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
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
|
SHOW TABLES FROM information_schema LIKE 'TRIGGERS';
Tables_in_information_schema (TRIGGERS)
TRIGGERS
#######################################################################
# Testcase 3.2.1.1: INFORMATION_SCHEMA tables can be queried via SELECT
#######################################################################
DROP VIEW IF EXISTS test.v1;
DROP PROCEDURE IF EXISTS test.p1;
DROP FUNCTION IF EXISTS test.f1;
CREATE VIEW test.v1 AS SELECT * FROM information_schema.TRIGGERS;
CREATE PROCEDURE test.p1() SELECT * FROM information_schema.TRIGGERS;
CREATE FUNCTION test.f1() returns BIGINT
BEGIN
DECLARE counter BIGINT DEFAULT NULL;
SELECT COUNT(*) INTO counter FROM information_schema.TRIGGERS;
RETURN counter;
END//
# Attention: The printing of the next result sets is disabled.
SELECT * FROM information_schema.TRIGGERS;
SELECT * FROM test.v1;
CALL test.p1;
SELECT test.f1();
DROP VIEW test.v1;
DROP PROCEDURE test.p1;
DROP FUNCTION test.f1;
#########################################################################
# Testcase 3.2.12.1: INFORMATION_SCHEMA.TRIGGERS layout
#########################################################################
DESCRIBE information_schema.TRIGGERS;
Field Type Null Key Default Extra
TRIGGER_CATALOG varchar(512) YES NULL
TRIGGER_SCHEMA varchar(64) NO
TRIGGER_NAME varchar(64) NO
EVENT_MANIPULATION varchar(6) NO
EVENT_OBJECT_CATALOG varchar(512) YES NULL
EVENT_OBJECT_SCHEMA varchar(64) NO
EVENT_OBJECT_TABLE varchar(64) NO
ACTION_ORDER bigint(4) NO 0
ACTION_CONDITION longtext YES NULL
ACTION_STATEMENT longtext NO NULL
ACTION_ORIENTATION varchar(9) NO
ACTION_TIMING varchar(6) NO
ACTION_REFERENCE_OLD_TABLE varchar(64) YES NULL
ACTION_REFERENCE_NEW_TABLE varchar(64) YES NULL
ACTION_REFERENCE_OLD_ROW varchar(3) NO
ACTION_REFERENCE_NEW_ROW varchar(3) NO
CREATED datetime YES NULL
SQL_MODE longtext NO NULL
DEFINER longtext NO NULL
CHARACTER_SET_CLIENT varchar(32) NO
COLLATION_CONNECTION varchar(32) NO
DATABASE_COLLATION varchar(32) NO
SHOW CREATE TABLE information_schema.TRIGGERS;
Table Create Table
TRIGGERS CREATE TEMPORARY TABLE `TRIGGERS` (
`TRIGGER_CATALOG` varchar(512) DEFAULT NULL,
`TRIGGER_SCHEMA` varchar(64) NOT NULL DEFAULT '',
`TRIGGER_NAME` varchar(64) NOT NULL DEFAULT '',
`EVENT_MANIPULATION` varchar(6) NOT NULL DEFAULT '',
`EVENT_OBJECT_CATALOG` varchar(512) DEFAULT NULL,
`EVENT_OBJECT_SCHEMA` varchar(64) NOT NULL DEFAULT '',
`EVENT_OBJECT_TABLE` varchar(64) NOT NULL DEFAULT '',
`ACTION_ORDER` bigint(4) NOT NULL DEFAULT '0',
`ACTION_CONDITION` longtext,
`ACTION_STATEMENT` longtext NOT NULL,
`ACTION_ORIENTATION` varchar(9) NOT NULL DEFAULT '',
`ACTION_TIMING` varchar(6) NOT NULL DEFAULT '',
`ACTION_REFERENCE_OLD_TABLE` varchar(64) DEFAULT NULL,
`ACTION_REFERENCE_NEW_TABLE` varchar(64) DEFAULT NULL,
`ACTION_REFERENCE_OLD_ROW` varchar(3) NOT NULL DEFAULT '',
`ACTION_REFERENCE_NEW_ROW` varchar(3) NOT NULL DEFAULT '',
`CREATED` datetime DEFAULT NULL,
`SQL_MODE` longtext NOT NULL,
`DEFINER` longtext NOT NULL,
`CHARACTER_SET_CLIENT` varchar(32) NOT NULL DEFAULT '',
`COLLATION_CONNECTION` varchar(32) NOT NULL DEFAULT '',
`DATABASE_COLLATION` varchar(32) NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=utf8
SHOW COLUMNS FROM information_schema.TRIGGERS;
Field Type Null Key Default Extra
TRIGGER_CATALOG varchar(512) YES NULL
TRIGGER_SCHEMA varchar(64) NO
