mirror of
https://github.com/MariaDB/server.git
synced 2025-10-31 15:50:51 +03:00
548 lines
17 KiB
Plaintext
548 lines
17 KiB
Plaintext
--source include/have_innodb.inc
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# Restarting is not supported when testing the embedded server.
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--source include/not_embedded.inc
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--echo #
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--echo # MDEV-6076 Persistent AUTO_INCREMENT for InnoDB
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--echo #
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--echo # WL#6204 InnoDB persistent max value for autoinc columns
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--echo #
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--echo # Most of this test case is copied from the test innodb.autoinc_persist
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--echo # that was introduced in MySQL 8.0.0. The observable behaviour
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--echo # of MDEV-6076 is equivalent to WL#6204, with the exception that
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--echo # there is less buffering taking place and redo log checkpoints
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--echo # are not being treated specially.
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--echo # Due to less buffering, there is no debug instrumentation testing
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--echo # for MDEV-6076.
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--echo #
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--echo # Pre-create several tables
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SET SQL_MODE='STRICT_ALL_TABLES';
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CREATE TABLE t1(a TINYINT AUTO_INCREMENT KEY) ENGINE = InnoDB;
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INSERT INTO t1 VALUES(0), (0), (0), (0), (-1), (-10), (0),
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(20), (30), (31);
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SELECT * FROM t1;
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CREATE TABLE t2(a TINYINT UNSIGNED AUTO_INCREMENT KEY) ENGINE = InnoDB;
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--error ER_WARN_DATA_OUT_OF_RANGE
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INSERT INTO t2 VALUES(-5);
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INSERT INTO t2 VALUES(0), (0), (0), (0), (8), (10), (0),
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(20), (30), (31);
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SELECT * FROM t2;
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CREATE TABLE t3(a SMALLINT AUTO_INCREMENT KEY) ENGINE = InnoDB;
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INSERT INTO t3 VALUES(0), (0), (0), (0), (-1), (-10), (0),
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(20), (30), (31), (1024), (4096);
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SELECT * FROM t3;
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CREATE TABLE t4(a SMALLINT UNSIGNED AUTO_INCREMENT KEY) ENGINE = InnoDB;
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--error ER_WARN_DATA_OUT_OF_RANGE
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INSERT INTO t4 VALUES(-5);
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INSERT INTO t4 VALUES(0), (0), (0), (0), (8), (10), (0),
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(20), (30), (31), (1024), (4096);
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SELECT * FROM t4;
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CREATE TABLE t5(a MEDIUMINT AUTO_INCREMENT KEY) ENGINE = InnoDB;
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INSERT INTO t5 VALUES(0), (0), (0), (0), (-1), (-10), (0),
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(20), (30), (31), (1000000), (1000005);
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SELECT * FROM t5;
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CREATE TABLE t6(a MEDIUMINT UNSIGNED AUTO_INCREMENT KEY) ENGINE = InnoDB;
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--error ER_WARN_DATA_OUT_OF_RANGE
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INSERT INTO t6 VALUES(-5);
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INSERT INTO t6 VALUES(0), (0), (0), (0), (8), (10), (0),
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(20), (30), (31), (1000000), (1000005);
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SELECT * FROM t6;
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CREATE TABLE t7(a INT AUTO_INCREMENT KEY) ENGINE = InnoDB;
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INSERT INTO t7 VALUES(0), (0), (0), (0), (-1), (-10), (0),
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(20), (30), (31), (100000000), (100000008);
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SELECT * FROM t7;
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CREATE TABLE t8(a INT UNSIGNED AUTO_INCREMENT KEY) ENGINE = InnoDB;
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--error ER_WARN_DATA_OUT_OF_RANGE
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INSERT INTO t8 VALUES(-5);
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INSERT INTO t8 VALUES(0), (0), (0), (0), (8), (10), (0),
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(20), (30), (31), (100000000), (100000008);
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SELECT * FROM t8;
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CREATE TABLE t9(a BIGINT AUTO_INCREMENT KEY) ENGINE = InnoDB;
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INSERT INTO t9 VALUES(0), (0), (0), (0), (-1), (-10), (0),
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(20), (30), (31), (100000000000), (100000000006);
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SELECT * FROM t9;
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CREATE TABLE t10(a BIGINT UNSIGNED AUTO_INCREMENT KEY) ENGINE = InnoDB;
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--error ER_WARN_DATA_OUT_OF_RANGE
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INSERT INTO t10 VALUES(-5);
