Issue: ------ VALUES doesn't have a type() function and is considered a Item_field. Solution for 5.7: ----------------- Add a new type() function for Item_values_insert. On 8.0 and trunk it was fixed by Mithun's Bug#19601973. Solution for 5.6: ----------------- Additionally Bug#17458914 is backported. This will address the problem of using VALUES() in INSERT ... ON DUPLICATE KEY UPDATE. Create a field object only if it is in the UPDATE clause, else return a NULL item. This will also address the problems mentioned in Bug#14789787 and Bug#16756402. Solution for 5.5: ----------------- As mentioned above Bug#17458914 is backported. Additionally Bug#14786324 is also backported. When VALUES() is detected outside its meaningful place, it should be treated as NULL and is thus replaced with a Field_null object, with the same name as the original field. Fields with type NULL are generally not handled well inside the server (e.g Innodb will not accept them and it is impossible to create them in regular tables). So create a new const NULL item instead.
413 lines
9.7 KiB
Plaintext
413 lines
9.7 KiB
Plaintext
DROP TABLE IF EXISTS t1, t2;
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CREATE TABLE t1 (a INT, b INT, c INT, UNIQUE (A), UNIQUE(B));
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INSERT t1 VALUES (1,2,10), (3,4,20);
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INSERT t1 VALUES (5,6,30) ON DUPLICATE KEY UPDATE c=c+100;
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SELECT * FROM t1;
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a b c
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1 2 10
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3 4 20
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5 6 30
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INSERT t1 VALUES (5,7,40) ON DUPLICATE KEY UPDATE c=c+100;
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SELECT * FROM t1;
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a b c
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1 2 10
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3 4 20
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5 6 130
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INSERT t1 VALUES (8,4,50) ON DUPLICATE KEY UPDATE c=c+1000;
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SELECT * FROM t1;
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a b c
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1 2 10
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3 4 1020
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5 6 130
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INSERT t1 VALUES (1,4,60) ON DUPLICATE KEY UPDATE c=c+10000;
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SELECT * FROM t1;
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a b c
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1 2 10010
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3 4 1020
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5 6 130
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INSERT t1 VALUES (1,9,70) ON DUPLICATE KEY UPDATE c=c+100000, b=4;
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ERROR 23000: Duplicate entry '4' for key 'b'
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SELECT * FROM t1;
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a b c
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1 2 10010
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3 4 1020
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5 6 130
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TRUNCATE TABLE t1;
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INSERT t1 VALUES (1,2,10), (3,4,20);
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INSERT t1 VALUES (5,6,30), (7,4,40), (8,9,60) ON DUPLICATE KEY UPDATE c=c+100;
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SELECT * FROM t1;
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a b c
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1 2 10
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3 4 120
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5 6 30
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8 9 60
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INSERT t1 SET a=5 ON DUPLICATE KEY UPDATE b=0;
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SELECT * FROM t1;
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a b c
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1 2 10
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3 4 120
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5 0 30
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8 9 60
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INSERT t1 VALUES (2,1,11), (7,4,40) ON DUPLICATE KEY UPDATE c=c+VALUES(a);
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SELECT *, VALUES(a) FROM t1;
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a b c VALUES(a)
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1 2 10 NULL
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3 4 127 NULL
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5 0 30 NULL
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8 9 60 NULL
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2 1 11 NULL
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explain extended SELECT *, VALUES(a) FROM t1;
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE t1 ALL NULL NULL NULL NULL 5 100.00
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Warnings:
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Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`c` AS `c`,values(`test`.`t1`.`a`) AS `VALUES(a)` from `test`.`t1`
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explain extended select * from t1 where values(a);
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE t1 ALL NULL NULL NULL NULL 5 100.00 Using where
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Warnings:
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Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`c` AS `c` from `test`.`t1` where values(`test`.`t1`.`a`)
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DROP TABLE t1;
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create table t1(a int primary key, b int);
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insert into t1 values(1,1),(2,2),(3,3),(4,4),(5,5);
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select * from t1;
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a b
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1 1
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2 2
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3 3
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4 4
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5 5
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insert into t1 values(4,14),(5,15),(6,16),(7,17),(8,18)
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on duplicate key update b=b+10;
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affected rows: 7
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info: Records: 5 Duplicates: 2 Warnings: 0
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select * from t1;
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a b
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1 1
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2 2
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3 3
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4 14
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5 15
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6 16
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7 17
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8 18
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replace into t1 values(5,25),(6,26),(7,27),(8,28),(9,29);
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affected rows: 9
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info: Records: 5 Duplicates: 4 Warnings: 0
