mirror of
https://github.com/MariaDB/server.git
synced 2025-01-27 17:33:44 +01:00
180 lines
3.8 KiB
Text
180 lines
3.8 KiB
Text
drop table if exists t1;
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set global transaction isolation level repeatable read;
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CREATE TABLE t1(
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id INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
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k INT,
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c CHAR(1),
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UNIQUE KEY(k)) ENGINE=InnoDB;
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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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`id` int(11) NOT NULL AUTO_INCREMENT,
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`k` int(11) DEFAULT NULL,
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`c` char(1) DEFAULT NULL,
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PRIMARY KEY (`id`),
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UNIQUE KEY `k` (`k`)
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) ENGINE=InnoDB DEFAULT CHARSET=latin1
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#
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# Sequential execution
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#
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INSERT INTO t1(k) VALUES (1), (2), (3) ON DUPLICATE KEY UPDATE c='1';
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affected rows: 3
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info: Records: 3 Duplicates: 0 Warnings: 0
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#
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# 1 duplicate
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#
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INSERT INTO t1(k) VALUES (2), (4), (5) ON DUPLICATE KEY UPDATE c='2';
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affected rows: 4
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info: Records: 3 Duplicates: 1 Warnings: 0
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#
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# 5 rows, consecutive auto_inc values
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#
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SELECT * FROM t1 order by k;
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id k c
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1 1 NULL
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2 2 2
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3 3 NULL
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4 4 NULL
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5 5 NULL
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affected rows: 5
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DROP TABLE t1;
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affected rows: 0
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CREATE TABLE t1(
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id INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
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k INT,
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c CHAR(1),
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UNIQUE KEY(k)) ENGINE=InnoDB;
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affected rows: 0
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#
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# Sequential execution 2
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#
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INSERT INTO t1(k) VALUES (2), (4), (5) ON DUPLICATE KEY UPDATE c='2';
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affected rows: 3
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info: Records: 3 Duplicates: 0 Warnings: 0
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#
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# 1 duplicate
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#
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INSERT INTO t1(k) VALUES (1), (2), (3) ON DUPLICATE KEY UPDATE c='1';
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affected rows: 4
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info: Records: 3 Duplicates: 1 Warnings: 0
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#
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# 5 rows, consecutive auto_inc values
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#
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SELECT * FROM t1 order by k;
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id k c
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4 1 NULL
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1 2 1
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5 3 NULL
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2 4 NULL
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3 5 NULL
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affected rows: 5
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DROP TABLE t1;
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affected rows: 0
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CREATE TABLE t1(
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id INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
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k INT,
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c CHAR(1),
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UNIQUE KEY(k)) ENGINE=InnoDB;
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affected rows: 0
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#
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# Parallel execution
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#
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connect con1, localhost, root;
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connect con2, localhost, root;
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SET DEBUG_SYNC='now WAIT_FOR write_row_done';
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connection con1;
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#
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# Connection 1
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#
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SET DEBUG_SYNC='ha_write_row_end SIGNAL write_row_done WAIT_FOR continue';
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affected rows: 0
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INSERT INTO t1(k) VALUES (1), (2), (3) ON DUPLICATE KEY UPDATE c='1';
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connection con2;
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#
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# Connection 2
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#
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affected rows: 0
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SET DEBUG_SYNC='execute_command_after_close_tables SIGNAL continue';
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affected rows: 0
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INSERT INTO t1(k) VALUES (2), (4), (5) ON DUPLICATE KEY UPDATE c='2';
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ERROR HY000: Lock wait timeout exceeded; try restarting transaction
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connection con1;
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#
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# 2 duplicates
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#
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affected rows: 3
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info: Records: 3 Duplicates: 0 Warnings: 0
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connection default;
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#
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# 3 rows
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#
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SELECT * FROM t1 order by k;
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id k c
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1 1 NULL
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2 2 NULL
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3 3 NULL
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affected rows: 3
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INSERT INTO t1(k) VALUES (2), (4), (5) ON DUPLICATE KEY UPDATE c='2';
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affected rows: 4
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info: Records: 3 Duplicates: 1 Warnings: 0
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SELECT * FROM t1 order by k;
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id k c
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1 1 NULL
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2 2 2
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3 3 NULL
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7 4 NULL
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8 5 NULL
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affected rows: 5
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disconnect con1;
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disconnect con2;
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connection default;
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DROP TABLE t1;
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#
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# Parallel test with read_committed
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#
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set global transaction isolation level read committed;
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drop table if exists t1;
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CREATE TABLE t1(
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id INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
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k INT,
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c CHAR(1),
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UNIQUE KEY(k)) ENGINE=InnoDB;
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connect con1, localhost, root;
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connect con2, localhost, root;
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connection con1;
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#
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# Connection 1
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#
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SET DEBUG_SYNC='ha_write_row_end SIGNAL continue2 WAIT_FOR continue1';
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affected rows: 0
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INSERT INTO t1(k) VALUES (1), (2), (3) ON DUPLICATE KEY UPDATE c='1';
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connection con2;
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#
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# Connection 2
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#
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SET DEBUG_SYNC='ha_write_row_start WAIT_FOR continue2';
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affected rows: 0
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SET DEBUG_SYNC='after_mysql_insert SIGNAL continue1';
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affected rows: 0
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INSERT INTO t1(k) VALUES (2), (4), (5) ON DUPLICATE KEY UPDATE c='2';
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affected rows: 3
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info: Records: 3 Duplicates: 0 Warnings: 0
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connection con1;
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affected rows: 4
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info: Records: 3 Duplicates: 1 Warnings: 0
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SET DEBUG_SYNC='RESET';
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#
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# 5 rows, gap in autoinc values
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#
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SELECT * FROM t1 ORDER BY k;
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id k c
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1 1 NULL
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4 2 1
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2 3 NULL
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5 4 NULL
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6 5 NULL
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disconnect con1;
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disconnect con2;
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connection default;
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DROP TABLE t1;
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set global transaction isolation level repeatable read;
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