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INSERT INTO t10 VALUES(0), (0), (0), (0), (8), (10), (0),
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(20), (30), (31), (100000000000), (100000000006);
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SELECT * FROM t10;
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CREATE TABLE t11(a FLOAT AUTO_INCREMENT KEY) ENGINE = InnoDB;
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INSERT INTO t11 VALUES(0), (0), (0), (0), (-1), (-10), (0),
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(20), (30), (31);
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SELECT * FROM t11;
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CREATE TABLE t12(a DOUBLE AUTO_INCREMENT KEY) ENGINE = InnoDB;
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INSERT INTO t12 VALUES(0), (0), (0), (0), (-1), (-10), (0),
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(20), (30), (31);
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SELECT * FROM t12;
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--echo # Scenario 1: Normal restart, to test if the counters are persisted
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--echo # Scenario 2: Delete some values, to test the counters should not be the
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--echo # one which is the largest in current table
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DELETE FROM t1 WHERE a > 30;
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SELECT MAX(a) AS `Expect 30` FROM t1;
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DELETE FROM t3 WHERE a > 2000;
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SELECT MAX(a) AS `Expect 2000` FROM t3;
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DELETE FROM t5 WHERE a > 1000000;
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SELECT MAX(a) AS `Expect 1000000` FROM t5;
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DELETE FROM t7 WHERE a > 100000000;
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SELECT MAX(a) AS `Expect 100000000` FROM t7;
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DELETE FROM t9 WHERE a > 100000000000;
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SELECT MAX(a) AS `Expect 100000000000` FROM t9;
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CREATE TABLE t13(a INT AUTO_INCREMENT PRIMARY KEY) ENGINE = InnoDB,
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AUTO_INCREMENT = 1234;
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--source include/restart_mysqld.inc
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SHOW CREATE TABLE t13;
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INSERT INTO t13 VALUES(0);
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SELECT a AS `Expect 1234` FROM t13;
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DROP TABLE t13;
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INSERT INTO t1 VALUES(0), (0);
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SELECT MAX(a) AS `Expect 33` FROM t1;
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INSERT INTO t3 VALUES(0), (0);
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SELECT MAX(a) AS `Expect 4098` FROM t3;
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INSERT INTO t5 VALUES(0), (0);
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SELECT MAX(a) AS `Expect 1000007` FROM t5;
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INSERT INTO t7 VALUES(0), (0);
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SELECT MAX(a) AS `Expect 100000010` FROM t7;
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INSERT INTO t9 VALUES(0), (0);
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SELECT MAX(a) AS `Expect 100000000008` FROM t9;
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--echo # Scenario 3: Insert some bigger counters, the next counter should start
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--echo # from there
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INSERT INTO t1 VALUES(40), (0);
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INSERT INTO t1 VALUES(42), (0);
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SELECT a AS `Expect 43, 42` FROM t1 ORDER BY a DESC LIMIT 4;
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INSERT INTO t3 VALUES(5000), (0);
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INSERT INTO t3 VALUES(5010), (0);
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SELECT a AS `Expect 5011, 5010` FROM t3 ORDER BY a DESC LIMIT 4;
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INSERT INTO t5 VALUES(1000010), (0);
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INSERT INTO t5 VALUES(1000020), (0);
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SELECT a AS `Expect 1000021, 1000020` FROM t5 ORDER BY a DESC LIMIT 4;
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INSERT INTO t7 VALUES(100000020), (0);
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INSERT INTO t7 VALUES(100000030), (0);
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SELECT a AS `Expect 100000031, 100000030` FROM t7 ORDER BY a DESC LIMIT 4;
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INSERT INTO t9 VALUES(100000000010), (0);
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INSERT INTO t9 VALUES(100000000020), (0);
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SELECT a AS `Expect 100000000021, 100000000020` FROM t9 ORDER BY a DESC LIMIT 4;
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--echo # Scenario 4: Update some values, to test the counters should be updated
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--echo # to the bigger value, but not smaller value.
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INSERT INTO t1 VALUES(50), (55);
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# Updating to bigger value will update the auto-increment counter
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UPDATE t1 SET a = 105 WHERE a = 5;
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# Updating to smaller value will not update the counter
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UPDATE t1 SET a = 100 WHERE a = 55;
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--echo # This should insert 102, 106, 107, and make next counter 109.
