mirror of
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synced 2025-11-28 17:36:30 +03:00
9608773f75
This essentially reverts commit 4e89ec6692
and only disables InnoDB persistent statistics for tests where it is
desirable. By design, InnoDB persistent statistics will not be updated
except by ANALYZE TABLE or by STATS_AUTO_RECALC.
The internal transactions that update persistent InnoDB statistics
in background tasks (with innodb_stats_auto_recalc=ON) may cause
nondeterministic query plans or interfere with some tests that deal
with other InnoDB internals, such as the purge of transaction history.
212 lines
6.9 KiB
Plaintext
212 lines
6.9 KiB
Plaintext
set default_storage_engine=innodb;
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set @old_dbug=@@global.debug_dbug;
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SET @saved_frequency = @@GLOBAL.innodb_purge_rseg_truncate_frequency;
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SET GLOBAL innodb_purge_rseg_truncate_frequency = 1;
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SET @saved_stats_persistent = @@GLOBAL.innodb_stats_persistent;
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SET GLOBAL innodb_stats_persistent = OFF;
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CREATE TABLE `t` (
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`a` BLOB,
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`b` BLOB,
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`c` BLOB GENERATED ALWAYS AS (CONCAT(a,b)) VIRTUAL,
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`h` VARCHAR(10) DEFAULT NULL,
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`i` int
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) ENGINE=InnoDB;
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INSERT INTO t VALUES (REPEAT('g', 16000), REPEAT('x', 16000), DEFAULT, "kk", 1);
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INSERT INTO t VALUES (REPEAT('a', 16000), REPEAT('b', 16000), DEFAULT, "mm", 2);
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CREATE INDEX idx ON t(c(100));
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SET global debug_dbug="d,ib_purge_virtual_index_callback";
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UPDATE t SET a = REPEAT('m', 16000) WHERE a like "aaa%";
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InnoDB 0 transactions not purged
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SET global debug_dbug=@old_dbug;
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DROP TABLE t;
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CREATE TABLE t (
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a TINYBLOB,
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b TINYBLOB,
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c TINYBLOB GENERATED ALWAYS AS (CONCAT(a,b)) VIRTUAL,
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h VARCHAR(10) DEFAULT NULL,
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i INT
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) ROW_FORMAT=COMPACT ENGINE=InnoDB;
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INSERT INTO t VALUES (REPEAT('g', 100), REPEAT('x', 100), DEFAULT, "kk", 1);
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INSERT INTO t VALUES (REPEAT('a', 100), REPEAT('b', 100), DEFAULT, "mm", 2);
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CREATE INDEX idx ON t(c(100));
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SET global debug_dbug="d,ib_purge_virtual_index_callback";
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UPDATE t SET a = REPEAT('m', 100) WHERE a like "aaa%";
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InnoDB 0 transactions not purged
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SET global debug_dbug=@old_dbug;
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DROP TABLE t;
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CREATE TABLE t1 (
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id INT NOT NULL,
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store_id INT NOT NULL,
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x INT GENERATED ALWAYS AS (id + store_id)
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)
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PARTITION BY RANGE (store_id) (
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PARTITION p0 VALUES LESS THAN (6),
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PARTITION p1 VALUES LESS THAN (11),
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PARTITION p2 VALUES LESS THAN (16),
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PARTITION p3 VALUES LESS THAN (21)
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);
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insert into t1 values(1, 2, default);
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insert into t1 values(3, 4, default);
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insert into t1 values(3, 12, default);
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insert into t1 values(4, 18, default);
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CREATE INDEX idx ON t1(x);
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SET global debug_dbug="d,ib_purge_virtual_index_callback";
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UPDATE t1 SET id = 10 WHERE id = 1;
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InnoDB 0 transactions not purged
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SET global debug_dbug=@old_dbug;
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DROP TABLE t1;
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connect con1,localhost,root,,;
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connection default;
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CREATE TABLE t1 (a INT, b INT);
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INSERT INTO t1(a, b) VALUES (1, 1), (2, 2), (3, 3);
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connection con1;
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# disable purge
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CREATE TABLE t0 (a INT) ENGINE=InnoDB;
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BEGIN;
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SELECT * FROM t0;
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a
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connection default;
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DELETE FROM t1 WHERE a = 1;
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UPDATE t1 SET a = 4, b = 4 WHERE a = 3;
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INSERT INTO t1(a, b) VALUES (5, 5);
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SET DEBUG_SYNC= 'inplace_after_index_build SIGNAL uncommitted WAIT_FOR purged';
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ALTER TABLE t1 ADD COLUMN c INT GENERATED ALWAYS AS(a+b), ADD INDEX idx (c), ALGORITHM=INPLACE, LOCK=NONE;
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ERROR 0A000: LOCK=NONE is not supported. Reason: INPLACE ADD or DROP of virtual columns cannot be combined with other ALTER TABLE actions. Try LOCK=SHARED
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ALTER TABLE t1 ADD COLUMN c INT GENERATED ALWAYS AS(a+b), ADD INDEX idx (c), ALGORITHM=INPLACE, LOCK=SHARED;
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connection con1;
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SET DEBUG_SYNC= 'now WAIT_FOR uncommitted';
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# enable purge
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COMMIT;
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# wait for purge to process the deleted records.
