365 lines
13 KiB
Plaintext
365 lines
13 KiB
Plaintext
SET @global_innodb_file_per_table_orig = @@global.innodb_file_per_table;
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SET GLOBAL innodb_file_per_table = on;
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CREATE TABLE t1 (c1 INT PRIMARY KEY, c2 INT NOT NULL, c3 TEXT NOT NULL)
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ENGINE = InnoDB;
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INSERT INTO t1 VALUES (1,1,''), (2,2,''), (3,3,''), (4,4,''), (5,5,'');
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SET GLOBAL innodb_monitor_enable = module_ddl;
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SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE
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subsystem = 'ddl' and name not in
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('ddl_sort_file_alter_table','ddl_log_file_alter_table') and count > 0;
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name count
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SET DEBUG_SYNC = 'RESET';
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SET DEBUG_SYNC = 'write_row_noreplace SIGNAL have_handle WAIT_FOR go_ahead';
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INSERT INTO t1 VALUES(1,2,3);
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# Establish session con1 (user=root)
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SET DEBUG_SYNC = 'now WAIT_FOR have_handle';
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SET lock_wait_timeout = 1;
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ALTER TABLE t1 ROW_FORMAT=REDUNDANT;
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ERROR HY000: Lock wait timeout exceeded; try restarting transaction
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SET DEBUG_SYNC = 'now SIGNAL go_ahead';
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# session default
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ERROR 23000: Duplicate entry '1' for key 'PRIMARY'
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SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE
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subsystem = 'ddl' and name not in
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('ddl_sort_file_alter_table','ddl_log_file_alter_table') and count > 0;
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name count
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# session con1
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SET SESSION DEBUG = '+d,innodb_OOM_prepare_inplace_alter';
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ALTER TABLE t1 ROW_FORMAT=REDUNDANT, ALGORITHM=INPLACE, LOCK=NONE;
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ERROR HY000: Out of memory; check if mysqld or some other process uses all available memory; if not, you may have to use 'ulimit' to allow mysqld to use more memory or you can add more swap space
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SET SESSION DEBUG = '-d,innodb_OOM_prepare_inplace_alter';
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SET SESSION DEBUG = '+d,innodb_OOM_inplace_alter';
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ALTER TABLE t1 ROW_FORMAT=REDUNDANT, ALGORITHM=INPLACE, LOCK=NONE;
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ERROR HY000: Out of memory; check if mysqld or some other process uses all available memory; if not, you may have to use 'ulimit' to allow mysqld to use more memory or you can add more swap space
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SET SESSION DEBUG = '-d,innodb_OOM_inplace_alter';
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ALTER TABLE t1 ROW_FORMAT=REDUNDANT, ALGORITHM=INPLACE, LOCK=NONE;
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# session default
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`c1` int(11) NOT NULL,
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`c2` int(11) NOT NULL,
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`c3` text NOT NULL,
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PRIMARY KEY (`c1`)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci ROW_FORMAT=REDUNDANT
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BEGIN;
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INSERT INTO t1 VALUES(7,4,2);
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# session con1
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SET DEBUG_SYNC = 'row_log_table_apply1_before SIGNAL scanned WAIT_FOR insert_done';
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ALTER TABLE t1 DROP PRIMARY KEY, ADD UNIQUE INDEX(c2);
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ERROR HY000: Lock wait timeout exceeded; try restarting transaction
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# session default
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COMMIT;
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# session con1
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ALTER TABLE t1 DROP PRIMARY KEY, ADD UNIQUE INDEX(c2);
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ERROR 23000: Duplicate entry '4' for key 'c2'
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# session default
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DELETE FROM t1 WHERE c1 = 7;
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# session con1
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ALTER TABLE t1 DROP PRIMARY KEY, ADD UNIQUE INDEX(c2), ROW_FORMAT=COMPACT,
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LOCK = SHARED, ALGORITHM = INPLACE;
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ALTER TABLE t1 ADD UNIQUE INDEX(c2),
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LOCK = EXCLUSIVE, ALGORITHM = INPLACE;
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Warnings:
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Warning 1831 Duplicate index 'c2_2' defined on the table 'test.t1'. This is deprecated and will be disallowed in a future release.
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`c1` int(11) NOT NULL,
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`c2` int(11) NOT NULL,
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`c3` text NOT NULL,
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UNIQUE KEY `c2` (`c2`),
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UNIQUE KEY `c2_2` (`c2`)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci ROW_FORMAT=COMPACT
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ALTER TABLE t1 DROP INDEX c2, ALGORITHM = INPLACE;
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ERROR 0A000: ALGORITHM=INPLACE is not supported. Reason: Dropping a primary key is not allowed without also adding a new primary key. Try ALGORITHM=COPY.