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select * from t1;
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a b
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1 1
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2 2
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3 3
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4 14
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5 25
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6 26
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7 27
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8 28
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9 29
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drop table t1;
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CREATE TABLE t1 (a INT, b INT, c INT, UNIQUE (A), UNIQUE(B));
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INSERT t1 VALUES (1,2,10), (3,4,20);
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INSERT t1 SELECT 5,6,30 FROM DUAL ON DUPLICATE KEY UPDATE c=c+100;
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SELECT * FROM t1;
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a b c
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1 2 10
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3 4 20
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5 6 30
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INSERT t1 SELECT 5,7,40 FROM DUAL ON DUPLICATE KEY UPDATE c=c+100;
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SELECT * FROM t1;
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a b c
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1 2 10
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3 4 20
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5 6 130
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INSERT t1 SELECT 8,4,50 FROM DUAL ON DUPLICATE KEY UPDATE c=c+1000;
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SELECT * FROM t1;
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a b c
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1 2 10
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3 4 1020
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5 6 130
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INSERT t1 SELECT 1,4,60 FROM DUAL ON DUPLICATE KEY UPDATE c=c+10000;
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SELECT * FROM t1;
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a b c
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1 2 10010
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3 4 1020
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5 6 130
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INSERT t1 SELECT 1,9,70 FROM DUAL ON DUPLICATE KEY UPDATE c=c+100000, b=4;
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ERROR 23000: Duplicate entry '4' for key 'b'
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SELECT * FROM t1;
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a b c
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1 2 10010
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3 4 1020
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5 6 130
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TRUNCATE TABLE t1;
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INSERT t1 VALUES (1,2,10), (3,4,20);
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CREATE TABLE t2 (a INT, b INT, c INT, d INT);
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INSERT t2 VALUES (5,6,30,1), (7,4,40,1), (8,9,60,1);
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INSERT t2 VALUES (2,1,11,2), (7,4,40,2);
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INSERT t1 SELECT a,b,c FROM t2 WHERE d=1 ON DUPLICATE KEY UPDATE c=t1.c+100;
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SELECT * FROM t1;
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a b c
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1 2 10
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3 4 120
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5 6 30
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8 9 60
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INSERT t1 SET a=5 ON DUPLICATE KEY UPDATE b=0;
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SELECT * FROM t1;
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a b c
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1 2 10
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3 4 120
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5 0 30
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8 9 60
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INSERT t1 SELECT a,b,c FROM t2 WHERE d=2 ON DUPLICATE KEY UPDATE c=c+VALUES(a);
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ERROR 23000: Column 'c' in field list is ambiguous
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INSERT t1 SELECT a,b,c FROM t2 WHERE d=2 ON DUPLICATE KEY UPDATE c=t1.c+VALUES(t1.a);
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SELECT *, VALUES(a) FROM t1;
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a b c VALUES(a)
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1 2 10 NULL
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3 4 127 NULL
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5 0 30 NULL
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8 9 60 NULL
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2 1 11 NULL
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DROP TABLE t1;
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DROP TABLE t2;
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create table t1 (a int not null unique) engine=myisam;
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insert into t1 values (1),(2);
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insert ignore into t1 select 1 on duplicate key update a=2;
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Warnings:
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Warning 1062 Duplicate entry '2' for key 'a'
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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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insert ignore into t1 select a from t1 as t2 on duplicate key update a=t1.a+1 ;
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Warnings:
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Warning 1062 Duplicate entry '2' for key 'a'
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select * from t1;
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a
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1
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3
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insert into t1 select 1 on duplicate key update a=2;
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select * from t1;
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a
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2
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3
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insert into t1 select a from t1 on duplicate key update a=a+1 ;
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ERROR 23000: Column 'a' in field list is ambiguous
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insert ignore into t1 select a from t1 on duplicate key update a=t1.a+1 ;
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ERROR 23000: Column 't1.a' in field list is ambiguous
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drop table t1;
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CREATE TABLE t1 (
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a BIGINT(20) NOT NULL DEFAULT 0,
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PRIMARY KEY (a)
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) ENGINE=MyISAM;
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INSERT INTO t1 ( a ) SELECT 0 ON DUPLICATE KEY UPDATE a = a + VALUES (a) ;
