1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
--source include/have_innodb.inc
--echo # Create statement with FK on base column of stored column
--error ER_CANT_CREATE_TABLE
create table t1(f1 int, f2 int as(f1) stored,
foreign key(f1) references t2(f1) on delete cascade)engine=innodb;
--echo # adding new stored column during alter table copy operation.
create table t1(f1 int primary key) engine=innodb;
create table t2(f1 int not null, f2 int as (f1) virtual,
foreign key(f1) references t1(f1) on update cascade)engine=innodb;
# MySQL 5.7 would refuse this
#--error ER_ERROR_ON_RENAME
alter table t2 add column f3 int as (f1) stored, add column f4 int as (f1) virtual;
show create table t2;
drop table t2;
--echo # adding foreign key constraint for base columns during alter copy.
create table t2(f1 int not null, f2 int as (f1) stored) engine=innodb;
# MySQL 5.7 would refuse this
alter table t2 add foreign key(f1) references t1(f1) on update cascade, algorithm=copy;
show create table t2;
drop table t2;
--echo # adding foreign key constraint for base columns during online alter.
create table t2(f1 int not null, f2 int as (f1) stored) engine=innodb;
set foreign_key_checks = 0;
--error 138
alter table t2 add foreign key(f1) references t1(f1) on update cascade, algorithm=inplace;
drop table t2;
--echo # adding stored column via online alter.
create table t2(f1 int not null,
foreign key(f1) references t1(f1) on update cascade)engine=innodb;
--error ER_ALTER_OPERATION_NOT_SUPPORTED
alter table t2 add column f2 int as (f1) stored, algorithm=inplace;
drop table t2, t1;
--echo #
--echo # BUG#26731689 FK ON TABLE WITH GENERATED COLS: ASSERTION POS < N_DEF
--echo #
CREATE TABLE s (a INT, b INT GENERATED ALWAYS AS (0) STORED, c INT,
d INT GENERATED ALWAYS AS (0) VIRTUAL, e INT) ENGINE=innodb;
CREATE TABLE t (a INT) ENGINE=innodb;
# This would fail. No corresponding index
--error ER_FK_NO_INDEX_PARENT
ALTER TABLE s ADD CONSTRAINT c FOREIGN KEY (e) REFERENCES t(a) ON UPDATE SET null;
ALTER TABLE t ADD PRIMARY KEY(a);
ALTER TABLE s ADD CONSTRAINT c FOREIGN KEY (e) REFERENCES t(a) ON UPDATE SET null;
DROP TABLE s,t;
CREATE TABLE s (a INT GENERATED ALWAYS AS (0) VIRTUAL,
b INT GENERATED ALWAYS AS (0) STORED, c INT) ENGINE=innodb;
CREATE TABLE t (a INT) ENGINE=innodb;
# This would fail. No corresponding index
--error ER_FK_NO_INDEX_PARENT
ALTER TABLE s ADD CONSTRAINT c FOREIGN KEY (c) REFERENCES t(a) ON UPDATE SET null;
ALTER TABLE t ADD PRIMARY KEY(a);
ALTER TABLE s ADD CONSTRAINT c FOREIGN KEY (c) REFERENCES t(a) ON UPDATE SET null;
DROP TABLE s,t;
CREATE TABLE s (a INT, b INT GENERATED ALWAYS AS (0) STORED) ENGINE=innodb;
CREATE TABLE t (a INT PRIMARY KEY) ENGINE=innodb;
ALTER TABLE s ADD CONSTRAINT c FOREIGN KEY (a) REFERENCES t(a) ON UPDATE SET null;
DROP TABLE s,t;
CREATE TABLE s (a INT, b INT) ENGINE=innodb;
CREATE TABLE t (a INT) ENGINE=innodb;
# This would fail. No corresponding index
--error ER_FK_NO_INDEX_PARENT
ALTER TABLE s ADD CONSTRAINT c FOREIGN KEY (a) REFERENCES t(a) ON UPDATE SET null;
ALTER TABLE t ADD PRIMARY KEY(a);
ALTER TABLE s ADD CONSTRAINT c FOREIGN KEY (a) REFERENCES t(a) ON UPDATE SET null;
DROP TABLE s,t;
|
