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
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
--
-- Test inheritance features
--
CREATE TABLE a (aa TEXT);
CREATE TABLE b (bb TEXT) INHERITS (a);
CREATE TABLE c (cc TEXT) INHERITS (a);
CREATE TABLE d (dd TEXT) INHERITS (b,c,a);
INSERT INTO a(aa) VALUES('aaa');
INSERT INTO a(aa) VALUES('aaaa');
INSERT INTO a(aa) VALUES('aaaaa');
INSERT INTO a(aa) VALUES('aaaaaa');
INSERT INTO a(aa) VALUES('aaaaaaa');
INSERT INTO a(aa) VALUES('aaaaaaaa');
INSERT INTO b(aa) VALUES('bbb');
INSERT INTO b(aa) VALUES('bbbb');
INSERT INTO b(aa) VALUES('bbbbb');
INSERT INTO b(aa) VALUES('bbbbbb');
INSERT INTO b(aa) VALUES('bbbbbbb');
INSERT INTO b(aa) VALUES('bbbbbbbb');
INSERT INTO c(aa) VALUES('ccc');
INSERT INTO c(aa) VALUES('cccc');
INSERT INTO c(aa) VALUES('ccccc');
INSERT INTO c(aa) VALUES('cccccc');
INSERT INTO c(aa) VALUES('ccccccc');
INSERT INTO c(aa) VALUES('cccccccc');
INSERT INTO d(aa) VALUES('ddd');
INSERT INTO d(aa) VALUES('dddd');
INSERT INTO d(aa) VALUES('ddddd');
INSERT INTO d(aa) VALUES('dddddd');
INSERT INTO d(aa) VALUES('ddddddd');
INSERT INTO d(aa) VALUES('dddddddd');
SELECT relname, a.* FROM a, pg_class where a.tableoid = pg_class.oid;
SELECT relname, b.* FROM b, pg_class where b.tableoid = pg_class.oid;
SELECT relname, c.* FROM c, pg_class where c.tableoid = pg_class.oid;
SELECT relname, d.* FROM d, pg_class where d.tableoid = pg_class.oid;
SELECT relname, a.* FROM ONLY a, pg_class where a.tableoid = pg_class.oid;
SELECT relname, b.* FROM ONLY b, pg_class where b.tableoid = pg_class.oid;
SELECT relname, c.* FROM ONLY c, pg_class where c.tableoid = pg_class.oid;
SELECT relname, d.* FROM ONLY d, pg_class where d.tableoid = pg_class.oid;
UPDATE a SET aa='zzzz' WHERE aa='aaaa';
UPDATE ONLY a SET aa='zzzzz' WHERE aa='aaaaa';
UPDATE b SET aa='zzz' WHERE aa='aaa';
UPDATE ONLY b SET aa='zzz' WHERE aa='aaa';
UPDATE a SET aa='zzzzzz' WHERE aa LIKE 'aaa%';
SELECT relname, a.* FROM a, pg_class where a.tableoid = pg_class.oid;
SELECT relname, b.* FROM b, pg_class where b.tableoid = pg_class.oid;
SELECT relname, c.* FROM c, pg_class where c.tableoid = pg_class.oid;
SELECT relname, d.* FROM d, pg_class where d.tableoid = pg_class.oid;
SELECT relname, a.* FROM ONLY a, pg_class where a.tableoid = pg_class.oid;
SELECT relname, b.* FROM ONLY b, pg_class where b.tableoid = pg_class.oid;
SELECT relname, c.* FROM ONLY c, pg_class where c.tableoid = pg_class.oid;
SELECT relname, d.* FROM ONLY d, pg_class where d.tableoid = pg_class.oid;
UPDATE b SET aa='new';
SELECT relname, a.* FROM a, pg_class where a.tableoid = pg_class.oid;
SELECT relname, b.* FROM b, pg_class where b.tableoid = pg_class.oid;
SELECT relname, c.* FROM c, pg_class where c.tableoid = pg_class.oid;
SELECT relname, d.* FROM d, pg_class where d.tableoid = pg_class.oid;
SELECT relname, a.* FROM ONLY a, pg_class where a.tableoid = pg_class.oid;
SELECT relname, b.* FROM ONLY b, pg_class where b.tableoid = pg_class.oid;