TRIGGER_NAME varchar(64) NO
EVENT_MANIPULATION varchar(6) NO
EVENT_OBJECT_CATALOG varchar(512) YES NULL
EVENT_OBJECT_SCHEMA varchar(64) NO
EVENT_OBJECT_TABLE varchar(64) NO
ACTION_ORDER bigint(4) NO 0
ACTION_CONDITION longtext YES NULL
ACTION_STATEMENT longtext NO NULL
ACTION_ORIENTATION varchar(9) NO
ACTION_TIMING varchar(6) NO
ACTION_REFERENCE_OLD_TABLE varchar(64) YES NULL
ACTION_REFERENCE_NEW_TABLE varchar(64) YES NULL
ACTION_REFERENCE_OLD_ROW varchar(3) NO
ACTION_REFERENCE_NEW_ROW varchar(3) NO
CREATED datetime YES NULL
SQL_MODE longtext NO NULL
DEFINER longtext NO NULL
CHARACTER_SET_CLIENT varchar(32) NO
COLLATION_CONNECTION varchar(32) NO
DATABASE_COLLATION varchar(32) NO
SELECT * FROM information_schema.triggers
WHERE trigger_catalog IS NOT NULL OR event_object_catalog IS NOT NULL
OR action_condition IS NOT NULL OR action_reference_old_table IS NOT NULL
OR action_reference_new_table IS NOT NULL;
TRIGGER_CATALOG TRIGGER_SCHEMA TRIGGER_NAME EVENT_MANIPULATION EVENT_OBJECT_CATALOG EVENT_OBJECT_SCHEMA EVENT_OBJECT_TABLE ACTION_ORDER ACTION_CONDITION ACTION_STATEMENT ACTION_ORIENTATION ACTION_TIMING ACTION_REFERENCE_OLD_TABLE ACTION_REFERENCE_NEW_TABLE ACTION_REFERENCE_OLD_ROW ACTION_REFERENCE_NEW_ROW CREATED SQL_MODE DEFINER CHARACTER_SET_CLIENT COLLATION_CONNECTION DATABASE_COLLATION
##################################################################################
# Testcase 3.2.18.2 + 3.2.18.3: INFORMATION_SCHEMA.TRIGGERS accessible information
##################################################################################
DROP DATABASE IF EXISTS db_datadict;
CREATE DATABASE db_datadict;
DROP USER 'testuser1'@'localhost';
CREATE USER 'testuser1'@'localhost';
DROP USER 'testuser2'@'localhost';
CREATE USER 'testuser2'@'localhost';
DROP USER 'testuser3'@'localhost';
CREATE USER 'testuser3'@'localhost';
DROP USER 'testuser4'@'localhost';
CREATE USER 'testuser4'@'localhost';
GRANT TRIGGER ON *.* TO 'testuser1'@'localhost';
GRANT TRIGGER ON *.* TO 'testuser3'@'localhost';
GRANT TRIGGER ON *.* TO 'testuser4'@'localhost';
GRANT ALL ON db_datadict.* TO 'testuser1'@'localhost' WITH GRANT OPTION;
# Establish connection testuser1 (user=testuser1)
CREATE TABLE db_datadict.t1 (f1 INT, f2 INT, f3 INT)
ENGINE = <engine_type>;
CREATE TRIGGER trg1 BEFORE INSERT
ON db_datadict.t1 FOR EACH ROW SET @test_before = 2, new.f1 = @test_before;
GRANT ALL ON db_datadict.t1 TO 'testuser2'@'localhost';
REVOKE TRIGGER ON db_datadict.t1 FROM 'testuser2'@'localhost';
GRANT SELECT ON db_datadict.t1 TO 'testuser3'@'localhost';
SELECT * FROM information_schema.triggers
WHERE trigger_name = 'trg1';
TRIGGER_CATALOG TRIGGER_SCHEMA TRIGGER_NAME EVENT_MANIPULATION EVENT_OBJECT_CATALOG EVENT_OBJECT_SCHEMA EVENT_OBJECT_TABLE ACTION_ORDER ACTION_CONDITION ACTION_STATEMENT ACTION_ORIENTATION ACTION_TIMING ACTION_REFERENCE_OLD_TABLE ACTION_REFERENCE_NEW_TABLE ACTION_REFERENCE_OLD_ROW ACTION_REFERENCE_NEW_ROW CREATED SQL_MODE DEFINER CHARACTER_SET_CLIENT COLLATION_CONNECTION DATABASE_COLLATION
NULL db_datadict trg1 INSERT NULL db_datadict t1 0 NULL SET @test_before = 2, new.f1 = @test_before ROW BEFORE NULL NULL OLD NEW NULL testuser1@localhost latin1 latin1_swedish_ci latin1_swedish_ci
SHOW TRIGGERS FROM db_datadict;
Trigger Event Table Statement Timing Created sql_mode Definer character_set_client collation_connection Database Collation
trg1 INSERT t1 SET @test_before = 2, new.f1 = @test_before BEFORE NULL testuser1@localhost latin1 latin1_swedish_ci latin1_swedish_ci
