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405ac384f5
This assert could be triggered if -1 was inserted into an auto increment column by a statement writing more than one row. Unless explicitly given, an interval of auto increment values is generated when a statement first needs an auto increment value. The triggered assert checks that the auto increment counter is equal to or higher than the lower bound of this interval. Generally, the auto increment counter starts at 1 and is incremented by 1 each time it is used. However, inserting an explicit value into the auto increment column, sets the auto increment counter to this value + 1 if this value is higher than the current value of the auto increment counter. This bug was triggered if the explicit value was -1. Since the value was converted to unsigned before any comparisons were made, it was found to be higher than the current vale of the auto increment counter and the counter was set to -1 + 1. This value was below the reserved interval and caused the assert to be triggered the next time the statement tried to write a row. With the patch for Bug#39828, this bug is no longer repeatable. Now, -1 + 1 is detected as an "overflow" which causes the auto increment counter to be set to ULONGLONG_MAX. This avoids hitting the assert for the next insert and causes a new interval of auto increment values to be generated. This resolves the issue. This patch therefore only contains a regression test and no code changes. Test case added to auto_increment.test.
518 lines
12 KiB
Text
518 lines
12 KiB
Text
drop table if exists t1;
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drop table if exists t2;
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SET SQL_WARNINGS=1;
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create table t1 (a int not null auto_increment,b int, primary key (a)) engine=myisam auto_increment=3;
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insert into t1 values (1,1),(NULL,3),(NULL,4);
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delete from t1 where a=4;
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insert into t1 values (NULL,5),(NULL,6);
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select * from t1;
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a b
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1 1
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3 3
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5 5
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6 6
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delete from t1 where a=6;
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replace t1 values (3,1);
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ALTER TABLE t1 add c int;
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replace t1 values (3,3,3);
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insert into t1 values (NULL,7,7);
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update t1 set a=8,b=b+1,c=c+1 where a=7;
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insert into t1 values (NULL,9,9);
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select * from t1;
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a b c
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1 1 NULL
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3 3 3
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5 5 NULL
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8 8 8
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9 9 9
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drop table t1;
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create table t1 (
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skey tinyint unsigned NOT NULL auto_increment PRIMARY KEY,
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sval char(20)
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);
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insert into t1 values (NULL, "hello");
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insert into t1 values (NULL, "hey");
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select * from t1;
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skey sval
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1 hello
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2 hey
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select _rowid,t1._rowid,skey,sval from t1;
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_rowid _rowid skey sval
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1 1 1 hello
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2 2 2 hey
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drop table t1;
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create table t1 (a char(10) not null, b int not null auto_increment, primary key(a,b));
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insert into t1 values ("a",1),("b",2),("a",2),("c",1);
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insert into t1 values ("a",NULL),("b",NULL),("c",NULL),("e",NULL);
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insert into t1 (a) values ("a"),("b"),("c"),("d");
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insert into t1 (a) values ('k'),('d');
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insert into t1 (a) values ("a");
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insert into t1 values ("d",last_insert_id());
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select * from t1;
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a b
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a 1
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a 2
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a 3
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a 4
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a 5
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b 2
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b 3
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b 4
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c 1
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c 2
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c 3
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d 1
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d 2
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d 5
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e 1
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k 1
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drop table t1;
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create table t1 (ordid int(8) not null auto_increment, ord varchar(50) not null, primary key (ordid), index(ord,ordid));
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insert into t1 (ordid,ord) values (NULL,'sdj'),(NULL,'sdj');
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select * from t1;
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ordid ord
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1 sdj
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2 sdj
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drop table t1;
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create table t1 (ordid int(8) not null auto_increment, ord varchar(50) not null, primary key (ord,ordid));
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insert into t1 values (NULL,'sdj'),(NULL,'sdj'),(NULL,"abc"),(NULL,'abc'),(NULL,'zzz'),(NULL,'sdj'),(NULL,'abc');
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select * from t1;
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ordid ord
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1 abc
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2 abc
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3 abc
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1 sdj
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2 sdj
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3 sdj
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1 zzz
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drop table t1;
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create table t1 (sid char(5), id int(2) NOT NULL auto_increment, key(sid, id));
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create table t2 (sid char(20), id int(2));
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insert into t2 values ('skr',NULL),('skr',NULL),('test',NULL);
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insert into t1 select * from t2;
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select * from t1;
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sid id
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skr 1
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skr 2
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test 1
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drop table t1,t2;
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create table t1 (a int not null primary key auto_increment);
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insert into t1 values (0);
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update t1 set a=0;
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select * from t1;
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a
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0
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check table t1;
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Table Op Msg_type Msg_text
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test.t1 check warning Found row where the auto_increment column has the value 0
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test.t1 check status OK
