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03a9366c73
Adding tests demonstrating that columns: - mysql.innodb_table_stats.last_update - mysql.innodb_index_stats.last_update contain sane values close to NOW() rathar than a garbage. Tests cover these three underlying TIMESTAMP data formats: - MariaDB Field_timestamp0 - UINT4 based Like in a MariaDB native installation running with mysql56_temporal_format=0 - MariaDB Field_timestampf - BINARY(4) based, with UNSIGNED_FLAG Like in a MariaDB native installation running with mysql56_temporal_format=1 - MySQL-alike Field_timestampf - BINARY(4) based, without UNSIGNED_FLAG Like with a MariaDB server running over a MySQL-5.6 directory (e.g. during a migragion).
86 lines
3.4 KiB
Plaintext
86 lines
3.4 KiB
Plaintext
rename table mysql.table_stats to mysql.table_stats_save;
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flush tables;
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set use_stat_tables= PREFERABLY;
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create table t1 (a int) engine=InnoDB;
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start transaction;
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insert t1 values (1);
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insert t1 values (2);
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commit;
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select * from t1;
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a
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1
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2
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drop table t1;
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rename table mysql.table_stats_save to mysql.table_stats;
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flush tables;
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#
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# MDEV-26753 Assertion state == TRX_STATE_PREPARED ||... failed
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#
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CREATE TABLE t1(a INT PRIMARY KEY) ENGINE=InnoDB;
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XA START 'test';
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SELECT COUNT(*)>0 FROM mysql.innodb_index_stats LOCK IN SHARE MODE;
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COUNT(*)>0
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1
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INSERT INTO t1 VALUES (1),(2);
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UPDATE mysql.innodb_table_stats SET last_update=NULL WHERE table_name='t1';
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XA END 'test';
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XA ROLLBACK 'test';
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DROP TABLE t1;
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#
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# MDEV-30483 After upgrade to 10.6 from Mysql 5.7 seeing "InnoDB: Column last_update in table mysql.innodb_table_stats is BINARY(4) NOT NULL but should be INT UNSIGNED NOT NULL"
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#
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#
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# Testing a non-default format: Field_timestamp0 - UINT4 based
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#
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SET @@global.mysql56_temporal_format=0;
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ALTER TABLE mysql.innodb_table_stats MODIFY last_update TIMESTAMP;
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ALTER TABLE mysql.innodb_index_stats MODIFY last_update TIMESTAMP;
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SHOW COLUMNS FROM mysql.innodb_table_stats LIKE 'last_update';
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Field Type Null Key Default Extra
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last_update timestamp /* mariadb-5.3 */ NO current_timestamp() on update current_timestamp()
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SHOW COLUMNS FROM mysql.innodb_index_stats LIKE 'last_update';
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Field Type Null Key Default Extra
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last_update timestamp /* mariadb-5.3 */ NO current_timestamp() on update current_timestamp()
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CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=InnoDB STATS_PERSISTENT=1;
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SELECT TIMESTAMPDIFF(DAY,last_update,now())<=1 FROM mysql.innodb_table_stats
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WHERE database_name='test' AND table_name='t1';
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TIMESTAMPDIFF(DAY,last_update,now())<=1
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1
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SELECT TIMESTAMPDIFF(DAY,last_update,now())<=1 FROM mysql.innodb_index_stats
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WHERE database_name='test' AND table_name='t1' AND stat_name='size';
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TIMESTAMPDIFF(DAY,last_update,now())<=1
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1
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DROP TABLE t1;
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#
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# Now as the table t1 is dropped, expect no statistics
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#
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SELECT * FROM mysql.innodb_table_stats
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WHERE database_name='test' AND table_name='t1';
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database_name table_name last_update n_rows clustered_index_size sum_of_other_index_sizes
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SELECT * FROM mysql.innodb_index_stats
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WHERE database_name='test' AND table_name='t1' AND stat_name='size';
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database_name table_name index_name last_update stat_name stat_value sample_size stat_description
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#
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# Testing with the default format: Field_timestampf - BINARY(4) based with the UNSIGNED_FLAG
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#
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SET @@global.mysql56_temporal_format=1;
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ALTER TABLE mysql.innodb_table_stats MODIFY last_update TIMESTAMP;
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ALTER TABLE mysql.innodb_index_stats MODIFY last_update TIMESTAMP;
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SHOW COLUMNS FROM mysql.innodb_table_stats LIKE 'last_update';
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Field Type Null Key Default Extra
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last_update timestamp NO current_timestamp() on update current_timestamp()
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SHOW COLUMNS FROM mysql.innodb_index_stats LIKE 'last_update';
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Field Type Null Key Default Extra
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last_update timestamp NO current_timestamp() on update current_timestamp()
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CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=InnoDB STATS_PERSISTENT=1;
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SELECT TIMESTAMPDIFF(DAY,last_update,now())<=1 FROM mysql.innodb_table_stats
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WHERE database_name='test' AND table_name='t1';
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TIMESTAMPDIFF(DAY,last_update,now())<=1
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1
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SELECT TIMESTAMPDIFF(DAY,last_update,now())<=1 FROM mysql.innodb_index_stats
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WHERE database_name='test' AND table_name='t1' AND stat_name='size';
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TIMESTAMPDIFF(DAY,last_update,now())<=1
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1
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DROP TABLE t1;
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# End of 10.6 tests
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