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Handle upgrades

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This commit is contained in:
Sergei Petrunia
2021-08-31 17:46:07 +03:00
parent e675f44624
commit 9de81b2cde
3 changed files with 164 additions and 0 deletions
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mysql-test/main/statistics_upgrade.result Normal file
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call mtr.add_suppression("Incorrect definition of table mysql.column_stats:.*");
set histogram_type=single_prec_hb;
create table t1 (a int);
insert into t1 select seq from seq_1_to_100;
analyze table t1 persistent for all;
Table Op Msg_type Msg_text
test.t1 analyze status Engine-independent statistics collected
test.t1 analyze status OK
set histogram_type=double_prec_hb, histogram_size=20;
create table t2 (a int);
insert into t2 select seq from seq_1_to_100;
analyze table t2 persistent for all;
Table Op Msg_type Msg_text
test.t2 analyze status Engine-independent statistics collected
test.t2 analyze status OK
CREATE TABLE IF NOT EXISTS t3 (
db_name varchar(64) NOT NULL,
table_name varchar(64) NOT NULL,
column_name varchar(64) NOT NULL,
min_value varbinary(255) DEFAULT NULL,
max_value varbinary(255) DEFAULT NULL,
nulls_ratio decimal(12,4) DEFAULT NULL,
avg_length decimal(12,4) DEFAULT NULL,
avg_frequency decimal(12,4) DEFAULT NULL,
hist_size tinyint unsigned,
hist_type enum('SINGLE_PREC_HB','DOUBLE_PREC_HB'),
histogram varbinary(255),
PRIMARY KEY (db_name,table_name,column_name)
) engine=Aria transactional=0 CHARACTER SET utf8 COLLATE utf8_bin comment='Statistics on Columns';
insert into t3 select * from mysql.column_stats;
create table t4 like t3;
insert into t4 select * from t3;
drop table mysql.column_stats;
alter table t3 rename mysql.column_stats;
# Run mysql_upgrade
/optane/dev-git2/10.7-gsoc/client/mysql_upgrade --defaults-file=/optane/dev-git2/10.7-gsoc/mysql-test/var/my.cnf
mysql.innodb_index_stats
Error : Unknown storage engine 'InnoDB'
error : Corrupt
mysql.innodb_table_stats
Error : Unknown storage engine 'InnoDB'
error : Corrupt
mysql.transaction_registry
Error : Unknown storage engine 'InnoDB'
error : Corrupt
mysql.innodb_index_stats
Error : Unknown storage engine 'InnoDB'
error : Corrupt
mysql.innodb_table_stats
Error : Unknown storage engine 'InnoDB'
error : Corrupt
mysql.transaction_registry
Error : Unknown storage engine 'InnoDB'
error : Corrupt
#
# Table definition after upgrade:
#
show create table mysql.column_stats;
Table Create Table
column_stats CREATE TABLE `column_stats` (
`db_name` varchar(64) COLLATE utf8mb3_bin NOT NULL,
`table_name` varchar(64) COLLATE utf8mb3_bin NOT NULL,
`column_name` varchar(64) COLLATE utf8mb3_bin NOT NULL,
`min_value` varbinary(255) DEFAULT NULL,
`max_value` varbinary(255) DEFAULT NULL,
`nulls_ratio` decimal(12,4) DEFAULT NULL,
`avg_length` decimal(12,4) DEFAULT NULL,
`avg_frequency` decimal(12,4) DEFAULT NULL,
`hist_size` tinyint(3) unsigned DEFAULT NULL,
`hist_type` enum('SINGLE_PREC_HB','DOUBLE_PREC_HB','JSON_HB') COLLATE utf8mb3_bin DEFAULT NULL,
`histogram` blob DEFAULT NULL,
PRIMARY KEY (`db_name`,`table_name`,`column_name`)
) ENGINE=Aria DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_bin PAGE_CHECKSUM=1 TRANSACTIONAL=0 COMMENT='Statistics on Columns'
select
A.db_name,
A.table_name,
A.hist_type = B.hist_type as hist_type_equal,
A.histogram = B.histogram as histogram_equal
from
t4 A
left join
mysql.column_stats B on A.db_name=B.db_name and
A.table_name=B.table_name and
A.column_name=B.column_name;
db_name table_name hist_type_equal histogram_equal
test t1 1 1
test t2 1 1
drop table t1,t2,t4;