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9df656db65
Replicated transaction extra gtid statement on slave failed to specify an engine gtid_slave_pos name correctly. In case lower-case-table-names > 0 the InnoDB table name was generated to reproduce the lower-case-table-names=0 version which is of mixed cases. In rpl.rpl_mdev12179 test run this triggered a failure to DROP table which was due to the innodb table handle was not closed: InnoDB: Waited XYZ seconds for ref-count on table: `mysql`.`gtid_slave_pos_innodb` on windows. The closing issue was caused by having the table registered twice in the table cache, for its lower- and mixed- case name versions. The DROP-table handler closed only only one of the cache item to leave the 2nd one active. (On Linux a failure occurs earlier at attempt to open an expected lower-cased table: Last_Error: Error during XID COMMIT: failed to update GTID state in mysql.gtid_slave_pos: 1146: Table 'mysql.gtid_slave_pos_InnoDB' doesn't exist but the table's name as the message shows is not in the right case). Fixed with consulting lower-case-table-names when the engine gtid-slave-pos table is created. Note the lower-case-table-names=a-value created table will not recognized when next the lower case option changes to a different value. In 10.4 a follow-up patch is going to lowercase gtid-slave-pos autocreated table at once at their origination, and a warning is issued in the 10.3 current patch.
276 lines
6.3 KiB
Plaintext
276 lines
6.3 KiB
Plaintext
include/rpl_init.inc [topology=1->2]
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connection server_2;
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call mtr.add_suppression("The automatically created table.*name may not be entirely in lowercase");
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SET GLOBAL gtid_pos_auto_engines="innodb";
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ERROR HY000: This operation cannot be performed as you have a running slave ''; run STOP SLAVE '' first
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include/stop_slave.inc
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CHANGE MASTER TO master_use_gtid=slave_pos;
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SELECT @@gtid_pos_auto_engines;
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@@gtid_pos_auto_engines
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SELECT @@SESSION.gtid_pos_auto_engines;
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ERROR HY000: Variable 'gtid_pos_auto_engines' is a GLOBAL variable
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SET GLOBAL gtid_pos_auto_engines= NULL;
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ERROR 42000: Variable 'gtid_pos_auto_engines' can't be set to the value of 'NULL'
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SET GLOBAL gtid_pos_auto_engines="innodb";
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SELECT @@gtid_pos_auto_engines;
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@@gtid_pos_auto_engines
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InnoDB
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SET GLOBAL gtid_pos_auto_engines="myisam,innodb";
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SELECT @@gtid_pos_auto_engines;
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@@gtid_pos_auto_engines
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MyISAM,InnoDB
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SET GLOBAL gtid_pos_auto_engines="innodb,myisam";
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SELECT @@gtid_pos_auto_engines;
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@@gtid_pos_auto_engines
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InnoDB,MyISAM
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SET GLOBAL gtid_pos_auto_engines="innodb,innodb,myisam,innodb,myisam,myisam,innodb";
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SELECT @@gtid_pos_auto_engines;
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@@gtid_pos_auto_engines
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InnoDB,MyISAM
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SET GLOBAL gtid_pos_auto_engines=DEFAULT;
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SELECT @@gtid_pos_auto_engines;
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@@gtid_pos_auto_engines
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SET GLOBAL gtid_pos_auto_engines="";
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SELECT @@gtid_pos_auto_engines;
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@@gtid_pos_auto_engines
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include/start_slave.inc
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connection server_1;
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CREATE TABLE t1 (a INT PRIMARY KEY);
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INSERT INTO t1 VALUES (1);
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SELECT * FROM t1 ORDER BY a;
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a
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1
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connection server_2;
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SELECT * FROM t1 ORDER BY a;
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a
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1
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include/stop_slave.inc
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SET sql_log_bin=0;
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ALTER TABLE mysql.gtid_slave_pos ENGINE=MyISAM;
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CREATE TABLE mysql.gtid_slave_pos_innodb LIKE mysql.gtid_slave_pos;
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ALTER TABLE mysql.gtid_slave_pos_innodb ENGINE=InnoDB;
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INSERT INTO mysql.gtid_slave_pos_innodb SELECT * FROM mysql.gtid_slave_pos;
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TRUNCATE mysql.gtid_slave_pos;
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SET sql_log_bin=1;
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connection server_1;
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INSERT INTO t1 VALUES (2);
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INSERT INTO t1 VALUES (3);
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SELECT * FROM t1 ORDER BY a;
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a
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1
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2
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3
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include/save_master_gtid.inc
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*** Restart server with --gtid-pos-auto-engines=innodb,myisam ***
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connection server_2;
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include/sync_with_master_gtid.inc
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SELECT * FROM t1 ORDER BY a;
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a
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1
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2
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3
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*** Verify no new gtid_slave_pos* tables are created ***
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SELECT table_name, engine FROM information_schema.tables
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WHERE table_schema='mysql' AND table_name LIKE 'gtid_slave_pos%'
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ORDER BY table_name;
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table_name engine
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gtid_slave_pos MyISAM
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gtid_slave_pos_innodb InnoDB
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SELECT @@gtid_pos_auto_engines;
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@@gtid_pos_auto_engines
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InnoDB,MyISAM
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include/stop_slave.inc
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SET sql_log_bin=0;
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INSERT INTO mysql.gtid_slave_pos_innodb SELECT * FROM mysql.gtid_slave_pos;
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DROP TABLE mysql.gtid_slave_pos;
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RENAME TABLE mysql.gtid_slave_pos_innodb TO mysql.gtid_slave_pos;
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SET sql_log_bin=1;
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connection server_1;
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CREATE TABLE t2 (a INT PRIMARY KEY) ENGINE=InnoDB;
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INSERT INTO t1 VALUES (4);
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INSERT INTO t2 VALUES (1);
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SELECT * FROM t1 ORDER BY a;
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a
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2
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3
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4
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SELECT * FROM t2 ORDER BY a;
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a
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1
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include/save_master_gtid.inc
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*** Restart server with --gtid-pos-auto-engines=myisam,innodb ***
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connection server_2;
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include/sync_with_master_gtid.inc
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SELECT * FROM t1 ORDER BY a;
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a
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2
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3
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4
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SELECT * FROM t2 ORDER BY a;
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a
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1
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*** Verify that no new gtid_slave_pos* tables are auto-created ***