SELECT relname, c.* FROM ONLY c, pg_class where c.tableoid = pg_class.oid;
SELECT relname, d.* FROM ONLY d, pg_class where d.tableoid = pg_class.oid;
UPDATE a SET aa='new';
DELETE FROM ONLY c WHERE aa='new';
SELECT relname, a.* FROM a, pg_class where a.tableoid = pg_class.oid;
SELECT relname, b.* FROM b, pg_class where b.tableoid = pg_class.oid;
SELECT relname, c.* FROM c, pg_class where c.tableoid = pg_class.oid;
SELECT relname, d.* FROM d, pg_class where d.tableoid = pg_class.oid;
SELECT relname, a.* FROM ONLY a, pg_class where a.tableoid = pg_class.oid;
SELECT relname, b.* FROM ONLY b, pg_class where b.tableoid = pg_class.oid;
SELECT relname, c.* FROM ONLY c, pg_class where c.tableoid = pg_class.oid;
SELECT relname, d.* FROM ONLY d, pg_class where d.tableoid = pg_class.oid;
DELETE FROM a;
SELECT relname, a.* FROM a, pg_class where a.tableoid = pg_class.oid;
SELECT relname, b.* FROM b, pg_class where b.tableoid = pg_class.oid;
SELECT relname, c.* FROM c, pg_class where c.tableoid = pg_class.oid;
SELECT relname, d.* FROM d, pg_class where d.tableoid = pg_class.oid;
SELECT relname, a.* FROM ONLY a, pg_class where a.tableoid = pg_class.oid;
SELECT relname, b.* FROM ONLY b, pg_class where b.tableoid = pg_class.oid;
SELECT relname, c.* FROM ONLY c, pg_class where c.tableoid = pg_class.oid;
SELECT relname, d.* FROM ONLY d, pg_class where d.tableoid = pg_class.oid;
-- Confirm PRIMARY KEY adds NOT NULL constraint to child table
CREATE TEMP TABLE z (b TEXT, PRIMARY KEY(aa, b)) inherits (a);
INSERT INTO z VALUES (NULL, 'text'); -- should fail
-- Check UPDATE with inherited target and an inherited source table
create temp table foo(f1 int, f2 int);
create temp table foo2(f3 int) inherits (foo);
create temp table bar(f1 int, f2 int);
create temp table bar2(f3 int) inherits (bar);
insert into foo values(1,1);
insert into foo values(3,3);
insert into foo2 values(2,2,2);
insert into foo2 values(3,3,3);
insert into bar values(1,1);
insert into bar values(2,2);
insert into bar values(3,3);
insert into bar values(4,4);
insert into bar2 values(1,1,1);
insert into bar2 values(2,2,2);
insert into bar2 values(3,3,3);
insert into bar2 values(4,4,4);
update bar set f2 = f2 + 100 where f1 in (select f1 from foo);
SELECT relname, bar.* FROM bar, pg_class where bar.tableoid = pg_class.oid;
/* Test inheritance of structure (LIKE) */
CREATE TABLE inhx (xx text DEFAULT 'text');
/*
* Test double inheritance
*
* Ensure that defaults are NOT included unless
* INCLUDING DEFAULTS is specified
*/
CREATE TABLE inhe (ee text, LIKE inhx) inherits (b);
INSERT INTO inhe VALUES ('ee-col1', 'ee-col2', DEFAULT, 'ee-col4');
SELECT * FROM inhe; /* Columns aa, bb, xx value NULL, ee */
SELECT * FROM inhx; /* Empty set since LIKE inherits structure only */
SELECT * FROM b; /* Has ee entry */
SELECT * FROM a; /* Has ee entry */
CREATE TABLE inhf (LIKE inhx, LIKE inhx); /* Throw error */
CREATE TABLE inhf (LIKE inhx INCLUDING DEFAULTS);
INSERT INTO inhf DEFAULT VALUES;
SELECT * FROM inhf; /* Single entry with value 'text' */
|