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INSERT INTO t1 VALUES(102), (0), (0);
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SELECT a AS `Expect 107, 106` FROM t1 ORDER BY a DESC LIMIT 2;
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DELETE FROM t1 WHERE a > 105;
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INSERT INTO t1 VALUES(0);
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SELECT MAX(a) AS `Expect 109` FROM t1;
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--echo # Test the same things on t3, t5, t7, t9, to test if DDTableBuffer would
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--echo # be updated accordingly
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INSERT INTO t3 VALUES(60), (65);
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# Updating to bigger value will update the auto-increment counter
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UPDATE t3 SET a = 6005 WHERE a = 5;
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# Updating to smaller value will not update the counter
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UPDATE t3 SET a = 6000 WHERE a = 60;
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--echo # This should insert 6002, 6006, 6007, and make next counter 6009.
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INSERT INTO t3 VALUES(6002), (0), (0);
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SELECT a AS `Expect 6007, 6006` FROM t3 ORDER BY a DESC LIMIT 2;
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DELETE FROM t3 WHERE a > 6005;
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INSERT INTO t3 VALUES(0);
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SELECT MAX(a) AS `Expect 6009` FROM t3;
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INSERT INTO t5 VALUES(100), (200);
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# Updating to bigger value will update the auto-increment counter
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UPDATE t5 SET a = 1000105 WHERE a = 5;
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# Updating to smaller value will not update the counter
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UPDATE t5 SET a = 1000100 WHERE a = 100;
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--echo # This should insert 1000102, 1000106, 1000107, and make next counter
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--echo # 1000109.
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INSERT INTO t5 VALUES(1000102), (0), (0);
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SELECT a AS `Expect 1000107, 1000106` FROM t5 ORDER BY a DESC LIMIT 2;
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DELETE FROM t5 WHERE a > 1000105;
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INSERT INTO t5 VALUES(0);
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SELECT MAX(a) AS `Expect 1000109` FROM t5;
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INSERT INTO t7 VALUES(100), (200);
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# Updating to bigger value will update the auto-increment counter
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UPDATE t7 SET a = 100000105 WHERE a = 5;
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# Updating to smaller value will not update the counter
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UPDATE t7 SET a = 100000100 WHERE a = 100;
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--echo # This should insert 100000102, 1100000106, 100000107, and make next
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--echo # counter 100000109.
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INSERT INTO t7 VALUES(100000102), (0), (0);
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SELECT a AS `Expect 100000107, 100000106` FROM t7 ORDER BY a DESC LIMIT 2;
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DELETE FROM t7 WHERE a > 100000105;
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INSERT INTO t7 VALUES(0);
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SELECT MAX(a) AS `Expect 100000109` FROM t7;
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INSERT INTO t9 VALUES(100), (200);
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# Updating to bigger value will update the auto-increment counter
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UPDATE t9 SET a = 100000000105 WHERE a = 5;
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# Updating to smaller value will not update the counter
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UPDATE t9 SET a = 100000000100 WHERE a = 100;
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--echo # This should insert 100000000102, 100000000106, 100000000107, and make
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--echo # next counter 100000000109.
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INSERT INTO t9 VALUES(100000000102), (0), (0);
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SELECT a AS `Expect 100000000107, 100000000106` FROM t9 ORDER BY a DESC LIMIT 2;
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DELETE FROM t9 WHERE a > 100000000105;
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INSERT INTO t9 VALUES(0);
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SELECT MAX(a) AS `Expect 100000000109` FROM t9;
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--source include/restart_mysqld.inc
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INSERT INTO t1 VALUES(0), (0);
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SELECT a AS `Expect 110, 111` FROM t1 ORDER BY a DESC LIMIT 2;
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INSERT INTO t3 VALUES(0), (0);
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SELECT a AS `Expect 6010, 6011` FROM t3 ORDER BY a DESC LIMIT 2;
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INSERT INTO t5 VALUES(0), (0);
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SELECT a AS `Expect 1100111, 1100110` FROM t5 ORDER BY a DESC LIMIT 2;
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INSERT INTO t7 VALUES(0), (0);
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SELECT a AS `Expect 100000111, 100000110` FROM t7 ORDER BY a DESC LIMIT 2;
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INSERT INTO t9 VALUES(0), (0);
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SELECT a AS `Expect 100000000111, 100000000110` FROM t9 ORDER BY a DESC LIMIT 2;
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--echo # Scenario 5: Test kill the server
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INSERT INTO t1 VALUES(125);
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DELETE FROM t1 WHERE a = 125;
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INSERT INTO t3 VALUES(6100);
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DELETE FROM t3 WHERE a = 6100;
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INSERT INTO t5 VALUES(1100200);
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DELETE FROM t5 WHERE a = 1100200;
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INSERT INTO t7 VALUES(100000200);
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DELETE FROM t7 WHERE a = 100000200;
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--echo # Ensure that all changes before the server is killed are persisted.
