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MDEV-33881 Userstat skips system tables inconsistently

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Fixed that no tables from 'mysql' schema are included in userstat.
A beneif of this is that the server is not reading statistics tables
if mysql.proc or other tables in mysql is accessed.
This commit is contained in:
Monty
2024-04-18 11:45:21 +03:00
committed by Sergei Golubchik
parent ab513b007b
commit 0f414f639c
9 changed files with 83 additions and 87 deletions
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24
mysql-test/main/mysqldump-system.test
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@ -39,18 +39,18 @@ ALTER TABLE mysql.roles_mapping ORDER BY Host, User, Role;
# innodb and EITS tables statistics
#
set @save_innodb_stats_persistent= @@innodb_stats_persistent;
create table mysql.tz like mysql.time_zone_transition;
alter table mysql.tz engine=innodb;
insert into mysql.tz select * from mysql.time_zone_transition;
create table test.tz like mysql.time_zone_transition;
alter table test.tz engine=innodb;
insert into test.tz select * from mysql.time_zone_transition;
set global innodb_stats_persistent=1;
set time_zone="+03:00";
SET TIMESTAMP= UNIX_TIMESTAMP('2022-01-07 07:07:00');
ANALYZE TABLE mysql.tz PERSISTENT FOR ALL;
ANALYZE TABLE test.tz PERSISTENT FOR ALL;
# for predictable output in tests
delete from mysql.index_stats where prefix_arity!=1;
delete from mysql.column_stats where column_name!='Time_zone_id';
update mysql.innodb_index_stats set last_update="2020-01-01" where database_name="mysql" and table_name="tz";
update mysql.innodb_table_stats set last_update="2020-01-01" where database_name="mysql" and table_name="tz";
update mysql.innodb_index_stats set last_update="2020-01-01" where database_name="test" and table_name="tz";
update mysql.innodb_table_stats set last_update="2020-01-01" where database_name="test" and table_name="tz";
update mysql.column_stats set histogram=json_replace(histogram, '$.collected_by', replace(json_value(histogram, '$.collected_by'), @@version, 'version'));
set global innodb_stats_persistent= @save_innodb_stats_persistent;
alter table mysql.time_zone_name ORDER BY Name;
@ -144,12 +144,12 @@ DROP FUNCTION IF EXISTS metaphon;
DROP SERVER s1;
# EITS && innodb stats
DELETE FROM mysql.column_stats WHERE db_name='mysql' and table_name in ('tz', 'gtid_slave_pos');
DELETE FROM mysql.index_stats WHERE db_name='mysql' and table_name in ('tz', 'gtid_slave_pos');
DELETE FROM mysql.table_stats WHERE db_name='mysql' and table_name in ('tz', 'gtid_slave_pos');
DELETE FROM mysql.innodb_index_stats WHERE database_name='mysql' and table_name in ('tz','gtid_slave_pos');
DELETE FROM mysql.innodb_table_stats WHERE database_name='mysql' and table_name in ('tz','gtid_slave_pos');
drop table mysql.tz;
DELETE FROM mysql.column_stats WHERE db_name='mysql';
DELETE FROM mysql.index_stats WHERE db_name='mysql';
DELETE FROM mysql.table_stats WHERE db_name='mysql';
DELETE FROM mysql.innodb_index_stats WHERE database_name='test';
DELETE FROM mysql.innodb_table_stats WHERE database_name='mysql';
drop table test.tz;
DROP ROLE role_2;
DROP ROLE role_1;