression("Table mysql/innodb_index_stats has length mismatch in the column name table_name. Please run mysql_upgrade");
alter table mysql.innodb_table_stats modify table_name varchar(64);
alter table mysql.innodb_index_stats modify table_name varchar(64);
show create table mysql.innodb_index_stats;
Table Create Table
innodb_index_stats CREATE TABLE `innodb_index_stats` (
`database_name` varchar(64) COLLATE utf8_bin NOT NULL,
`table_name` varchar(64) COLLATE utf8_bin NOT NULL,
`index_name` varchar(64) COLLATE utf8_bin NOT NULL,
`last_update` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
`stat_name` varchar(64) COLLATE utf8_bin NOT NULL,
`stat_value` bigint(20) unsigned NOT NULL,
`sample_size` bigint(20) unsigned DEFAULT NULL,
`stat_description` varchar(1024) COLLATE utf8_bin NOT NULL,
PRIMARY KEY (`database_name`,`table_name`,`index_name`,`stat_name`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin STATS_PERSISTENT=0
show create table mysql.innodb_table_stats;
Table Create Table
innodb_table_stats CREATE TABLE `innodb_table_stats` (
`database_name` varchar(64) COLLATE utf8_bin NOT NULL,
`table_name` varchar(64) COLLATE utf8_bin NOT NULL,
`last_update` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
`n_rows` bigint(20) unsigned NOT NULL,
`clustered_index_size` bigint(20) unsigned NOT NULL,
`sum_of_other_index_sizes` bigint(20) unsigned NOT NULL,
PRIMARY KEY (`database_name`,`table_name`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin STATS_PERSISTENT=0
mysql.columns_priv OK
mysql.db OK
mysql.engine_cost OK
mysql.event OK
mysql.func OK
mysql.general_log OK
mysql.gtid_executed OK
mysql.help_category OK
mysql.help_keyword OK
mysql.help_relation OK
mysql.help_topic OK
mysql.innodb_index_stats OK
mysql.innodb_table_stats OK
mysql.ndb_binlog_index OK
mysql.plugin OK
mysql.proc OK
mysql.procs_priv OK
mysql.proxies_priv OK
mysql.server_cost OK
mysql.servers OK
mysql.slave_master_info OK
mysql.slave_relay_log_info OK
mysql.slave_worker_info OK
mysql.slow_log OK
mysql.tables_priv OK
mysql.time_zone OK
mysql.time_zone_leap_second OK
mysql.time_zone_name OK
mysql.time_zone_transition OK
mysql.time_zone_transition_type OK
mysql.user OK
mtr.global_suppressions OK
mtr.test_suppressions OK
sys.sys_config OK
show create table mysql.innodb_index_stats;
Table Create Table
innodb_index_stats CREATE TABLE `innodb_index_stats` (
`database_name` varchar(64) COLLATE utf8_bin NOT NULL,
`table_name` varchar(199) COLLATE utf8_bin NOT NULL,
`index_name` varchar(64) COLLATE utf8_bin NOT NULL,
`last_update` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
`stat_name` varchar(64) COLLATE utf8_bin NOT NULL,
`stat_value` bigint(20) unsigned NOT NULL,
`sample_size` bigint(20) unsigned DEFAULT NULL,
`stat_description` varchar(1024) COLLATE utf8_bin NOT NULL,
PRIMARY KEY (`database_name`,`table_name`,`index_name`,`stat_name`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin STATS_PERSISTENT=0
show create table mysql.innodb_table_stats;
Table Create Table
innodb_table_stats CREATE TABLE `innodb_table_stats` (
`database_name` varchar(64) COLLATE utf8_bin NOT NULL,
`table_name` varchar(199) COLLATE utf8_bin NOT NULL,
`last_update` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
`n_rows` bigint(20) unsigned NOT NULL,
`clustered_index_size` bigint(20) unsigned NOT NULL,
`sum_of_other_index_sizes` bigint(20) unsigned NOT NULL,
PRIMARY KEY (`database_name`,`table_name`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin STATS_PERSISTENT=0