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set global innodb_flush_log_at_trx_commit=1;
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INSERT INTO t9 VALUES(100000000200);
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DELETE FROM t9 WHERE a = 100000000200;
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--let $shutdown_timeout=0
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--source include/restart_mysqld.inc
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INSERT INTO t1 VALUES(0);
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SELECT a AS `Expect 126` FROM t1 ORDER BY a DESC LIMIT 1;
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INSERT INTO t3 VALUES(0);
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SELECT a AS `Expect 6101` FROM t3 ORDER BY a DESC LIMIT 1;
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INSERT INTO t5 VALUES(0);
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SELECT a AS `Expect 1100201` FROM t5 ORDER BY a DESC LIMIT 1;
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INSERT INTO t7 VALUES(0);
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SELECT a AS `Expect 100000201` FROM t7 ORDER BY a DESC LIMIT 1;
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INSERT INTO t9 VALUES(0);
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SELECT a AS `Expect 100000000201` FROM t9 ORDER BY a DESC LIMIT 1;
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--echo # Scenario 6: Test truncate will reset the counters to 0
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TRUNCATE TABLE t1;
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TRUNCATE TABLE t3;
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TRUNCATE TABLE t5;
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TRUNCATE TABLE t7;
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TRUNCATE TABLE t9;
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INSERT INTO t1 VALUES(0), (0);
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SELECT * FROM t1;
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INSERT INTO t3 VALUES(0), (0);
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SELECT * FROM t3;
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INSERT INTO t5 VALUES(0), (0);
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SELECT * FROM t5;
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INSERT INTO t7 VALUES(0), (0);
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SELECT * FROM t7;
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INSERT INTO t9 VALUES(0), (0);
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SELECT * FROM t9;
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--echo # Ensure that all changes before the server is killed are persisted.
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set global innodb_flush_log_at_trx_commit=1;
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TRUNCATE TABLE t1;
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TRUNCATE TABLE t3;
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TRUNCATE TABLE t5;
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TRUNCATE TABLE t7;
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TRUNCATE TABLE t9;
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--echo # Scenario 7: Test explicit rename table won't change the counter
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RENAME TABLE t9 to t19;
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INSERT INTO t19 VALUES(0), (0);
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SELECT * FROM t19;
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--source include/restart_mysqld.inc
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INSERT INTO t1 VALUES(0), (0);
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SELECT * FROM t1;
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INSERT INTO t3 VALUES(0), (0);
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SELECT * FROM t3;
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INSERT INTO t5 VALUES(0), (0);
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SELECT * FROM t5;
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INSERT INTO t7 VALUES(0), (0);
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SELECT * FROM t7;
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INSERT INTO t19 VALUES(0), (0);
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SELECT * FROM t19;
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DELETE FROM t19 WHERE a = 4;
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RENAME TABLE t19 to t9;
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INSERT INTO t9 VALUES(0), (0);
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SELECT * FROM t9;
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TRUNCATE TABLE t9;
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INSERT INTO t9 VALUES(0), (0);
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SELECT * FROM t9;
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--echo # Scenario 8: Test ALTER TABLE operations
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INSERT INTO t3 VALUES(0), (0), (100), (200), (1000);
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SELECT * FROM t3;
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DELETE FROM t3 WHERE a > 300;
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SELECT MAX(a) AS `Expect 200` FROM t3;
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--echo # This will not change the counter to 150, but to 201, which is the next
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--echo # of current max counter in the table
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ALTER TABLE t3 AUTO_INCREMENT = 150;
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SHOW CREATE TABLE t3;
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INSERT INTO t3 VALUES(0);
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SELECT MAX(a) AS `Expect 201` FROM t3;
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--echo # This will change the counter to 500, which is bigger than any counter
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--echo # in the table
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ALTER TABLE t3 AUTO_INCREMENT = 500;
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SHOW CREATE TABLE t3;
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INSERT INTO t3 VALUES(0);