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SELECT table_name, engine FROM information_schema.tables
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WHERE table_schema='mysql' AND table_name LIKE 'gtid_slave_pos%'
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ORDER BY table_name;
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table_name engine
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gtid_slave_pos InnoDB
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include/stop_slave.inc
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SET sql_log_bin=0;
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ALTER TABLE mysql.gtid_slave_pos ENGINE=MyISAM;
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SET sql_log_bin=1;
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connection server_1;
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INSERT INTO t1 VALUES (5);
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INSERT INTO t2 VALUES (2);
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SELECT * FROM t1 ORDER BY a;
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a
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4
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5
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SELECT * FROM t2 ORDER BY a;
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a
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1
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2
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include/save_master_gtid.inc
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connection server_2;
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include/sync_with_master_gtid.inc
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SELECT * FROM t1 ORDER BY a;
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a
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2
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4
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5
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SELECT * FROM t2 ORDER BY a;
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a
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1
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2
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*** Verify that mysql.gtid_slave_pos_InnoDB is auto-created ***
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SELECT lower(table_name), engine FROM information_schema.tables
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WHERE table_schema='mysql' AND table_name LIKE 'gtid_slave_pos%'
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ORDER BY table_name;
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lower(table_name) engine
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gtid_slave_pos MyISAM
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gtid_slave_pos_innodb InnoDB
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include/stop_slave.inc
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SET sql_log_bin=0;
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INSERT INTO mysql.gtid_slave_pos SELECT * FROM mysql.gtid_slave_pos_InnoDB;
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DROP TABLE mysql.gtid_slave_pos_InnoDB;
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SET sql_log_bin=1;
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connection server_1;
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INSERT INTO t1 VALUES (6);
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INSERT INTO t2 VALUES (3);
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SELECT * FROM t1 ORDER BY a;
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a
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4
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5
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6
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SELECT * FROM t2 ORDER BY a;
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a
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1
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3
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include/save_master_gtid.inc
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*** Restart server without --gtid-pos-auto-engines ***
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connection server_2;
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include/sync_with_master_gtid.inc
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SELECT * FROM t1 ORDER BY a;
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a
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4
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5
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6
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SELECT * FROM t2 ORDER BY a;
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a
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2
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*** Verify that no mysql.gtid_slave_pos* table is auto-created ***
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SELECT table_name, engine FROM information_schema.tables
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WHERE table_schema='mysql' AND table_name LIKE 'gtid_slave_pos%'
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ORDER BY table_name;
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table_name engine
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gtid_slave_pos MyISAM
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SELECT domain_id, max(seq_no) FROM mysql.gtid_slave_pos GROUP BY domain_id;
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domain_id max(seq_no)
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0 11
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include/stop_slave.inc
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SET GLOBAL gtid_pos_auto_engines="innodb";
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include/start_slave.inc
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connection server_1;
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INSERT INTO t1 VALUES (7);
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INSERT INTO t2 VALUES (4);
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SELECT * FROM t1 ORDER BY a;
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a
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4
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5
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6
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7
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SELECT * FROM t2 ORDER BY a;
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a
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1
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2
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3
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4
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include/save_master_gtid.inc
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connection server_2;
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include/sync_with_master_gtid.inc
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SELECT * FROM t1 ORDER BY a;
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a
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2
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3
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4
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5
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6
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7
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SELECT * FROM t2 ORDER BY a;
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a
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1
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2
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3
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4
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*** Verify that mysql.gtid_slave_pos_InnoDB is auto-created ***
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SELECT lower(table_name), engine FROM information_schema.tables
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WHERE table_schema='mysql' AND table_name LIKE 'gtid_slave_pos%'
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ORDER BY table_name;
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lower(table_name) engine
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gtid_slave_pos MyISAM
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gtid_slave_pos_innodb InnoDB
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SELECT domain_id, max(seq_no) FROM mysql.gtid_slave_pos GROUP BY domain_id;
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domain_id max(seq_no)
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0 13
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connection server_2;
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*** Restart the slave server to prove 'gtid_slave_pos_innodb' autodiscovery ***
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connection server_2;
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SELECT max(seq_no) FROM mysql.gtid_slave_pos_InnoDB into @seq_no;
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connection server_1;
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INSERT INTO t2(a) SELECT 1+MAX(a) FROM t2;
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include/save_master_gtid.inc
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connection server_2;
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include/sync_with_master_gtid.inc
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include/stop_slave.inc
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SET GLOBAL gtid_pos_auto_engines="";
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SET sql_log_bin=0;
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DROP TABLE mysql.gtid_slave_pos_InnoDB;
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SET sql_log_bin=1;
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include/start_slave.inc
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connection server_1;
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DROP TABLE t1, t2;
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include/rpl_end.inc
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