mirror of
https://github.com/MariaDB/server.git
synced 2025-01-16 12:02:42 +01:00
414 lines
9.7 KiB
Text
414 lines
9.7 KiB
Text
DROP TABLE IF EXISTS t1, t2;
|
|
CREATE TABLE t1 (a INT, b INT, c INT, UNIQUE (A), UNIQUE(B));
|
|
INSERT t1 VALUES (1,2,10), (3,4,20);
|
|
INSERT t1 VALUES (5,6,30) ON DUPLICATE KEY UPDATE c=c+100;
|
|
SELECT * FROM t1;
|
|
a b c
|
|
1 2 10
|
|
3 4 20
|
|
5 6 30
|
|
INSERT t1 VALUES (5,7,40) ON DUPLICATE KEY UPDATE c=c+100;
|
|
SELECT * FROM t1;
|
|
a b c
|
|
1 2 10
|
|
3 4 20
|
|
5 6 130
|
|
INSERT t1 VALUES (8,4,50) ON DUPLICATE KEY UPDATE c=c+1000;
|
|
SELECT * FROM t1;
|
|
a b c
|
|
1 2 10
|
|
3 4 1020
|
|
5 6 130
|
|
INSERT t1 VALUES (1,4,60) ON DUPLICATE KEY UPDATE c=c+10000;
|
|
SELECT * FROM t1;
|
|
a b c
|
|
1 2 10010
|
|
3 4 1020
|
|
5 6 130
|
|
INSERT t1 VALUES (1,9,70) ON DUPLICATE KEY UPDATE c=c+100000, b=4;
|
|
ERROR 23000: Duplicate entry '4' for key 'b'
|
|
SELECT * FROM t1;
|
|
a b c
|
|
1 2 10010
|
|
3 4 1020
|
|
5 6 130
|
|
TRUNCATE TABLE t1;
|
|
INSERT t1 VALUES (1,2,10), (3,4,20);
|
|
INSERT t1 VALUES (5,6,30), (7,4,40), (8,9,60) ON DUPLICATE KEY UPDATE c=c+100;
|
|
SELECT * FROM t1;
|
|
a b c
|
|
1 2 10
|
|
3 4 120
|
|
5 6 30
|
|
8 9 60
|
|
INSERT t1 SET a=5 ON DUPLICATE KEY UPDATE b=0;
|
|
SELECT * FROM t1;
|
|
a b c
|
|
1 2 10
|
|
3 4 120
|
|
5 0 30
|
|
8 9 60
|
|
INSERT t1 VALUES (2,1,11), (7,4,40) ON DUPLICATE KEY UPDATE c=c+VALUES(a);
|
|
SELECT *, VALUE(a) FROM t1;
|
|
a b c VALUE(a)
|
|
1 2 10 NULL
|
|
3 4 127 NULL
|
|
5 0 30 NULL
|
|
8 9 60 NULL
|
|
2 1 11 NULL
|
|
explain extended SELECT *, VALUE(a) FROM t1;
|
|
id select_type table type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 ALL NULL NULL NULL NULL 5 100.00
|
|
Warnings:
|
|
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`c` AS `c`,value(`test`.`t1`.`a`) AS `VALUE(a)` from `test`.`t1`
|
|
explain extended select * from t1 where value(a);
|
|
id select_type table type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 ALL NULL NULL NULL NULL 5 100.00 Using where
|
|
Warnings:
|
|
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`c` AS `c` from `test`.`t1` where value(`test`.`t1`.`a`)
|
|
DROP TABLE t1;
|
|
create table t1(a int primary key, b int);
|
|
insert into t1 values(1,1),(2,2),(3,3),(4,4),(5,5);
|
|
select * from t1;
|
|
a b
|
|
1 1
|
|
2 2
|
|
3 3
|
|
4 4
|
|
