rename table mysql.table_stats to mysql.table_stats_save; flush tables; set use_stat_tables= PREFERABLY; create table t1 (a int) engine=InnoDB; start transaction; insert t1 values (1); insert t1 values (2); commit; select * from t1; a 1 2 drop table t1; rename table mysql.table_stats_save to mysql.table_stats; flush tables; # # MDEV-26753 Assertion state == TRX_STATE_PREPARED ||... failed # CREATE TABLE t1(a INT PRIMARY KEY) ENGINE=InnoDB; XA START 'test'; SELECT COUNT(*)>0 FROM mysql.innodb_index_stats LOCK IN SHARE MODE; COUNT(*)>0 1 INSERT INTO t1 VALUES (1),(2); UPDATE mysql.innodb_table_stats SET last_update=NULL WHERE table_name='t1'; XA END 'test'; XA ROLLBACK 'test'; DROP TABLE t1; # # 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" # # # Testing a non-default format: Field_timestamp0 - UINT4 based # SET @@global.mysql56_temporal_format=0; ALTER TABLE mysql.innodb_table_stats MODIFY last_update TIMESTAMP NOT NULL DEFAULT current_timestamp() ON UPDATE current_timestamp(); ALTER TABLE mysql.innodb_index_stats MODIFY last_update TIMESTAMP NOT NULL DEFAULT current_timestamp() ON UPDATE current_timestamp(); SHOW COLUMNS FROM mysql.innodb_table_stats LIKE 'last_update'; Field Type Null Key Default Extra last_update timestamp /* mariadb-5.3 */ NO current_timestamp() on update current_timestamp() SHOW COLUMNS FROM mysql.innodb_index_stats LIKE 'last_update'; Field Type Null Key Default Extra last_update timestamp /* mariadb-5.3 */ NO current_timestamp() on update current_timestamp() CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=InnoDB STATS_PERSISTENT=1; SELECT TIMESTAMPDIFF(DAY,last_update,now())<=1 FROM mysql.innodb_table_stats WHERE database_name='test' AND table_name='t1'; TIMESTAMPDIFF(DAY,last_update,now())<=1 1 SELECT TIMESTAMPDIFF(DAY,last_update,now())<=1 FROM mysql.innodb_index_stats WHERE database_name='test' AND table_name='t1' AND stat_name='size'; TIMESTAMPDIFF(DAY,last_update,now())<=1 1 DROP TABLE t1; # # Now as the table t1 is dropped, expect no statistics # SELECT * FROM mysql.innodb_table_stats WHERE database_name='test' AND table_name='t1'; database_name table_name last_update n_rows clustered_index_size sum_of_other_index_sizes SELECT * FROM mysql.innodb_index_stats WHERE database_name='test' AND table_name='t1' AND stat_name='size'; database_name table_name index_name last_update stat_name stat_value sample_size stat_description # # Testing with the default format: Field_timestampf - BINARY(4) based with the UNSIGNED_FLAG # SET @@global.mysql56_temporal_format=1; ALTER TABLE mysql.innodb_table_stats MODIFY last_update TIMESTAMP NOT NULL DEFAULT current_timestamp() ON UPDATE current_timestamp(); ALTER TABLE mysql.innodb_index_stats MODIFY last_update TIMESTAMP NOT NULL DEFAULT current_timestamp() ON UPDATE current_timestamp(); SHOW COLUMNS FROM mysql.innodb_table_stats LIKE 'last_update'; Field Type Null Key Default Extra last_update timestamp NO current_timestamp() on update current_timestamp() SHOW COLUMNS FROM mysql.innodb_index_stats LIKE 'last_update'; Field Type Null Key Default Extra last_update timestamp NO current_timestamp() on update current_timestamp() CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=InnoDB STATS_PERSISTENT=1; SELECT TIMESTAMPDIFF(DAY,last_update,now())<=1 FROM mysql.innodb_table_stats WHERE database_name='test' AND table_name='t1'; TIMESTAMPDIFF(DAY,last_update,now())<=1 1 SELECT TIMESTAMPDIFF(DAY,last_update,now())<=1 FROM mysql.innodb_index_stats WHERE database_name='test' AND table_name='t1' AND stat_name='size'; TIMESTAMPDIFF(DAY,last_update,now())<=1 1 DROP TABLE t1; # # MDEV-34207: ALTER TABLE...STATS_PERSISTENT=0 fails to drop statistics # CREATE TABLE t1 (c1 INT) ENGINE=InnoDB STATS_PERSISTENT 1; ALTER TABLE t1 STATS_PERSISTENT 0; DROP TABLE t1; SET @save_persistent=@@GLOBAL.innodb_stats_persistent; SET GLOBAL innodb_stats_persistent=1; CREATE TABLE t2 (c1 INT) ENGINE=InnoDB; RENAME TABLE t2 TO t1; DROP TABLE t1; SET GLOBAL innodb_stats_persistent=0; CREATE TABLE t2 (c1 INT) ENGINE=InnoDB STATS_PERSISTENT 1; RENAME TABLE t2 TO t1; SET GLOBAL innodb_stats_persistent=@save_persistent; DROP TABLE t1; CREATE TABLE t1 (c1 INT) ENGINE=InnoDB STATS_PERSISTENT 1; DROP TABLE t1; # End of 10.6 tests # # MDEV-36373 Warning: ... persistent statistics storage is corrupted # CREATE TABLE t1 (c INT) ENGINE=InnoDB; SET STATEMENT transaction_read_only=1 FOR ANALYZE TABLE t1; Table Op Msg_type Msg_text test.t1 analyze status Engine-independent statistics collected test.t1 analyze status OK DROP TABLE t1; # End of 10.11 tests