1
by brian
clean slate |
1 |
-- source include/testdb_only.inc
|
2 |
-- source include/have_innodb.inc
|
|
3 |
--disable_warnings
|
|
4 |
DROP TABLE IF EXISTS t1,t2,t3; |
|
5 |
--enable_warnings
|
|
6 |
||
7 |
#
|
|
8 |
# Test for KEY_COLUMN_USAGE & TABLE_CONSTRAINTS tables |
|
9 |
#
|
|
10 |
||
11 |
CREATE TABLE t1 (id INT NOT NULL, PRIMARY KEY (id)) ENGINE=INNODB; |
|
12 |
CREATE TABLE t2 (id INT PRIMARY KEY, t1_id INT, INDEX par_ind (t1_id, id), |
|
13 |
FOREIGN KEY (t1_id) REFERENCES t1(id) ON DELETE CASCADE, |
|
14 |
FOREIGN KEY (t1_id) REFERENCES t1(id) ON UPDATE CASCADE) ENGINE=INNODB; |
|
15 |
||
16 |
CREATE TABLE t3 (id INT PRIMARY KEY, t2_id INT, INDEX par_ind (t2_id), |
|
17 |
FOREIGN KEY (id, t2_id) REFERENCES t2(t1_id, id) ON DELETE CASCADE) ENGINE=INNODB; |
|
18 |
||
19 |
select * from information_schema.TABLE_CONSTRAINTS where |
|
20 |
TABLE_SCHEMA= "test"; |
|
21 |
select * from information_schema.KEY_COLUMN_USAGE where |
|
22 |
TABLE_SCHEMA= "test"; |
|
23 |
||
24 |
drop table t3, t2, t1; |
|
25 |
||
26 |
#
|
|
27 |
# Test for REFERENTIAL_CONSTRAINTS table |
|
28 |
#
|
|
29 |
CREATE TABLE t1(a1 INT NOT NULL, a2 INT NOT NULL, |
|
30 |
PRIMARY KEY(a1, a2)) ENGINE=INNODB; |
|
31 |
CREATE TABLE t2(b1 INT, b2 INT, INDEX (b1, b2), |
|
32 |
CONSTRAINT A1 |
|
33 |
FOREIGN KEY (b1, b2) REFERENCES t1(a1, a2) |
|
34 |
ON UPDATE CASCADE ON DELETE NO ACTION) ENGINE=INNODB; |
|
35 |
CREATE TABLE t3(b1 INT, b2 INT, INDEX t3_indx (b1, b2), |
|
36 |
CONSTRAINT A2 |
|
37 |
FOREIGN KEY (b1, b2) REFERENCES t2(b1, b2) |
|
38 |
ON UPDATE SET NULL ON DELETE RESTRICT) ENGINE=INNODB; |
|
39 |
CREATE TABLE t4(b1 INT, b2 INT, UNIQUE KEY t4_ukey (b1, b2), |
|
40 |
CONSTRAINT A3 |
|
41 |
FOREIGN KEY (b1, b2) REFERENCES t3(b1, b2) |
|
42 |
ON UPDATE NO ACTION ON DELETE SET NULL) ENGINE=INNODB; |
|
43 |
CREATE TABLE t5(b1 INT, b2 INT, INDEX (b1, b2), |
|
44 |
CONSTRAINT A4 |
|
45 |
FOREIGN KEY (b1, b2) REFERENCES t4(b1, b2) |
|
46 |
ON UPDATE RESTRICT ON DELETE CASCADE) ENGINE=INNODB; |
|
47 |
||
48 |
select a.CONSTRAINT_SCHEMA, b.TABLE_NAME, CONSTRAINT_TYPE, |
|
49 |
b.CONSTRAINT_NAME, UNIQUE_CONSTRAINT_SCHEMA, UNIQUE_CONSTRAINT_NAME, |
|
50 |
MATCH_OPTION, UPDATE_RULE, DELETE_RULE, b.REFERENCED_TABLE_NAME |
|
51 |
from information_schema.TABLE_CONSTRAINTS a, |
|
52 |
information_schema.REFERENTIAL_CONSTRAINTS b |
|
53 |
where a.CONSTRAINT_SCHEMA = 'test' and a.CONSTRAINT_SCHEMA = b.CONSTRAINT_SCHEMA and |
|
54 |
a.CONSTRAINT_NAME = b.CONSTRAINT_NAME; |
|
55 |
drop tables t5, t4, t3, t2, t1; |
|
56 |
||
57 |
#
|
|
58 |
# Bug#25026 `information_schema.KEY_COLUMN_USAGE`.`REFERENCED_TABLE_NAME` returns garbage |
|
59 |
#
|
|
60 |
create database `db-1`; |
|
61 |
use `db-1`; |
|
62 |
create table `t-2` ( |
|
63 |
id int(10) unsigned not null auto_increment, |
|
64 |
primary key (id) |
|
65 |
) engine=innodb; |
|
66 |
||
67 |
create table `t-1` ( |
|
68 |
id int(10) unsigned not null auto_increment, |
|
69 |
idtype int(10) unsigned not null, |
|
70 |
primary key (id), |
|
71 |
key fk_t1_1 (idtype), |
|
72 |
constraint fk_t1_1 foreign key (idtype) references `t-2` (id) |
|
73 |
) engine=innodb; |
|
74 |
use test; |
|
75 |
select referenced_table_schema, referenced_table_name |
|
76 |
from information_schema.key_column_usage |
|
77 |
where constraint_schema = 'db-1'; |
|
78 |
drop database `db-1`; |
|
79 |
||
80 |
#
|
|
81 |
# Bug#35108 SELECT FROM REFERENTIAL_CONSTRAINTS crashes |
|
82 |
#
|
|
83 |
create table t1(id int primary key) engine = Innodb; |
|
84 |
create table t2(pid int, foreign key (pid) references t1(id)) engine = Innodb; |
|
85 |
set foreign_key_checks = 0; |
|
86 |
drop table t1; |
|
87 |
select UNIQUE_CONSTRAINT_NAME |
|
88 |
from information_schema.referential_constraints |
|
89 |
where constraint_schema = schema(); |
|
90 |
drop table t2; |
|
91 |
set foreign_key_checks = 1; |