5 5
|
|
insert into t1 values(4,14),(5,15),(6,16),(7,17),(8,18)
|
|
on duplicate key update b=b+10;
|
|
affected rows: 7
|
|
info: Records: 5 Duplicates: 2 Warnings: 0
|
|
select * from t1;
|
|
a b
|
|
1 1
|
|
2 2
|
|
3 3
|
|
4 14
|
|
5 15
|
|
6 16
|
|
7 17
|
|
8 18
|
|
replace into t1 values(5,25),(6,26),(7,27),(8,28),(9,29);
|
|
affected rows: 9
|
|
info: Records: 5 Duplicates: 4 Warnings: 0
|
|
select * from t1;
|
|
a b
|
|
1 1
|
|
2 2
|
|
3 3
|
|
4 14
|
|
5 25
|
|
6 26
|
|
7 27
|
|
8 28
|
|
9 29
|
|
drop table t1;
|
|
CREATE TABLE t1 (a INT, b INT, c INT, UNIQUE (A), UNIQUE(B));
|
|
INSERT t1 VALUES (1,2,10), (3,4,20);
|
|
INSERT t1 SELECT 5,6,30 FROM DUAL ON DUPLICATE KEY UPDATE c=c+100;
|
|
SELECT * FROM t1;
|
|
a b c
|
|
1 2 10
|
|
3 4 20
|
|
5 6 30
|
|
INSERT t1 SELECT 5,7,40 FROM DUAL ON DUPLICATE KEY UPDATE c=c+100;
|
|
SELECT * FROM t1;
|
|
a b c
|
|
1 2 10
|
|
3 4 20
|
|
5 6 130
|
|
INSERT t1 SELECT 8,4,50 FROM DUAL ON DUPLICATE KEY UPDATE c=c+1000;
|
|
SELECT * FROM t1;
|
|
a b c
|
|
1 2 10
|
|
3 4 1020
|
|
5 6 130
|
|
INSERT t1 SELECT 1,4,60 FROM DUAL ON DUPLICATE KEY UPDATE c=c+10000;
|
|
SELECT * FROM t1;
|
|
a b c
|
|
1 2 10010
|
|
3 4 1020
|
|
5 6 130
|
|
INSERT t1 SELECT 1,9,70 FROM DUAL ON DUPLICATE KEY UPDATE c=c+100000, b=4;
|
|
ERROR 23000: Duplicate entry '4' for key 'b'
|
|
SELECT * FROM t1;
|
|
a b c
|
|
1 2 10010
|
|
3 4 1020
|
|
5 6 130
|
|
TRUNCATE TABLE t1;
|
|
INSERT t1 VALUES (1,2,10), (3,4,20);
|
|
CREATE TABLE t2 (a INT, b INT, c INT, d INT);
|
|
INSERT t2 VALUES (5,6,30,1), (7,4,40,1), (8,9,60,1);
|
|
INSERT t2 VALUES (2,1,11,2), (7,4,40,2);
|
|
INSERT t1 SELECT a,b,c FROM t2 WHERE d=1 ON DUPLICATE KEY UPDATE c=t1.c+100;
|
|
SELECT * FROM t1;
|
|
a b c
|
|
1 2 10
|
|
3 4 120
|
|
5 6 30
|
|
8 9 60
|
|
INSERT t1 SET a=5 ON DUPLICATE KEY UPDATE b=0;
|
|
SELECT * FROM t1;
|
|
a b c
|
|
1 2 10
|
|
3 4 120
|
|
5 0 30
|
|
8 9 60
|
|
INSERT t1 SELECT a,b,c FROM t2 WHERE d=2 ON DUPLICATE KEY UPDATE c=c+VALUES(a);
|
|
ERROR 23000: Column 'c' in field list is ambiguous
|
|
INSERT t1 SELECT a,b,c FROM t2 WHERE d=2 ON DUPLICATE KEY UPDATE c=t1.c+VALUES(t1.a);
|
|
SELECT *, VALUE(a) FROM t1;
|
|
a b c VALUE(a)
|
|
1 2 10 NULL
|
|
3 4 127 NULL
|
|
5 0 30 NULL
|
|
8 9 60 NULL
|
|
2 1 11 NULL
|
|
DROP TABLE t1;
|
|
DROP TABLE t2;
|
|
create table t1 (a int not null unique) engine=myisam;