# Establish connection testuser2 (user=testuser2)
SHOW GRANTS FOR 'testuser2'@'localhost';
Grants for testuser2@localhost
GRANT USAGE ON *.* TO 'testuser2'@'localhost'
GRANT SELECT, INSERT, UPDATE, DELETE, CREATE, DROP, REFERENCES, INDEX, ALTER, CREATE VIEW, SHOW VIEW ON `db_datadict`.`t1` TO 'testuser2'@'localhost'
# No TRIGGER Privilege --> no result for query
SELECT * FROM information_schema.triggers
WHERE trigger_name = 'trg1';
TRIGGER_CATALOG TRIGGER_SCHEMA TRIGGER_NAME EVENT_MANIPULATION EVENT_OBJECT_CATALOG EVENT_OBJECT_SCHEMA EVENT_OBJECT_TABLE ACTION_ORDER ACTION_CONDITION ACTION_STATEMENT ACTION_ORIENTATION ACTION_TIMING ACTION_REFERENCE_OLD_TABLE ACTION_REFERENCE_NEW_TABLE ACTION_REFERENCE_OLD_ROW ACTION_REFERENCE_NEW_ROW CREATED SQL_MODE DEFINER CHARACTER_SET_CLIENT COLLATION_CONNECTION DATABASE_COLLATION
SHOW TRIGGERS FROM db_datadict;
Trigger Event Table Statement Timing Created sql_mode Definer character_set_client collation_connection Database Collation
# Establish connection testuser3 (user=testuser3)
SHOW GRANTS FOR 'testuser3'@'localhost';
Grants for testuser3@localhost
GRANT TRIGGER ON *.* TO 'testuser3'@'localhost'
GRANT SELECT ON `db_datadict`.`t1` TO 'testuser3'@'localhost'
# TRIGGER Privilege + SELECT Privilege on t1 --> result for query
SELECT * FROM information_schema.triggers
WHERE trigger_name = 'trg1';
TRIGGER_CATALOG TRIGGER_SCHEMA TRIGGER_NAME EVENT_MANIPULATION EVENT_OBJECT_CATALOG EVENT_OBJECT_SCHEMA EVENT_OBJECT_TABLE ACTION_ORDER ACTION_CONDITION ACTION_STATEMENT ACTION_ORIENTATION ACTION_TIMING ACTION_REFERENCE_OLD_TABLE ACTION_REFERENCE_NEW_TABLE ACTION_REFERENCE_OLD_ROW ACTION_REFERENCE_NEW_ROW CREATED SQL_MODE DEFINER CHARACTER_SET_CLIENT COLLATION_CONNECTION DATABASE_COLLATION
NULL db_datadict trg1 INSERT NULL db_datadict t1 0 NULL SET @test_before = 2, new.f1 = @test_before ROW BEFORE NULL NULL OLD NEW NULL testuser1@localhost latin1 latin1_swedish_ci latin1_swedish_ci
SHOW TRIGGERS FROM db_datadict;
Trigger Event Table Statement Timing Created sql_mode Definer character_set_client collation_connection Database Collation
trg1 INSERT t1 SET @test_before = 2, new.f1 = @test_before BEFORE NULL testuser1@localhost latin1 latin1_swedish_ci latin1_swedish_ci
# Establish connection testuser4 (user=testuser4)
SHOW GRANTS FOR 'testuser4'@'localhost';
Grants for testuser4@localhost
GRANT TRIGGER ON *.* TO 'testuser4'@'localhost'
# TRIGGER Privilege + no SELECT Privilege on t1 --> result for query
SELECT * FROM db_datadict.t1;
ERROR 42000: SELECT command denied to user 'testuser4'@'localhost' for table 't1'
DESC db_datadict.t1;
ERROR 42000: SELECT command denied to user 'testuser4'@'localhost' for table 't1'
SELECT * FROM information_schema.triggers
WHERE trigger_name = 'trg1';
TRIGGER_CATALOG TRIGGER_SCHEMA TRIGGER_NAME EVENT_MANIPULATION EVENT_OBJECT_CATALOG EVENT_OBJECT_SCHEMA EVENT_OBJECT_TABLE ACTION_ORDER ACTION_CONDITION ACTION_STATEMENT ACTION_ORIENTATION ACTION_TIMING ACTION_REFERENCE_OLD_TABLE ACTION_REFERENCE_NEW_TABLE ACTION_REFERENCE_OLD_ROW ACTION_REFERENCE_NEW_ROW CREATED SQL_MODE DEFINER CHARACTER_SET_CLIENT COLLATION_CONNECTION DATABASE_COLLATION
NULL db_datadict trg1 INSERT NULL db_datadict t1 0 NULL SET @test_before = 2, new.f1 = @test_before ROW BEFORE NULL NULL OLD NEW NULL testuser1@localhost latin1 latin1_swedish_ci latin1_swedish_ci
SHOW TRIGGERS FROM db_datadict;
