mirror of
https://github.com/MariaDB/server.git
synced 2025-10-31 15:50:51 +03:00
83f90e060e
#9728 'Decreased functionality in "on duplicate key update #8147 'a column proclaimed ambigous in INSERT ... SELECT .. ON DUPLICATE' This ensures fields are uniquely qualified and also that one can't update other tables in the ON DUPLICATE KEY UPDATE part
194 lines
4.3 KiB
Plaintext
194 lines
4.3 KiB
Plaintext
DROP TABLE IF EXISTS 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 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 2
|
|
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 *, VALUES(a) FROM t1;
|
|
a b c VALUES(a)
|
|
1 2 10 NULL
|
|
3 4 127 NULL
|
|
5 0 30 NULL
|
|
8 9 60 NULL
|
|
2 1 11 NULL
|
|
explain extended SELECT *, VALUES(a) FROM t1;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 ALL NULL NULL NULL NULL 5
|
|
Warnings:
|
|
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
|
|
explain extended select * from t1 where values(a);
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
|
|
Warnings:
|
|
Note 1003 select test.t1.a AS `a`,test.t1.b AS `b`,test.t1.c AS `c` from test.t1
|
|
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 2
|
|
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 *, VALUES(a) FROM t1;
|
|
a b c VALUES(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;
|
|
select * from t1;
|
|
a
|
|
1
|
|
2
|
|
insert ignore into t1 select a from t1 as t2 on duplicate key update a=t1.a+1 ;
|
|
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;
|