|
|
insert into t1 values (1),(2);
|
|
insert ignore into t1 select 1 on duplicate key update a=2;
|
|
Warnings:
|
|
Warning 1062 Duplicate entry '2' for key 'a'
|
|
select * from t1;
|
|
a
|
|
1
|
|
2
|
|
insert ignore into t1 select a from t1 as t2 on duplicate key update a=t1.a+1 ;
|
|
Warnings:
|
|
Warning 1062 Duplicate entry '2' for key 'a'
|
|
select * from t1;
|
|
a
|
|
1
|
|
3
|
|
insert into t1 select 1 on duplicate key update a=2;
|
|
select * from t1;
|
|
a
|
|
2
|
|
3
|
|
insert into t1 select a from t1 on duplicate key update a=a+1 ;
|
|
ERROR 23000: Column 'a' in field list is ambiguous
|
|
insert ignore into t1 select a from t1 on duplicate key update a=t1.a+1 ;
|
|
ERROR 23000: Column 't1.a' in field list is ambiguous
|
|
drop table t1;
|
|
CREATE TABLE t1 (
|
|
a BIGINT(20) NOT NULL DEFAULT 0,
|
|
PRIMARY KEY (a)
|
|
) ENGINE=MyISAM;
|
|
INSERT INTO t1 ( a ) SELECT 0 ON DUPLICATE KEY UPDATE a = a + VALUES (a) ;
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1
|
|
(
|
|
a BIGINT UNSIGNED,
|
|
b BIGINT UNSIGNED,
|
|
PRIMARY KEY (a)
|
|
);
|
|
INSERT INTO t1 VALUES (45, 1) ON DUPLICATE KEY UPDATE b =
|
|
IF(VALUES(b) > t1.b, VALUES(b), t1.b);
|
|
SELECT * FROM t1;
|
|
a b
|
|
45 1
|
|
INSERT INTO t1 VALUES (45, 2) ON DUPLICATE KEY UPDATE b =
|
|
IF(VALUES(b) > t1.b, VALUES(b), t1.b);
|
|
SELECT * FROM t1;
|
|
a b
|
|
45 2
|
|
INSERT INTO t1 VALUES (45, 1) ON DUPLICATE KEY UPDATE b =
|
|
IF(VALUES(b) > t1.b, VALUES(b), t1.b);
|
|
SELECT * FROM t1;
|
|
a b
|
|
45 2
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1 (i INT PRIMARY KEY, j INT);
|
|
INSERT INTO t1 SELECT 1, j;
|
|
ERROR 42S22: Unknown column 'j' in 'field list'
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1 (i INT PRIMARY KEY, j INT);
|
|
CREATE TABLE t2 (a INT, b INT);
|
|
CREATE TABLE t3 (a INT, c INT);
|
|
INSERT INTO t1 SELECT 1, a FROM t2 NATURAL JOIN t3
|
|
ON DUPLICATE KEY UPDATE j= a;
|
|
DROP TABLE t1,t2,t3;
|
|
CREATE TABLE t1 (i INT PRIMARY KEY, j INT);
|
|
CREATE TABLE t2 (a INT);
|
|
INSERT INTO t1 VALUES (1, 1);
|
|
INSERT INTO t2 VALUES (1), (3);
|
|
INSERT INTO t1 SELECT 1, COUNT(*) FROM t2 ON DUPLICATE KEY UPDATE j= a;
|
|
ERROR 42S22: Unknown column 'a' in 'field list'
|
|
DROP TABLE t1,t2;
|
|
SET SQL_MODE = 'TRADITIONAL';
|
|
CREATE TABLE t1 (a INT PRIMARY KEY, b INT NOT NULL);
|
|
