mirror of
https://github.com/MariaDB/server.git
synced 2025-02-19 03:45:35 +01:00
160 lines
5.1 KiB
Text
160 lines
5.1 KiB
Text
set default_storage_engine=innodb;
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set @old_dbug=@@global.debug_dbug;
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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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select sleep(3);
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sleep(3)
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0
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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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select sleep(3);
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sleep(3)
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0
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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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select sleep(3);
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sleep(3)
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0
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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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Timeout in wait_innodb_all_purged.inc for INNODB_PURGE_TRX_ID_AGE = 4
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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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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 innodb_purge_stop_now = 1;
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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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connect con1, localhost, root;
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lock table t write;
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connection default;
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set global innodb_purge_run_now=1;
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select variable_value>1 from information_schema.global_status where variable_name='innodb_purge_trx_id_age';
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variable_value>1
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1
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disconnect con1;
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select variable_value>1 from information_schema.global_status where variable_name='innodb_purge_trx_id_age';
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variable_value>1
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0
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set global debug_dbug=@old_dbug;
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drop table t;
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set debug_sync=reset;
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