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`c1` int(11) NOT NULL,
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`c2` int(11) NOT NULL,
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`c3` text NOT NULL,
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UNIQUE KEY `c2` (`c2`),
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UNIQUE KEY `c2_2` (`c2`)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci ROW_FORMAT=COMPACT
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ALTER TABLE t1 DROP INDEX c2, ADD PRIMARY KEY(c1);
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# session default
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SET DEBUG_SYNC = 'now WAIT_FOR scanned';
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SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE
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subsystem = 'ddl' and name not in
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('ddl_sort_file_alter_table','ddl_log_file_alter_table') and count > 0;
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name count
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ddl_online_create_index 1
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ddl_pending_alter_table 1
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BEGIN;
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INSERT INTO t1 VALUES(4,7,2);
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SET DEBUG_SYNC = 'now SIGNAL insert_done';
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# session con1
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ERROR 23000: Duplicate entry '4' for key 'PRIMARY'
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# session default
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ROLLBACK;
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# session con1
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`c1` int(11) NOT NULL,
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`c2` int(11) NOT NULL,
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`c3` text NOT NULL,
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UNIQUE KEY `c2` (`c2`),
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UNIQUE KEY `c2_2` (`c2`)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci ROW_FORMAT=COMPACT
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ALTER TABLE t1 DROP PRIMARY KEY, ADD UNIQUE INDEX(c2), ALGORITHM = INPLACE;
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ERROR 42000: Can't DROP 'PRIMARY'; check that column/key exists
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ALTER TABLE t1 DROP INDEX c2, ADD PRIMARY KEY(c1), ALGORITHM = INPLACE;
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SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE
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subsystem = 'ddl' and name not in
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('ddl_sort_file_alter_table','ddl_log_file_alter_table') and count > 0;
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name count
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# session default
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INSERT INTO t1 VALUES(6,3,1);
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ERROR 23000: Duplicate entry '3' for key 'c2_2'
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INSERT INTO t1 VALUES(7,4,2);
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ERROR 23000: Duplicate entry '4' for key 'c2_2'
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DROP INDEX c2_2 ON t1;
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BEGIN;
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INSERT INTO t1 VALUES(7,4,2);
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ROLLBACK;
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# session con1
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KILL QUERY @id;
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ERROR 70100: Query execution was interrupted
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SET DEBUG_SYNC = 'row_log_table_apply1_before SIGNAL rebuilt WAIT_FOR kill_done';
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ALTER TABLE t1 ROW_FORMAT=REDUNDANT;
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# session default
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SET DEBUG_SYNC = 'now WAIT_FOR rebuilt';
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SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE
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subsystem = 'ddl' and name not in
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('ddl_sort_file_alter_table','ddl_log_file_alter_table') and count > 0;
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name count
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ddl_online_create_index 1
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ddl_pending_alter_table 1
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KILL QUERY @id;
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SET DEBUG_SYNC = 'now SIGNAL kill_done';
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# session con1
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ERROR 70100: Query execution was interrupted
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SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE
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subsystem = 'ddl' and name not in
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('ddl_sort_file_alter_table','ddl_log_file_alter_table') and count > 0;
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name count
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# session default
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CHECK TABLE t1;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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INSERT INTO t1 SELECT 5 + c1, c2, c3 FROM t1;
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INSERT INTO t1 SELECT 10 + c1, c2, c3 FROM t1;
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INSERT INTO t1 SELECT 20 + c1, c2, c3 FROM t1;
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INSERT INTO t1 SELECT 40 + c1, c2, c3 FROM t1;
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EXPLAIN SELECT COUNT(*) FROM t1 WHERE c2 > 3;
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id select_type table partitions type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 80 33.33 Using where
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Warnings:
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Note 1003 /* select#1 */ select count(0) AS `COUNT(*)` from `test`.`t1` where (`test`.`t1`.`c2` > 3)
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ANALYZE TABLE t1;
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Table Op Msg_type Msg_text
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test.t1 analyze status OK
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# session con1
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`c1` int(11) NOT NULL,
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`c2` int(11) NOT NULL,
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`c3` text NOT NULL,
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PRIMARY KEY (`c1`)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci ROW_FORMAT=COMPACT
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SET DEBUG_SYNC = 'row_log_table_apply1_before SIGNAL rebuilt2 WAIT_FOR dml2_done';
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SET lock_wait_timeout = 10;
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ALTER TABLE t1 ROW_FORMAT=COMPACT, ALGORITHM = INPLACE;
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# session default
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INSERT INTO t1 SELECT 80 + c1, c2, c3 FROM t1;
