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
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
|
--
-- SUBSCRIPTION
--
CREATE ROLE regress_subscription_user LOGIN SUPERUSER;
CREATE ROLE regress_subscription_user2;
CREATE ROLE regress_subscription_user_dummy LOGIN NOSUPERUSER;
SET SESSION AUTHORIZATION 'regress_subscription_user';
-- fail - no publications
CREATE SUBSCRIPTION regress_testsub CONNECTION 'foo';
ERROR: syntax error at or near ";"
LINE 1: CREATE SUBSCRIPTION regress_testsub CONNECTION 'foo';
^
-- fail - no connection
CREATE SUBSCRIPTION regress_testsub PUBLICATION foo;
ERROR: syntax error at or near "PUBLICATION"
LINE 1: CREATE SUBSCRIPTION regress_testsub PUBLICATION foo;
^
-- fail - cannot do CREATE SUBSCRIPTION CREATE SLOT inside transaction block
BEGIN;
CREATE SUBSCRIPTION regress_testsub CONNECTION 'testconn' PUBLICATION testpub WITH (create_slot);
ERROR: CREATE SUBSCRIPTION ... WITH (create_slot = true) cannot run inside a transaction block
COMMIT;
-- fail - invalid connection string
CREATE SUBSCRIPTION regress_testsub CONNECTION 'testconn' PUBLICATION testpub;
ERROR: invalid connection string syntax: missing "=" after "testconn" in connection info string
-- fail - duplicate publications
CREATE SUBSCRIPTION regress_testsub CONNECTION 'dbname=regress_doesnotexist' PUBLICATION foo, testpub, foo WITH (connect = false);
ERROR: publication name "foo" used more than once
-- ok
CREATE SUBSCRIPTION regress_testsub CONNECTION 'dbname=regress_doesnotexist' PUBLICATION testpub WITH (connect = false);
WARNING: tables were not subscribed, you will have to run ALTER SUBSCRIPTION ... REFRESH PUBLICATION to subscribe the tables
COMMENT ON SUBSCRIPTION regress_testsub IS 'test subscription';
SELECT obj_description(s.oid, 'pg_subscription') FROM pg_subscription s;
obj_description
-------------------
test subscription
(1 row)
-- fail - name already exists
CREATE SUBSCRIPTION regress_testsub CONNECTION 'dbname=regress_doesnotexist' PUBLICATION testpub WITH (connect = false);
ERROR: subscription "regress_testsub" already exists
-- fail - must be superuser
SET SESSION AUTHORIZATION 'regress_subscription_user2';
CREATE SUBSCRIPTION regress_testsub2 CONNECTION 'dbname=regress_doesnotexist' PUBLICATION foo WITH (connect = false);
ERROR: must be superuser to create subscriptions
SET SESSION AUTHORIZATION 'regress_subscription_user';
-- fail - invalid option combinations
CREATE SUBSCRIPTION regress_testsub2 CONNECTION 'dbname=regress_doesnotexist' PUBLICATION testpub WITH (connect = false, copy_data = true);
ERROR: connect = false and copy_data = true are mutually exclusive options
CREATE SUBSCRIPTION regress_testsub2 CONNECTION 'dbname=regress_doesnotexist' PUBLICATION testpub WITH (connect = false, enabled = true);
ERROR: connect = false and enabled = true are mutually exclusive options
CREATE SUBSCRIPTION regress_testsub2 CONNECTION 'dbname=regress_doesnotexist' PUBLICATION testpub WITH (connect = false, create_slot = true);
ERROR: connect = false and create_slot = true are mutually exclusive options
CREATE SUBSCRIPTION regress_testsub2 CONNECTION 'dbname=regress_doesnotexist' PUBLICATION testpub WITH (slot_name = NONE, enabled = true);
ERROR: slot_name = NONE and enabled = true are mutually exclusive options
CREATE SUBSCRIPTION regress_testsub2 CONNECTION 'dbname=regress_doesnotexist' PUBLICATION testpub WITH (slot_name = NONE, create_slot = true);
ERROR: slot_name = NONE and create_slot = true are mutually exclusive options
CREATE SUBSCRIPTION regress_testsub2 CONNECTION 'dbname=regress_doesnotexist' PUBLICATION testpub WITH (slot_name = NONE);
ERROR: subscription with slot_name = NONE must also set enabled = false
CREATE SUBSCRIPTION regress_testsub2 CONNECTION 'dbname=regress_doesnotexist' PUBLICATION testpub WITH (slot_name = NONE, enabled = false);
ERROR: subscription with slot_name = NONE must also set create_slot = false
CREATE SUBSCRIPTION regress_testsub2 CONNECTION 'dbname=regress_doesnotexist' PUBLICATION testpub WITH (slot_name = NONE, create_slot = false);
ERROR: subscription with slot_name = NONE must also set enabled = false
-- ok - with slot_name = NONE
CREATE SUBSCRIPTION regress_testsub3 CONNECTION 'dbname=regress_doesnotexist' PUBLICATION testpub WITH (slot_name = NONE, connect = false);
WARNING: tables were not subscribed, you will have to run ALTER SUBSCRIPTION ... REFRESH PUBLICATION to subscribe the tables
-- fail
ALTER SUBSCRIPTION regress_testsub3 ENABLE;
ERROR: cannot enable subscription that does not have a slot name
ALTER SUBSCRIPTION regress_testsub3 REFRESH PUBLICATION;
ERROR: ALTER SUBSCRIPTION ... REFRESH is not allowed for disabled subscriptions
DROP SUBSCRIPTION regress_testsub3;
-- fail, connection string does not parse
CREATE SUBSCRIPTION regress_testsub5 CONNECTION 'i_dont_exist=param' PUBLICATION testpub;