INSERT INTO t1 VALUES (1,1);
|
|
INSERT INTO t1 (a) VALUES (1);
|
|
ERROR HY000: Field 'b' doesn't have a default value
|
|
INSERT INTO t1 (a) VALUES (1) ON DUPLICATE KEY UPDATE a = b;
|
|
ERROR HY000: Field 'b' doesn't have a default value
|
|
INSERT INTO t1 (a) VALUES (1) ON DUPLICATE KEY UPDATE b = a;
|
|
INSERT INTO t1 (a) VALUES (1) ON DUPLICATE KEY UPDATE b = b;
|
|
SELECT * FROM t1;
|
|
a b
|
|
1 1
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1 (f1 INT AUTO_INCREMENT PRIMARY KEY,
|
|
f2 VARCHAR(5) NOT NULL UNIQUE);
|
|
INSERT t1 (f2) VALUES ('test') ON DUPLICATE KEY UPDATE f1 = LAST_INSERT_ID(f1);
|
|
SELECT LAST_INSERT_ID();
|
|
LAST_INSERT_ID()
|
|
1
|
|
INSERT t1 (f2) VALUES ('test') ON DUPLICATE KEY UPDATE f1 = LAST_INSERT_ID(f1);
|
|
SELECT LAST_INSERT_ID();
|
|
LAST_INSERT_ID()
|
|
1
|
|
DROP TABLE t1;
|
|
SET SQL_MODE='NO_AUTO_VALUE_ON_ZERO';
|
|
CREATE TABLE `t1` (
|
|
`id` int(11) PRIMARY KEY auto_increment,
|
|
`f1` varchar(10) NOT NULL UNIQUE
|
|
);
|
|
INSERT IGNORE INTO t1 (f1) VALUES ("test1")
|
|
ON DUPLICATE KEY UPDATE id=LAST_INSERT_ID(id);
|
|
INSERT IGNORE INTO t1 (f1) VALUES ("test1")
|
|
ON DUPLICATE KEY UPDATE id=LAST_INSERT_ID(id);
|
|
SELECT LAST_INSERT_ID();
|
|
LAST_INSERT_ID()
|
|
1
|
|
SELECT * FROM t1;
|
|
id f1
|
|
1 test1
|
|
INSERT IGNORE INTO t1 (f1) VALUES ("test2")
|
|
ON DUPLICATE KEY UPDATE id=LAST_INSERT_ID(id);
|
|
SELECT * FROM t1;
|
|
id f1
|
|
1 test1
|
|
2 test2
|
|
INSERT IGNORE INTO t1 (f1) VALUES ("test2")
|
|
ON DUPLICATE KEY UPDATE id=LAST_INSERT_ID(id);
|
|
SELECT LAST_INSERT_ID();
|
|
LAST_INSERT_ID()
|
|
2
|
|
SELECT * FROM t1;
|
|
id f1
|
|
1 test1
|
|
2 test2
|
|
INSERT IGNORE INTO t1 (f1) VALUES ("test3")
|
|
ON DUPLICATE KEY UPDATE id=LAST_INSERT_ID(id);
|
|
SELECT LAST_INSERT_ID();
|
|
LAST_INSERT_ID()
|
|
3
|
|
SELECT * FROM t1;
|
|
id f1
|
|
1 test1
|
|
2 test2
|
|
3 test3
|
|
DROP TABLE t1;
|
|
CREATE TABLE `t1` (
|
|
`id` int(11) PRIMARY KEY auto_increment,
|
|
`f1` varchar(10) NOT NULL UNIQUE
|
|
);
|
|
INSERT IGNORE INTO t1 (f1) VALUES ("test1")
|
|
ON DUPLICATE KEY UPDATE id=LAST_INSERT_ID(id);
|
|
SELECT LAST_INSERT_ID();
|
|
LAST_INSERT_ID()
|
|
1
|
|
SELECT * FROM t1;
|
|
id f1
|
|
1 test1
|
|
INSERT IGNORE INTO t1 (f1) VALUES ("test1"),("test4")
|
|
ON DUPLICATE KEY UPDATE id=LAST_INSERT_ID(id);
|
|
SELECT LAST_INSERT_ID();