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INSERT INTO t1 SELECT 160 + c1, c2, c3 FROM t1;
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UPDATE t1 SET c2 = c2 + 1;
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SET DEBUG_SYNC = 'now WAIT_FOR rebuilt2';
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SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE
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subsystem = 'ddl' and name not in
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('ddl_sort_file_alter_table','ddl_log_file_alter_table') and count > 0;
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name count
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ddl_online_create_index 1
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ddl_pending_alter_table 1
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BEGIN;
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DELETE FROM t1;
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ROLLBACK;
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UPDATE t1 SET c2 = c2 + 1;
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BEGIN;
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UPDATE t1 SET c2 = c2 + 1;
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DELETE FROM t1;
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ROLLBACK;
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BEGIN;
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DELETE FROM t1;
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ROLLBACK;
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UPDATE t1 SET c2 = c2 + 1;
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BEGIN;
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UPDATE t1 SET c2 = c2 + 1;
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DELETE FROM t1;
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ROLLBACK;
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BEGIN;
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DELETE FROM t1;
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ROLLBACK;
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UPDATE t1 SET c2 = c2 + 1;
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BEGIN;
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UPDATE t1 SET c2 = c2 + 1;
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DELETE FROM t1;
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ROLLBACK;
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SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE
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subsystem = 'ddl' and name not in
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('ddl_sort_file_alter_table','ddl_log_file_alter_table') and count > 0;
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name count
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ddl_online_create_index 1
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ddl_pending_alter_table 1
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SET DEBUG_SYNC = 'now SIGNAL dml2_done';
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# session con1
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ERROR HY000: Creating index 'PRIMARY' required more than 'innodb_online_alter_log_max_size' bytes of modification log. Please try again.
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SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE
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subsystem = 'ddl' and name not in
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('ddl_sort_file_alter_table','ddl_log_file_alter_table') and count > 0;
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name count
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SET DEBUG_SYNC = 'row_log_table_apply1_before SIGNAL rebuilt3 WAIT_FOR dml3_done';
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ALTER TABLE t1 ADD PRIMARY KEY(c22f), CHANGE c2 c22f INT;
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ERROR 42000: Multiple primary key defined
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ALTER TABLE t1 DROP PRIMARY KEY, ADD PRIMARY KEY(c22f), CHANGE c2 c22f INT;
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ERROR 23000: Duplicate entry '5' for key 'PRIMARY'
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ALTER TABLE t1 DROP PRIMARY KEY, ADD PRIMARY KEY(c1,c22f,c4(5)),
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CHANGE c2 c22f INT, CHANGE c3 c3 TEXT NULL, CHANGE c1 c1 INT AFTER c22f,
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ADD COLUMN c4 VARCHAR(6) DEFAULT 'Online';
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# session default
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SET DEBUG_SYNC = 'now WAIT_FOR rebuilt3';
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SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE
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subsystem = 'ddl' and name not in
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('ddl_sort_file_alter_table','ddl_log_file_alter_table') and count > 0;
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name count
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ddl_online_create_index 1
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ddl_pending_alter_table 1
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BEGIN;
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INSERT INTO t1 SELECT 320 + c1, c2, c3 FROM t1 WHERE c1 > 240;
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DELETE FROM t1 WHERE c1 > 320;
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ROLLBACK;
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BEGIN;
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UPDATE t1 SET c2 = c2 + 1;
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DELETE FROM t1;
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ROLLBACK;
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SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE
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subsystem = 'ddl' and name not in
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('ddl_sort_file_alter_table','ddl_log_file_alter_table') and count > 0;
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name count
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ddl_online_create_index 1
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ddl_pending_alter_table 1
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SET DEBUG_SYNC = 'now SIGNAL dml3_done';
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# session con1
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SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE
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subsystem = 'ddl' and name not in
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('ddl_sort_file_alter_table','ddl_log_file_alter_table') and count > 0;
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name count
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SELECT COUNT(c22f) FROM t1;
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COUNT(c22f)
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320
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CHECK TABLE t1;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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ALTER TABLE t1 DROP PRIMARY KEY, ADD PRIMARY KEY c3p5(c3(5));
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ERROR 23000: Duplicate entry '' for key 'PRIMARY'
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UPDATE t1 SET c3 = NULL WHERE c3 = '';
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SET lock_wait_timeout = 1;
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ALTER TABLE t1 DROP COLUMN c22f, ADD PRIMARY KEY c3p5(c3(5));
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ERROR 42000: Multiple primary key defined