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SELECT MAX(a) AS `Expect 500` FROM t3;
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TRUNCATE TABLE t3;
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ALTER TABLE t3 AUTO_INCREMENT = 100;
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SHOW CREATE TABLE t3;
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INSERT INTO t3 VALUES(0), (0);
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SELECT * FROM t3;
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INSERT INTO t3 VALUES(150), (180);
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UPDATE t3 SET a = 200 WHERE a = 150;
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INSERT INTO t3 VALUES(220);
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--echo # This still fails to set to 120, but just 221
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ALTER TABLE t3 AUTO_INCREMENT = 120;
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SHOW CREATE TABLE t3;
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INSERT INTO t3 VALUES(0);
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SELECT MAX(a) AS `Expect 221` FROM t3;
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DELETE FROM t3 WHERE a > 120;
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ALTER TABLE t3 AUTO_INCREMENT = 120;
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SHOW CREATE TABLE t3;
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--echo # MDEV-6076: Test adding an AUTO_INCREMENT COLUMN
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CREATE TABLE mdev6076a (b INT) ENGINE=InnoDB;
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INSERT INTO mdev6076a VALUES(2),(1);
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CREATE TABLE mdev6076b (b INT) ENGINE=InnoDB;
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INSERT INTO mdev6076b VALUES(2),(1);
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--error ER_ALTER_OPERATION_NOT_SUPPORTED_REASON
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ALTER TABLE mdev6076a ADD COLUMN a SERIAL FIRST, LOCK=NONE;
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ALTER TABLE mdev6076a ADD COLUMN a SERIAL FIRST, ALGORITHM=INPLACE;
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ALTER TABLE mdev6076b ADD COLUMN a SERIAL FIRST, AUTO_INCREMENT=100,
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ALGORITHM=INPLACE;
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--echo # MDEV-6076: Test root page split and page_create_empty()
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CREATE TABLE mdev6076empty (b SERIAL, pad CHAR(255) NOT NULL DEFAULT '')
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ENGINE=InnoDB;
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BEGIN;
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--echo # Insert records in descending order of AUTO_INCREMENT,
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--echo # causing a page split on the very last insert.
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--echo # Without the fix in btr_page_empty() this would lose the counter value.
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--echo # Without the fix in page_create_empty() the counter value would be lost
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--echo # when ROLLBACK deletes the last row.
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--disable_query_log
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let $i= 55;
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while ($i) {
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eval INSERT INTO mdev6076empty SET b=$i;
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dec $i;
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}
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--enable_query_log
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ROLLBACK;
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--source include/restart_mysqld.inc
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INSERT INTO t3 VALUES(0);
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SELECT MAX(a) AS `Expect 120` FROM t3;
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INSERT INTO mdev6076a SET b=NULL;
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SELECT * FROM mdev6076a;
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INSERT INTO mdev6076b SET b=NULL;
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SELECT * FROM mdev6076b;
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INSERT INTO mdev6076empty SET b=NULL;
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SELECT * FROM mdev6076empty;
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DROP TABLE mdev6076a, mdev6076b, mdev6076empty;
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INSERT INTO t3 VALUES(0), (0), (200), (210);
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--echo # Test the different algorithms in ALTER TABLE
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--let $template = t3
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--let $algorithm = INPLACE
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--let $table = t_inplace
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--source suite/innodb/include/autoinc_persist_alter.inc
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--let $algorithm = COPY
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--let $table = t_copy
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--source suite/innodb/include/autoinc_persist_alter.inc
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--echo # Scenario 9: Test the sql_mode = NO_AUTO_VALUE_ON_ZERO
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CREATE TABLE t30 (a INT NOT NULL AUTO_INCREMENT PRIMARY KEY, b INT, key(b)) ENGINE = InnoDB;
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set SQL_MODE = NO_AUTO_VALUE_ON_ZERO;
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INSERT INTO t30 VALUES(NULL, 1), (200, 2), (0, 3);
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INSERT INTO t30(b) VALUES(4), (5), (6), (7);
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SELECT * FROM t30 ORDER BY b;
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ALTER TABLE t30 MODIFY b MEDIUMINT;
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SELECT * FROM t30 ORDER BY b;
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--echo # Ensure that all changes before the server is killed are persisted.