ERROR: invalid connection string syntax: invalid connection option "i_dont_exist"
-- fail, connection string parses, but doesn't work (and does so without
-- connecting, so this is reliable and safe)
CREATE SUBSCRIPTION regress_testsub5 CONNECTION 'port=-1' PUBLICATION testpub;
ERROR: could not connect to the publisher: invalid port number: "-1"
-- fail - invalid connection string during ALTER
ALTER SUBSCRIPTION regress_testsub CONNECTION 'foobar';
ERROR: invalid connection string syntax: missing "=" after "foobar" in connection info string
\dRs+
List of subscriptions
Name | Owner | Enabled | Publication | Synchronous commit | Conninfo
-----------------+---------------------------+---------+-------------+--------------------+-----------------------------
regress_testsub | regress_subscription_user | f | {testpub} | off | dbname=regress_doesnotexist
(1 row)
ALTER SUBSCRIPTION regress_testsub SET PUBLICATION testpub2, testpub3 WITH (refresh = false);
ALTER SUBSCRIPTION regress_testsub CONNECTION 'dbname=regress_doesnotexist2';
ALTER SUBSCRIPTION regress_testsub SET (slot_name = 'newname');
-- fail
ALTER SUBSCRIPTION regress_testsub SET (slot_name = '');
ERROR: replication slot name "" is too short
-- fail
ALTER SUBSCRIPTION regress_doesnotexist CONNECTION 'dbname=regress_doesnotexist2';
ERROR: subscription "regress_doesnotexist" does not exist
ALTER SUBSCRIPTION regress_testsub SET (create_slot = false);
ERROR: unrecognized subscription parameter: "create_slot"
\dRs+
List of subscriptions
Name | Owner | Enabled | Publication | Synchronous commit | Conninfo
-----------------+---------------------------+---------+---------------------+--------------------+------------------------------
regress_testsub | regress_subscription_user | f | {testpub2,testpub3} | off | dbname=regress_doesnotexist2
(1 row)
BEGIN;
ALTER SUBSCRIPTION regress_testsub ENABLE;
\dRs
List of subscriptions
Name | Owner | Enabled | Publication
-----------------+---------------------------+---------+---------------------
regress_testsub | regress_subscription_user | t | {testpub2,testpub3}
(1 row)
ALTER SUBSCRIPTION regress_testsub DISABLE;
\dRs
List of subscriptions
Name | Owner | Enabled | Publication
-----------------+---------------------------+---------+---------------------
regress_testsub | regress_subscription_user | f | {testpub2,testpub3}
(1 row)
COMMIT;
-- fail - must be owner of subscription
SET ROLE regress_subscription_user_dummy;
ALTER SUBSCRIPTION regress_testsub RENAME TO regress_testsub_dummy;
ERROR: must be owner of subscription regress_testsub
RESET ROLE;
ALTER SUBSCRIPTION regress_testsub RENAME TO regress_testsub_foo;
ALTER SUBSCRIPTION regress_testsub_foo SET (synchronous_commit = local);
ALTER SUBSCRIPTION regress_testsub_foo SET (synchronous_commit = foobar);
ERROR: invalid value for parameter "synchronous_commit": "foobar"
HINT: Available values: local, remote_write, remote_apply, on, off.
\dRs+
List of subscriptions
Name | Owner | Enabled | Publication | Synchronous commit | Conninfo
---------------------+---------------------------+---------+---------------------+--------------------+------------------------------
regress_testsub_foo | regress_subscription_user | f | {testpub2,testpub3} | local | dbname=regress_doesnotexist2
(1 row)
-- rename back to keep the rest simple
ALTER SUBSCRIPTION regress_testsub_foo RENAME TO regress_testsub;
-- fail - new owner must be superuser
ALTER SUBSCRIPTION regress_testsub OWNER TO regress_subscription_user2;
ERROR: permission denied to change owner of subscription "regress_testsub"
HINT: The owner of a subscription must be a superuser.
ALTER ROLE regress_subscription_user2 SUPERUSER;
-- now it works
ALTER SUBSCRIPTION regress_testsub OWNER TO regress_subscription_user2;
-- fail - cannot do DROP SUBSCRIPTION inside transaction block with slot name
BEGIN;
DROP SUBSCRIPTION regress_testsub;
ERROR: DROP SUBSCRIPTION cannot run inside a transaction block
COMMIT;
ALTER SUBSCRIPTION regress_testsub SET (slot_name = NONE);
\dRs+
List of subscriptions
Name | Owner | Enabled | Publication | Synchronous commit | Conninfo
-----------------+----------------------------+---------+---------------------+--------------------+------------------------------
regress_testsub | regress_subscription_user2 | f | {testpub2,testpub3} | local | dbname=regress_doesnotexist2
(1 row)
-- now it works
BEGIN;
DROP SUBSCRIPTION regress_testsub;
COMMIT;
DROP SUBSCRIPTION IF EXISTS regress_testsub;
NOTICE: subscription "regress_testsub" does not exist, skipping
DROP SUBSCRIPTION regress_testsub; -- fail
ERROR: subscription "regress_testsub" does not exist
RESET SESSION AUTHORIZATION;
DROP ROLE regress_subscription_user;
DROP ROLE regress_subscription_user2;
DROP ROLE regress_subscription_user_dummy;
|