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DROP TABLE t1;
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CREATE TABLE t1
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(
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a BIGINT UNSIGNED,
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b BIGINT UNSIGNED,
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PRIMARY KEY (a)
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);
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INSERT INTO t1 VALUES (45, 1) ON DUPLICATE KEY UPDATE b =
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IF(VALUES(b) > t1.b, VALUES(b), t1.b);
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SELECT * FROM t1;
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a b
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45 1
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INSERT INTO t1 VALUES (45, 2) ON DUPLICATE KEY UPDATE b =
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IF(VALUES(b) > t1.b, VALUES(b), t1.b);
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SELECT * FROM t1;
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a b
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45 2
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INSERT INTO t1 VALUES (45, 1) ON DUPLICATE KEY UPDATE b =
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IF(VALUES(b) > t1.b, VALUES(b), t1.b);
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SELECT * FROM t1;
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a b
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45 2
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DROP TABLE t1;
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CREATE TABLE t1 (i INT PRIMARY KEY, j INT);
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INSERT INTO t1 SELECT 1, j;
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ERROR 42S22: Unknown column 'j' in 'field list'
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DROP TABLE t1;
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CREATE TABLE t1 (i INT PRIMARY KEY, j INT);
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CREATE TABLE t2 (a INT, b INT);
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CREATE TABLE t3 (a INT, c INT);
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INSERT INTO t1 SELECT 1, a FROM t2 NATURAL JOIN t3
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ON DUPLICATE KEY UPDATE j= a;
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DROP TABLE t1,t2,t3;
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CREATE TABLE t1 (i INT PRIMARY KEY, j INT);
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CREATE TABLE t2 (a INT);
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INSERT INTO t1 VALUES (1, 1);
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INSERT INTO t2 VALUES (1), (3);
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INSERT INTO t1 SELECT 1, COUNT(*) FROM t2 ON DUPLICATE KEY UPDATE j= a;
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ERROR 42S22: Unknown column 'a' in 'field list'
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DROP TABLE t1,t2;
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SET SQL_MODE = 'TRADITIONAL';
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CREATE TABLE t1 (a INT PRIMARY KEY, b INT NOT NULL);
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INSERT INTO t1 (a) VALUES (1);
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ERROR HY000: Field 'b' doesn't have a default value
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INSERT INTO t1 (a) VALUES (1) ON DUPLICATE KEY UPDATE a = b;
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ERROR HY000: Field 'b' doesn't have a default value
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INSERT INTO t1 (a) VALUES (1) ON DUPLICATE KEY UPDATE b = b;
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ERROR HY000: Field 'b' doesn't have a default value
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SELECT * FROM t1;
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a b
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DROP TABLE t1;
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CREATE TABLE t1 (f1 INT AUTO_INCREMENT PRIMARY KEY,
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f2 VARCHAR(5) NOT NULL UNIQUE);
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INSERT t1 (f2) VALUES ('test') ON DUPLICATE KEY UPDATE f1 = LAST_INSERT_ID(f1);
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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 t1 (f2) VALUES ('test') ON DUPLICATE KEY UPDATE f1 = LAST_INSERT_ID(f1);
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SELECT LAST_INSERT_ID();
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LAST_INSERT_ID()
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1
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DROP TABLE t1;
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SET SQL_MODE='NO_AUTO_VALUE_ON_ZERO';
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CREATE TABLE `t1` (
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`id` int(11) PRIMARY KEY auto_increment,
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`f1` varchar(10) NOT NULL UNIQUE
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);
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INSERT IGNORE INTO t1 (f1) VALUES ("test1")
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ON DUPLICATE KEY UPDATE id=LAST_INSERT_ID(id);
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INSERT IGNORE INTO t1 (f1) VALUES ("test1")
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ON DUPLICATE KEY UPDATE id=LAST_INSERT_ID(id);
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SELECT LAST_INSERT_ID();
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LAST_INSERT_ID()
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1
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SELECT * FROM t1;
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id f1
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1 test1
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INSERT IGNORE INTO t1 (f1) VALUES ("test2")
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ON DUPLICATE KEY UPDATE id=LAST_INSERT_ID(id);
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SELECT * FROM t1;
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id f1
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1 test1
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2 test2
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INSERT IGNORE INTO t1 (f1) VALUES ("test2")
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ON DUPLICATE KEY UPDATE id=LAST_INSERT_ID(id);
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SELECT LAST_INSERT_ID();
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LAST_INSERT_ID()
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2
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SELECT * FROM t1;
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id f1
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1 test1
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2 test2
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INSERT IGNORE INTO t1 (f1) VALUES ("test3")
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ON DUPLICATE KEY UPDATE id=LAST_INSERT_ID(id);
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SELECT LAST_INSERT_ID();
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LAST_INSERT_ID()
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3
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SELECT * FROM t1;
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id f1
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1 test1
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2 test2
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3 test3
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DROP TABLE t1;