Trigger Event Table Statement Timing Created sql_mode Definer character_set_client collation_connection Database Collation
trg1 INSERT t1 SET @test_before = 2, new.f1 = @test_before BEFORE NULL testuser1@localhost latin1 latin1_swedish_ci latin1_swedish_ci
# Switch to connection default and close connections testuser1 - testuser4
SELECT * FROM information_schema.triggers
WHERE trigger_name = 'trg1';
TRIGGER_CATALOG TRIGGER_SCHEMA TRIGGER_NAME EVENT_MANIPULATION EVENT_OBJECT_CATALOG EVENT_OBJECT_SCHEMA EVENT_OBJECT_TABLE ACTION_ORDER ACTION_CONDITION ACTION_STATEMENT ACTION_ORIENTATION ACTION_TIMING ACTION_REFERENCE_OLD_TABLE ACTION_REFERENCE_NEW_TABLE ACTION_REFERENCE_OLD_ROW ACTION_REFERENCE_NEW_ROW CREATED SQL_MODE DEFINER CHARACTER_SET_CLIENT COLLATION_CONNECTION DATABASE_COLLATION
NULL db_datadict trg1 INSERT NULL db_datadict t1 0 NULL SET @test_before = 2, new.f1 = @test_before ROW BEFORE NULL NULL OLD NEW NULL testuser1@localhost latin1 latin1_swedish_ci latin1_swedish_ci
SHOW TRIGGERS FROM db_datadict;
Trigger Event Table Statement Timing Created sql_mode Definer character_set_client collation_connection Database Collation
trg1 INSERT t1 SET @test_before = 2, new.f1 = @test_before BEFORE NULL testuser1@localhost latin1 latin1_swedish_ci latin1_swedish_ci
DROP USER 'testuser1'@'localhost';
DROP USER 'testuser2'@'localhost';
DROP USER 'testuser3'@'localhost';
DROP USER 'testuser4'@'localhost';
DROP DATABASE db_datadict;
#########################################################################
# 3.2.1.13+3.2.1.14+3.2.1.15: INFORMATION_SCHEMA.TRIGGERS modifications
#########################################################################
########################################################################
# Testcases 3.2.1.3-3.2.1.5 + 3.2.1.8-3.2.1.12: INSERT/UPDATE/DELETE and
# DDL on INFORMATION_SCHEMA tables are not supported
########################################################################
DROP DATABASE IF EXISTS db_datadict;
CREATE DATABASE db_datadict;
CREATE TABLE db_datadict.t1 (f1 BIGINT)
ENGINE = <engine_type>;
CREATE TRIGGER db_datadict.trg1 BEFORE INSERT
ON db_datadict.t1 FOR EACH ROW SET @test_before = 2, new.f1 = @test_before;
INSERT INTO information_schema.triggers
SELECT * FROM information_schema.triggers;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
UPDATE information_schema.triggers SET trigger_schema = 'test'
WHERE table_name = 't1';
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
DELETE FROM information_schema.triggers WHERE trigger_name = 't1';
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
TRUNCATE information_schema.triggers;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
CREATE INDEX my_idx_on_triggers ON information_schema.triggers(trigger_schema);
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
ALTER TABLE information_schema.triggers DROP PRIMARY KEY;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
ALTER TABLE information_schema.triggers ADD f1 INT;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
DROP TABLE information_schema.triggers;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
ALTER TABLE information_schema.triggers RENAME db_datadict.triggers;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
ALTER TABLE information_schema.triggers RENAME information_schema.xtriggers;
ERROR 42000: Access denied for user 'root'@'localhost' to database 'information_schema'
DROP DATABASE db_datadict;
|