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InnoDB 0 transactions not purged
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SET DEBUG_SYNC= 'now SIGNAL purged';
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connection default;
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/* connection default */ ALTER TABLE t1 ADD COLUMN c INT GENERATED ALWAYS AS(a+b), ADD INDEX idx (c), ALGORITHM=INPLACE, LOCK=SHARED;
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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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`a` int(11) DEFAULT NULL,
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`b` int(11) DEFAULT NULL,
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`c` int(11) GENERATED ALWAYS AS (`a` + `b`) VIRTUAL,
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KEY `idx` (`c`)
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) ENGINE=InnoDB DEFAULT CHARSET=latin1
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SELECT * FROM t1;
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a b c
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2 2 4
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4 4 8
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5 5 10
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DROP TABLE t1;
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CREATE TABLE t1 (a INT, b INT, c INT GENERATED ALWAYS AS(a+b));
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INSERT INTO t1(a, b) VALUES (1, 1), (2, 2), (3, 3), (4, 4);
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connection con1;
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# disable purge
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BEGIN;
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SELECT * FROM t0;
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a
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connection default;
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DELETE FROM t1 WHERE a = 1;
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UPDATE t1 SET a = 2, b = 2 WHERE a = 5;
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INSERT INTO t1(a, b) VALUES (6, 6);
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SET DEBUG_SYNC= 'inplace_after_index_build SIGNAL uncommitted WAIT_FOR purged';
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ALTER TABLE t1 ADD INDEX idx (c), ALGORITHM=INPLACE, LOCK=NONE;
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connection con1;
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SET DEBUG_SYNC= 'now WAIT_FOR uncommitted';
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DELETE FROM t1 WHERE a = 3;
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UPDATE t1 SET a = 7, b = 7 WHERE a = 4;
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INSERT INTO t1(a, b) VALUES (8, 8);
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# enable purge
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COMMIT;
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# wait for purge to process the deleted/updated records.
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InnoDB 2 transactions not purged
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SET DEBUG_SYNC= 'now SIGNAL purged';
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disconnect con1;
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connection default;
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/* connection default */ ALTER TABLE t1 ADD INDEX idx (c), ALGORITHM=INPLACE, LOCK=NONE;
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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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`a` int(11) DEFAULT NULL,
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`b` int(11) DEFAULT NULL,
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`c` int(11) GENERATED ALWAYS AS (`a` + `b`) VIRTUAL,
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KEY `idx` (`c`)
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) ENGINE=InnoDB DEFAULT CHARSET=latin1
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SELECT * FROM t1;
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a b c
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2 2 4
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7 7 14
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6 6 12
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8 8 16
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DROP TABLE t0, t1;
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create table t (a blob, b blob, c blob as (concat(a,b)), h varchar(10), index (c(100)));
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insert t(a,b,h) values (repeat('g', 16000), repeat('x', 16000), "kk");
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insert t(a,b,h) values (repeat('a', 16000), repeat('b', 16000), "mm");
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set global debug_dbug="d,ib_purge_virtual_index_callback";
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connect prevent_purge, localhost, root;
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start transaction with consistent snapshot;
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connection default;
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update t set a = repeat('m', 16000) where a like "aaa%";
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connect lock_table, localhost, root;
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lock table t write;
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connection prevent_purge;
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commit;
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connection default;
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InnoDB 0 transactions not purged
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disconnect lock_table;
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start transaction with consistent snapshot;
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commit;
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InnoDB 0 transactions not purged
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set global debug_dbug=@old_dbug;
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drop table t;
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#
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# MDEV-15165 InnoDB purge for index on virtual column
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# is trying to access an incomplete record
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#
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CREATE TABLE t1(
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u INT PRIMARY KEY, b BLOB, ug INT GENERATED ALWAYS AS (u) VIRTUAL,
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INDEX bug(b(100),ug)
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) ENGINE=InnoDB;
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INSERT INTO t1 (u,b) VALUES(1,REPEAT('a',16384));
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connection prevent_purge;
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start transaction with consistent snapshot;
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connection default;
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DELETE FROM t1;
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SET DEBUG_SYNC='blob_write_middle SIGNAL halfway WAIT_FOR purged';
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INSERT INTO t1 (u,b) VALUES(1,REPEAT('a',16384));
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connection prevent_purge;
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SET DEBUG_SYNC='now WAIT_FOR halfway';
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COMMIT;
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InnoDB 0 transactions not purged
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SET DEBUG_SYNC='now SIGNAL purged';
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connection default;
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DROP TABLE t1;
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CREATE TABLE t1 (y YEAR, vy YEAR AS (y) VIRTUAL UNIQUE, pk INT PRIMARY KEY)
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ENGINE=InnoDB;
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INSERT INTO t1 (pk,y) VALUES (1,2022);
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CREATE TABLE t2(f1 INT NOT NULL, PRIMARY KEY(f1))ENGINE=InnoDB;
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SET GLOBAL debug_dbug = 'd,ib_purge_virtual_index_callback';
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BEGIN;
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INSERT INTO t2(f1) VALUES(1);
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connection prevent_purge;
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SET DEBUG_SYNC=RESET;
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start transaction with consistent snapshot;
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connection default;
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COMMIT;
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connect truncate,localhost,root,,;
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REPLACE INTO t1(pk, y) SELECT pk,y FROM t1;
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TRUNCATE TABLE t1;
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connection prevent_purge;
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COMMIT;
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SET DEBUG_SYNC='now SIGNAL purge_start';
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disconnect prevent_purge;
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connection default;
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SET DEBUG_SYNC='now WAIT_FOR purge_start';
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InnoDB 0 transactions not purged
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SET GLOBAL debug_dbug=@old_dbug;
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connection truncate;
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disconnect truncate;
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connection default;
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DROP TABLE t1, t2;
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set debug_sync=reset;
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SET GLOBAL innodb_purge_rseg_truncate_frequency = @saved_frequency;
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SET GLOBAL innodb_stats_persistent = @saved_stats_persistent;
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