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drop table t1;
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create table t1 (a int not null auto_increment primary key);
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insert into t1 values (NULL);
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insert into t1 values (-1);
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select last_insert_id();
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last_insert_id()
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1
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insert into t1 values (NULL);
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select * from t1;
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a
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-1
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1
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2
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drop table t1;
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create table t1 (a int not null auto_increment primary key) /*!40102 engine=heap */;
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insert into t1 values (NULL);
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insert into t1 values (-1);
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select last_insert_id();
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last_insert_id()
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1
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insert into t1 values (NULL);
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select * from t1;
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a
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1
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-1
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2
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drop table t1;
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create table t1 (i tinyint unsigned not null auto_increment primary key);
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insert into t1 set i = 254;
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insert into t1 set i = null;
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select last_insert_id();
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last_insert_id()
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255
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explain extended select last_insert_id();
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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Warnings:
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Note 1003 select last_insert_id() AS `last_insert_id()`
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insert into t1 set i = 254;
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ERROR 23000: Duplicate entry '254' for key 'PRIMARY'
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select last_insert_id();
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last_insert_id()
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255
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insert into t1 set i = null;
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ERROR 23000: Duplicate entry '255' for key 'PRIMARY'
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select last_insert_id();
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last_insert_id()
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255
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drop table t1;
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create table t1 (i tinyint unsigned not null auto_increment, key (i));
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insert into t1 set i = 254;
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insert into t1 set i = null;
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select last_insert_id();
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last_insert_id()
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255
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insert into t1 set i = null;
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Warnings:
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Warning 1264 Out of range value for column 'i' at row 1
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select last_insert_id();
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last_insert_id()
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255
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drop table t1;
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create table t1 (i tinyint unsigned not null auto_increment primary key, b int, unique (b));
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insert into t1 values (NULL, 10);
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select last_insert_id();
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last_insert_id()
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1
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insert into t1 values (NULL, 15);
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select last_insert_id();
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last_insert_id()
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2
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insert into t1 values (NULL, 10);
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ERROR 23000: Duplicate entry '10' for key 'b'
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select last_insert_id();
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last_insert_id()
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2
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drop table t1;
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create table t1(a int auto_increment,b int null,primary key(a));
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SET SQL_MODE=NO_AUTO_VALUE_ON_ZERO;
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insert into t1(a,b)values(NULL,1);
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insert into t1(a,b)values(200,2);
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insert into t1(a,b)values(0,3);
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insert into t1(b)values(4);
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insert into t1(b)values(5);
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insert into t1(b)values(6);
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insert into t1(b)values(7);
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select * from t1 order by b;
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a b
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1 1
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200 2
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0 3
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201 4
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202 5
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203 6
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204 7
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alter table t1 modify b mediumint;
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select * from t1 order by b;
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a b
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1 1
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200 2
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0 3
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201 4
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202 5
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203 6
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204 7
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create table t2 (a int);
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insert t2 values (1),(2);
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alter table t2 add b int auto_increment primary key;
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select * from t2;
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a b
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1 1
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2 2
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drop table t2;
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delete from t1 where a=0;
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update t1 set a=0 where b=5;
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select * from t1 order by b;
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a b
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1 1
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200 2
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201 4
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0 5
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203 6
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204 7
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delete from t1 where a=0;
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update t1 set a=NULL where b=6;
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Warnings:
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Warning 1048 Column 'a' cannot be null
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update t1 set a=300 where b=7;
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SET SQL_MODE='';
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insert into t1(a,b)values(NULL,8);
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insert into t1(a,b)values(400,9);
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insert into t1(a,b)values(0,10);