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CREATE TABLE `t1` (
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`id` int(11) PRIMARY KEY auto_increment,
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`f1` varchar(10) NOT NULL UNIQUE
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);
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INSERT IGNORE INTO t1 (f1) VALUES ("test1")
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ON DUPLICATE KEY UPDATE id=LAST_INSERT_ID(id);
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SELECT LAST_INSERT_ID();
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LAST_INSERT_ID()
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1
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SELECT * FROM t1;
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id f1
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1 test1
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INSERT IGNORE INTO t1 (f1) VALUES ("test1"),("test4")
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ON DUPLICATE KEY UPDATE id=LAST_INSERT_ID(id);
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SELECT LAST_INSERT_ID();
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LAST_INSERT_ID()
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2
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SELECT * FROM t1;
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id f1
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1 test1
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2 test4
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DROP TABLE t1;
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CREATE TABLE `t1` (
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`id` int(11) PRIMARY KEY auto_increment,
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`f1` varchar(10) NOT NULL UNIQUE,
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tim1 timestamp default '2003-01-01 00:00:00' on update current_timestamp
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);
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INSERT INTO t1 (f1) VALUES ("test1");
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SELECT id, f1 FROM t1;
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id f1
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1 test1
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REPLACE INTO t1 VALUES (0,"test1",null);
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SELECT id, f1 FROM t1;
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id f1
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0 test1
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DROP TABLE t1;
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SET SQL_MODE='';
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CREATE TABLE t1 (
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id INT AUTO_INCREMENT PRIMARY KEY,
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c1 CHAR(1) UNIQUE KEY,
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cnt INT DEFAULT 1
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);
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INSERT INTO t1 (c1) VALUES ('A'), ('B'), ('C');
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SELECT * FROM t1;
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id c1 cnt
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1 A 1
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2 B 1
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3 C 1
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INSERT INTO t1 (c1) VALUES ('A'), ('X'), ('Y'), ('Z')
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ON DUPLICATE KEY UPDATE cnt=cnt+1;
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SELECT * FROM t1;
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id c1 cnt
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1 A 2
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2 B 1
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3 C 1
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4 X 1
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5 Y 1
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6 Z 1
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DROP TABLE t1;
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CREATE TABLE t1 (
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id INT AUTO_INCREMENT PRIMARY KEY,
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c1 INT NOT NULL,
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cnt INT DEFAULT 1
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);
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INSERT INTO t1 (id,c1) VALUES (1,10);
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SELECT * FROM t1;
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id c1 cnt
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1 10 1
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CREATE TABLE t2 (id INT, c1 INT);
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INSERT INTO t2 VALUES (1,NULL), (2,2);
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INSERT INTO t1 (id,c1) SELECT 1,NULL
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ON DUPLICATE KEY UPDATE c1=NULL;
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ERROR 23000: Column 'c1' cannot be null
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SELECT * FROM t1;
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id c1 cnt
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1 10 1
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INSERT IGNORE INTO t1 (id,c1) SELECT 1,NULL
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ON DUPLICATE KEY UPDATE c1=NULL, cnt=cnt+1;
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Warnings:
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Warning 1048 Column 'c1' cannot be null
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SELECT * FROM t1;
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id c1 cnt
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1 0 2
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INSERT IGNORE INTO t1 (id,c1) SELECT * FROM t2
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ON DUPLICATE KEY UPDATE c1=NULL, cnt=cnt+1;
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Warnings:
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Warning 1048 Column 'c1' cannot be null
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SELECT * FROM t1;
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id c1 cnt
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1 0 3
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2 2 1
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DROP TABLE t1;
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DROP TABLE t2;
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create table t1(f1 int primary key,
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f2 timestamp NOT NULL default CURRENT_TIMESTAMP on update CURRENT_TIMESTAMP);
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insert into t1(f1) values(1);
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select @stamp1:=f2 from t1;
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@stamp1:=f2
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#
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insert into t1(f1) values(1) on duplicate key update f1=1;
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select @stamp2:=f2 from t1;
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@stamp2:=f2
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#
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select if( @stamp1 = @stamp2, "correct", "wrong");
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if( @stamp1 = @stamp2, "correct", "wrong")
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correct
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drop table t1;
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