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set global innodb_flush_log_at_trx_commit=1;
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CREATE TABLE t31 (a INT) ENGINE = InnoDB;
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INSERT INTO t31 VALUES(1), (2);
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ALTER TABLE t31 ADD b INT AUTO_INCREMENT PRIMARY KEY;
|
|
INSERT INTO t31 VALUES(3, 0), (4, NULL), (5, NULL);
|
|
--error ER_DUP_ENTRY
|
|
INSERT INTO t31 VALUES(6, 0);
|
|
SELECT * FROM t31;
|
|
|
|
SET SQL_MODE = 0;
|
|
|
|
--echo # Scenario 10: Rollback would not rollback the counter
|
|
CREATE TABLE t32 (
|
|
a BIGINT NOT NULL PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB;
|
|
|
|
INSERT INTO t32 VALUES(0), (0);
|
|
|
|
--echo # Ensure that all changes before the server is killed are persisted.
|
|
set global innodb_flush_log_at_trx_commit=1;
|
|
|
|
START TRANSACTION;
|
|
INSERT INTO t32 VALUES(0), (0);
|
|
SELECT MAX(a) AS `Expect 4` FROM t32;
|
|
DELETE FROM t32 WHERE a >= 2;
|
|
ROLLBACK;
|
|
|
|
--echo # Scenario 11: Test duplicate primary key/secondary key will not stop
|
|
--echo # increasing the counter
|
|
|
|
CREATE TABLE t33 (
|
|
a BIGINT NOT NULL PRIMARY KEY,
|
|
b BIGINT NOT NULL AUTO_INCREMENT,
|
|
KEY(b)) ENGINE = InnoDB;
|
|
|
|
INSERT INTO t33 VALUES(1, NULL);
|
|
INSERT INTO t33 VALUES(2, NULL);
|
|
--error ER_DUP_ENTRY
|
|
INSERT INTO t33 VALUES(2, NULL);
|
|
|
|
INSERT INTO t33 VALUES(3, NULL);
|
|
SELECT MAX(b) AS `Expect 4` FROM t33;
|
|
|
|
TRUNCATE TABLE t33;
|
|
|
|
INSERT INTO t33 VALUES(1, NULL);
|
|
INSERT INTO t33 VALUES(2, NULL);
|
|
|
|
set global innodb_flush_log_at_trx_commit=1;
|
|
|
|
START TRANSACTION;
|
|
UPDATE t33 SET a = 10 WHERE a = 1;
|
|
--error ER_DUP_ENTRY
|
|
INSERT INTO t33 VALUES(2, NULL);
|
|
COMMIT;
|
|
|
|
--source include/restart_mysqld.inc
|
|
|
|
--echo # This will not insert 0
|
|
INSERT INTO t31(a) VALUES(6), (0);
|
|
SELECT * FROM t31;
|
|
DROP TABLE t31;
|
|
|
|
set SQL_MODE = NO_AUTO_VALUE_ON_ZERO;
|
|
|
|
DELETE FROM t30 WHERE a = 0;
|
|
UPDATE t30 set a = 0 where b = 5;
|
|
SELECT * FROM t30 ORDER BY b;
|
|
DELETE FROM t30 WHERE a = 0;
|
|
|
|
UPDATE t30 SET a = NULL WHERE b = 6;
|
|
UPDATE t30 SET a = 300 WHERE b = 7;
|
|
|
|
SELECT * FROM t30 ORDER BY b;
|
|
|
|
SET SQL_MODE = 0;
|
|
|
|
SELECT MAX(a) AS `Expect 2` FROM t32;
|
|
INSERT INTO t32 VALUES(0), (0);
|
|
SELECT MAX(a) AS `Expect 6` FROM t32;
|
|
|
|
FLUSH TABLES t33 FOR EXPORT;
|
|
let MYSQLD_DATADIR=`select @@datadir`;
|
|
perl;
|
|
do "$ENV{MTR_SUITE_DIR}/include/innodb-util.pl";
|
|
ib_backup_tablespaces("test", "t33");
|
|
EOF
|
|
UNLOCK TABLES;
|
|
DROP TABLE t33;
|
|
CREATE TABLE t33 (
|
|
a BIGINT NOT NULL PRIMARY KEY,
|
|
b BIGINT NOT NULL AUTO_INCREMENT,
|
|
KEY(b)) ENGINE = InnoDB;
|
|
ALTER TABLE t33 DISCARD TABLESPACE;
|
|
perl;
|
|
do "$ENV{MTR_SUITE_DIR}/include/innodb-util.pl";
|
|
ib_discard_tablespaces("test", "t33");
|
|
ib_restore_tablespaces("test", "t33");
|
|
EOF
|
|
ALTER TABLE t33 IMPORT TABLESPACE;
|
|
|
|
INSERT INTO t33 VALUES(3, NULL);
|
|
SELECT MAX(b) AS `Expect 4` FROM t33;
|
|
SELECT * FROM t33;
|
|
|
|
DROP TABLE t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12, t30, t32, t33;
|