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insert into t1(b)values(11);
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insert into t1(b)values(12);
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insert into t1(b)values(13);
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insert into t1(b)values(14);
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select * from t1 order by b;
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a b
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1 1
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200 2
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201 4
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0 6
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300 7
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301 8
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400 9
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401 10
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402 11
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403 12
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404 13
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405 14
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delete from t1 where a=0;
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update t1 set a=0 where b=12;
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select * from t1 order by b;
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a b
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1 1
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200 2
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201 4
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300 7
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301 8
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400 9
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401 10
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402 11
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0 12
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404 13
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405 14
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delete from t1 where a=0;
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update t1 set a=NULL where b=13;
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Warnings:
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Warning 1048 Column 'a' cannot be null
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update t1 set a=500 where b=14;
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select * from t1 order by b;
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a b
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1 1
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200 2
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201 4
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300 7
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301 8
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400 9
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401 10
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402 11
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0 13
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500 14
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drop table t1;
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create table t1 (a bigint);
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insert into t1 values (1), (2), (3), (NULL), (NULL);
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alter table t1 modify a bigint not null auto_increment primary key;
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select * from t1;
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a
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1
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2
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3
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4
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5
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drop table t1;
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create table t1 (a bigint);
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insert into t1 values (1), (2), (3), (0), (0);
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alter table t1 modify a bigint not null auto_increment primary key;
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select * from t1;
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a
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1
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2
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3
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4
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5
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drop table t1;
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create table t1 (a bigint);
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insert into t1 values (0), (1), (2), (3);
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set sql_mode=NO_AUTO_VALUE_ON_ZERO;
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alter table t1 modify a bigint not null auto_increment primary key;
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set sql_mode= '';
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select * from t1;
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a
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0
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1
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2
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3
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drop table t1;
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create table t1 (a int auto_increment primary key , b int null);
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set sql_mode=NO_AUTO_VALUE_ON_ZERO;
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insert into t1 values (0,1),(1,2),(2,3);
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select * from t1;
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a b
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0 1
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1 2
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2 3
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set sql_mode= '';
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alter table t1 modify b varchar(255);
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insert into t1 values (0,4);
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select * from t1;
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a b
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0 1
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1 2
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2 3
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3 4
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drop table t1;
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CREATE TABLE t1 ( a INT AUTO_INCREMENT, b BLOB, PRIMARY KEY (a,b(10)));
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INSERT INTO t1 (b) VALUES ('aaaa');
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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 (b) VALUES ('');
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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 (b) VALUES ('bbbb');
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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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DROP TABLE IF EXISTS t1;
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CREATE TABLE `t1` (
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t1_name VARCHAR(255) DEFAULT NULL,
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t1_id INT(10) UNSIGNED NOT NULL AUTO_INCREMENT,
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KEY (t1_name),
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PRIMARY KEY (t1_id)
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) AUTO_INCREMENT = 1000;
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INSERT INTO t1 (t1_name) VALUES('MySQL');
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INSERT INTO t1 (t1_name) VALUES('MySQL');
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INSERT INTO t1 (t1_name) VALUES('MySQL');
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SELECT * from t1;
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t1_name t1_id
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MySQL 1000
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MySQL 1001
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MySQL 1002
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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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`t1_name` varchar(255) DEFAULT NULL,
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`t1_id` int(10) unsigned NOT NULL AUTO_INCREMENT,
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PRIMARY KEY (`t1_id`),
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KEY `t1_name` (`t1_name`)
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) ENGINE=MyISAM AUTO_INCREMENT=1003 DEFAULT CHARSET=latin1
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DROP TABLE `t1`;
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create table t1(a int not null auto_increment primary key);
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create table t2(a int not null auto_increment primary key, t1a int);
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insert into t1 values(NULL);