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ALTER TABLE t1 DROP COLUMN c22f, DROP PRIMARY KEY, ADD PRIMARY KEY c3p5(c3(5)),
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ALGORITHM = INPLACE;
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ERROR 22004: Invalid use of NULL value
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ALTER TABLE t1 MODIFY c3 TEXT NOT NULL;
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ERROR 22004: Invalid use of NULL value
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UPDATE t1 SET c3=CONCAT(c1,REPEAT('foo',c1)) WHERE c3 IS NULL;
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SET DEBUG_SYNC = 'row_log_table_apply1_before SIGNAL c3p5_created0 WAIT_FOR ins_done0';
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ALTER TABLE t1 MODIFY c3 TEXT NOT NULL, DROP COLUMN c22f,
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ADD COLUMN c5 CHAR(5) DEFAULT 'tired' FIRST;
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# session default
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SET DEBUG_SYNC = 'now WAIT_FOR c3p5_created0';
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BEGIN;
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INSERT INTO t1 VALUES(347,33101,'Pikku kakkosen posti','YLETV2');
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INSERT INTO t1 VALUES(33101,347,NULL,'');
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SET DEBUG_SYNC = 'now SIGNAL ins_done0';
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# session con1
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ERROR 22004: Invalid use of NULL value
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# session default
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ROLLBACK;
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# session con1
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ALTER TABLE t1 MODIFY c3 TEXT NOT NULL;
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SET DEBUG_SYNC = 'row_log_table_apply1_before SIGNAL c3p5_created WAIT_FOR ins_done';
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ALTER TABLE t1 DROP PRIMARY KEY, DROP COLUMN c22f,
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ADD COLUMN c6 VARCHAR(1000) DEFAULT
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'I love tracking down hard-to-reproduce bugs.',
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ADD PRIMARY KEY c3p5(c3(5), c6(2));
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# session default
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SET DEBUG_SYNC = 'now WAIT_FOR c3p5_created';
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SET DEBUG_SYNC = 'ib_after_row_insert SIGNAL ins_done WAIT_FOR ddl_timed_out';
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INSERT INTO t1 VALUES(347,33101,NULL,'');
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ERROR 23000: Column 'c3' cannot be null
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INSERT INTO t1 VALUES(347,33101,'Pikku kakkosen posti','');
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# session con1
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ERROR HY000: Lock wait timeout exceeded; try restarting transaction
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SET DEBUG_SYNC = 'now SIGNAL ddl_timed_out';
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SELECT name, count FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE
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subsystem = 'ddl' and name not in
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('ddl_sort_file_alter_table','ddl_log_file_alter_table') and count > 0;
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name count
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# session default
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SELECT COUNT(*) FROM t1;
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COUNT(*)
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321
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ALTER TABLE t1 ROW_FORMAT=REDUNDANT;
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SELECT * FROM t1 LIMIT 10;
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c22f c1 c3 c4
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5 1 1foo Online
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6 2 2foofoo Online
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7 3 3foofoofoo Online
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8 4 4foofoofoofoo Online
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9 5 5foofoofoofoofoo Online
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5 6 6foofoofoofoofoofoo Online
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6 7 7foofoofoofoofoofoofoo Online
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7 8 8foofoofoofoofoofoofoofoo Online
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8 9 9foofoofoofoofoofoofoofoofoo Online
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9 10 10foofoofoofoofoofoofoofoofoofoo Online
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# session con1
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ALTER TABLE t1 DISCARD TABLESPACE;
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# session default
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`c22f` int(11) NOT NULL,
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`c1` int(11) NOT NULL,
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`c3` text NOT NULL,
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`c4` varchar(6) NOT NULL DEFAULT 'Online',
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PRIMARY KEY (`c1`,`c22f`,`c4`(5))
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci ROW_FORMAT=REDUNDANT
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DROP TABLE t1;
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#
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# Bug#18894337 ONLINE ALTER TABLE LOG APPLY FAILS TO SKIP LOCKING
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#
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# session con1
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CREATE TABLE t1 (a SERIAL, c64 VARCHAR(64) UNIQUE) ENGINE=InnoDB;
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INSERT INTO t1 VALUES(0, NULL);
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SET DEBUG='+d,innodb_trx_duplicates';
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SET DEBUG_SYNC='row_log_table_apply1_before SIGNAL t1_ddl WAIT_FOR t1_dml';
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ALTER TABLE t1 ENGINE=InnoDB;
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# session default
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SET DEBUG_SYNC='now WAIT_FOR t1_ddl';
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INSERT INTO t1 VALUES(0, NULL), (0, NULL);
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SET DEBUG_SYNC='now SIGNAL t1_dml';
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# session con1
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# Disconnect session con1
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# session default
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DROP TABLE t1;
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SET DEBUG_SYNC = 'RESET';
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SET DEBUG = '';
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SET GLOBAL innodb_monitor_disable = module_ddl;
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SET GLOBAL DEBUG = '';
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SET GLOBAL innodb_file_per_table = @global_innodb_file_per_table_orig;
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SET GLOBAL innodb_monitor_enable = default;
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SET GLOBAL innodb_monitor_disable = default;
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