|
|
LAST_INSERT_ID()
|
|
2
|
|
SELECT * FROM t1;
|
|
id f1
|
|
1 test1
|
|
2 test4
|
|
DROP TABLE t1;
|
|
CREATE TABLE `t1` (
|
|
`id` int(11) PRIMARY KEY auto_increment,
|
|
`f1` varchar(10) NOT NULL UNIQUE,
|
|
tim1 timestamp default '2003-01-01 00:00:00' on update current_timestamp
|
|
);
|
|
INSERT INTO t1 (f1) VALUES ("test1");
|
|
SELECT id, f1 FROM t1;
|
|
id f1
|
|
1 test1
|
|
REPLACE INTO t1 VALUES (0,"test1",null);
|
|
SELECT id, f1 FROM t1;
|
|
id f1
|
|
0 test1
|
|
DROP TABLE t1;
|
|
SET SQL_MODE='';
|
|
CREATE TABLE t1 (
|
|
id INT AUTO_INCREMENT PRIMARY KEY,
|
|
c1 CHAR(1) UNIQUE KEY,
|
|
cnt INT DEFAULT 1
|
|
);
|
|
INSERT INTO t1 (c1) VALUES ('A'), ('B'), ('C');
|
|
SELECT * FROM t1;
|
|
id c1 cnt
|
|
1 A 1
|
|
2 B 1
|
|
3 C 1
|
|
INSERT INTO t1 (c1) VALUES ('A'), ('X'), ('Y'), ('Z')
|
|
ON DUPLICATE KEY UPDATE cnt=cnt+1;
|
|
SELECT * FROM t1;
|
|
id c1 cnt
|
|
1 A 2
|
|
2 B 1
|
|
3 C 1
|
|
4 X 1
|
|
5 Y 1
|
|
6 Z 1
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1 (
|
|
id INT AUTO_INCREMENT PRIMARY KEY,
|
|
c1 INT NOT NULL,
|
|
cnt INT DEFAULT 1
|
|
);
|
|
INSERT INTO t1 (id,c1) VALUES (1,10);
|
|
SELECT * FROM t1;
|
|
id c1 cnt
|
|
1 10 1
|
|
CREATE TABLE t2 (id INT, c1 INT);
|
|
INSERT INTO t2 VALUES (1,NULL), (2,2);
|
|
INSERT INTO t1 (id,c1) SELECT 1,NULL
|
|
ON DUPLICATE KEY UPDATE c1=NULL;
|
|
ERROR 23000: Column 'c1' cannot be null
|
|
SELECT * FROM t1;
|
|
id c1 cnt
|
|
1 10 1
|
|
INSERT IGNORE INTO t1 (id,c1) SELECT 1,NULL
|
|
ON DUPLICATE KEY UPDATE c1=NULL, cnt=cnt+1;
|
|
Warnings:
|
|
Warning 1048 Column 'c1' cannot be null
|
|
SELECT * FROM t1;
|
|
id c1 cnt
|
|
1 0 2
|
|
INSERT IGNORE INTO t1 (id,c1) SELECT * FROM t2
|
|
ON DUPLICATE KEY UPDATE c1=NULL, cnt=cnt+1;
|
|
Warnings:
|
|
Warning 1048 Column 'c1' cannot be null
|
|
SELECT * FROM t1;
|
|
id c1 cnt
|
|
1 0 3
|
|
2 2 1
|
|
DROP TABLE t1;
|
|
DROP TABLE t2;
|
|
create table t1(f1 int primary key,
|
|
f2 timestamp NOT NULL default CURRENT_TIMESTAMP on update CURRENT_TIMESTAMP);
|
|
insert into t1(f1) values(1);
|
|
select @stamp1:=f2 from t1;
|
|
@stamp1:=f2
|
|
#
|
|
insert into t1(f1) values(1) on duplicate key update f1=1;
|
|
select @stamp2:=f2 from t1;
|
|
@stamp2:=f2
|
|
#
|
|
select if( @stamp1 = @stamp2, "correct", "wrong");
|
|
if( @stamp1 = @stamp2, "correct", "wrong")
|
|
correct
|
|
drop table t1;
|