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insert into t2 values (NULL, LAST_INSERT_ID()), (NULL, LAST_INSERT_ID());
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insert into t1 values (NULL);
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insert into t2 values (NULL, LAST_INSERT_ID()), (NULL, LAST_INSERT_ID()),
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(NULL, LAST_INSERT_ID());
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insert into t1 values (NULL);
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insert into t2 values (NULL, LAST_INSERT_ID()), (NULL, LAST_INSERT_ID()),
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(NULL, LAST_INSERT_ID()), (NULL, LAST_INSERT_ID());
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select * from t2;
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a t1a
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1 1
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2 1
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3 2
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4 2
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5 2
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6 3
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7 3
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8 3
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9 3
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drop table t1, t2;
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End of 4.1 tests
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CREATE TABLE t1 ( `a` int(11) NOT NULL auto_increment, `b` int(11) default NULL,PRIMARY KEY (`a`),UNIQUE KEY `b` (`b`));
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insert into t1 (b) values (1);
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replace into t1 (b) values (2), (1), (3);
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select * from t1;
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a b
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3 1
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2 2
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4 3
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truncate table t1;
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insert into t1 (b) values (1);
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replace into t1 (b) values (2);
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replace into t1 (b) values (1);
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replace into t1 (b) values (3);
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select * from t1;
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a b
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3 1
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2 2
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4 3
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drop table t1;
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create table t1 (rowid int not null auto_increment, val int not null,primary
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key (rowid), unique(val));
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replace into t1 (val) values ('1'),('2');
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replace into t1 (val) values ('1'),('2');
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insert into t1 (val) values ('1'),('2');
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ERROR 23000: Duplicate entry '1' for key 'val'
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select * from t1;
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rowid val
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3 1
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4 2
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drop table t1;
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create table t1 (a int not null auto_increment primary key, val int);
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insert into t1 (val) values (1);
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update t1 set a=2 where a=1;
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insert into t1 (val) values (1);
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select * from t1;
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a val
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2 1
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3 1
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drop table t1;
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CREATE TABLE t1 (t1 INT(10) PRIMARY KEY, t2 INT(10));
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INSERT INTO t1 VALUES(0, 0);
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INSERT INTO t1 VALUES(1, 1);
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ALTER TABLE t1 CHANGE t1 t1 INT(10) auto_increment;
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ERROR 23000: ALTER TABLE causes auto_increment resequencing, resulting in duplicate entry '1' for key 'PRIMARY'
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DROP TABLE t1;
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create table t1 (a int primary key auto_increment, b int, c int, d timestamp default current_timestamp, unique(b),unique(c));
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insert into t1 values(null,1,1,now());
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insert into t1 values(null,0,0,null);
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replace into t1 values(null,1,0,null);
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select last_insert_id();
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last_insert_id()
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3
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drop table t1;
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create table t1 (a int primary key auto_increment, b int, c int, e int, d timestamp default current_timestamp, unique(b),unique(c),unique(e));
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insert into t1 values(null,1,1,1,now());
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insert into t1 values(null,0,0,0,null);
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replace into t1 values(null,1,0,2,null);
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select last_insert_id();
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last_insert_id()
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3
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drop table t1;
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#
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# Bug#46616: Assertion `!table->auto_increment_field_not_null' on view
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# manipulations
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#
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CREATE TABLE t1 ( a INT );
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INSERT INTO t1 VALUES (1), (1);
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CREATE TABLE t2 ( a INT AUTO_INCREMENT KEY );
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CREATE TABLE IF NOT EXISTS t2 AS SELECT a FROM t1;
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ERROR 23000: Duplicate entry '1' for key 'PRIMARY'
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UPDATE t2 SET a = 2;
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SELECT a FROM t2;
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a
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2
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DROP TABLE t1, t2;
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#
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# Bug#39828 autoinc wraps around when offset and increment > 1
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#
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CREATE TABLE t1 (c1 BIGINT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) engine=MyISAM;
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INSERT INTO t1 VALUES(1);
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INSERT INTO t1 VALUES (18446744073709551601);
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SET @@SESSION.AUTO_INCREMENT_INCREMENT=10;
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SELECT @@SESSION.AUTO_INCREMENT_OFFSET;
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@@SESSION.AUTO_INCREMENT_OFFSET
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1
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INSERT INTO t1 VALUES (NULL), (NULL), (NULL);
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ERROR 22003: Out of range value for column 't1' at row 167
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SELECT * FROM t1;
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c1
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1
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18446744073709551601
|
|
18446744073709551611
|
|
SET @@SESSION.AUTO_INCREMENT_INCREMENT=default;
|
|
SET @@SESSION.AUTO_INCREMENT_OFFSET=default;
|
|
DROP TABLE t1;
|
|
End of 5.1 tests
|
|
#
|
|
# Bug#50619 assert in handler::update_auto_increment
|
|
#
|
|
CREATE TABLE t1 (pk INT AUTO_INCREMENT, PRIMARY KEY (pk));
|
|
INSERT INTO t1 VALUES (NULL), (-1), (NULL);
|
|
SELECT * FROM t1;
|
|
pk
|
|
-1
|
|
1
|
|
2
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1 (pk BIGINT UNSIGNED AUTO_INCREMENT, PRIMARY KEY (pk));
|
|
INSERT INTO t1 VALUES (NULL), (18446744073709551615-1), (NULL);
|
|
ERROR HY000: Failed to read auto-increment value from storage engine
|
|
SELECT * FROM t1;
|
|
pk
|
|
1
|
|
18446744073709551614
|
|
DROP TABLE t1;
|