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set @save_sql_mode=@@global.sql_mode;
set global sql_mode="";
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) NO NULL
TRIGGER_SCHEMA varchar(64) NO NULL
TRIGGER_NAME varchar(64) NO NULL
EVENT_MANIPULATION varchar(6) NO NULL
EVENT_OBJECT_CATALOG varchar(512) NO NULL
EVENT_OBJECT_SCHEMA varchar(64) NO NULL
EVENT_OBJECT_TABLE varchar(64) NO NULL
ACTION_ORDER bigint(4) NO NULL
ACTION_CONDITION longtext YES NULL
ACTION_STATEMENT longtext NO NULL
ACTION_ORIENTATION varchar(9) NO NULL
ACTION_TIMING varchar(6) NO NULL
ACTION_REFERENCE_OLD_TABLE varchar(64) YES NULL
ACTION_REFERENCE_NEW_TABLE varchar(64) YES NULL
ACTION_REFERENCE_OLD_ROW varchar(3) NO NULL
ACTION_REFERENCE_NEW_ROW varchar(3) NO NULL
CREATED datetime(2) YES NULL
SQL_MODE varchar(8192) NO NULL
DEFINER varchar(384) NO NULL
CHARACTER_SET_CLIENT varchar(32) NO NULL
COLLATION_CONNECTION varchar(64) NO NULL
DATABASE_COLLATION varchar(64) NO NULL
SHOW CREATE TABLE information_schema.TRIGGERS;
Table Create Table
TRIGGERS CREATE TEMPORARY TABLE `TRIGGERS` (
`TRIGGER_CATALOG` varchar(512) NOT NULL,
`TRIGGER_SCHEMA` varchar(64) NOT NULL,
`TRIGGER_NAME` varchar(64) NOT NULL,
`EVENT_MANIPULATION` varchar(6) NOT NULL,
`EVENT_OBJECT_CATALOG` varchar(512) NOT NULL,
`EVENT_OBJECT_SCHEMA` varchar(64) NOT NULL,
`EVENT_OBJECT_TABLE` varchar(64) NOT NULL,
`ACTION_ORDER` bigint(4) NOT NULL,
`ACTION_CONDITION` longtext,
`ACTION_STATEMENT` longtext NOT NULL,
`ACTION_ORIENTATION` varchar(9) NOT NULL,
`ACTION_TIMING` varchar(6) NOT NULL,
`ACTION_REFERENCE_OLD_TABLE` varchar(64),
`ACTION_REFERENCE_NEW_TABLE` varchar(64),
`ACTION_REFERENCE_OLD_ROW` varchar(3) NOT NULL,
`ACTION_REFERENCE_NEW_ROW` varchar(3) NOT NULL,
`CREATED` datetime(2),
`SQL_MODE` varchar(8192) NOT NULL,
`DEFINER` varchar(384) NOT NULL,
`CHARACTER_SET_CLIENT` varchar(32) NOT NULL,
`COLLATION_CONNECTION` varchar(64) NOT NULL,
`DATABASE_COLLATION` varchar(64) NOT NULL
) DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_general_ci
SHOW COLUMNS FROM information_schema.TRIGGERS;
Field Type Null Key Default Extra
TRIGGER_CATALOG varchar(512) NO NULL
TRIGGER_SCHEMA varchar(64) NO NULL
TRIGGER_NAME varchar(64) NO NULL
EVENT_MANIPULATION varchar(6) NO NULL
EVENT_OBJECT_CATALOG varchar(512) NO NULL
EVENT_OBJECT_SCHEMA varchar(64) NO NULL
EVENT_OBJECT_TABLE varchar(64) NO NULL
ACTION_ORDER bigint(4) NO NULL
ACTION_CONDITION longtext YES NULL
ACTION_STATEMENT longtext NO NULL
ACTION_ORIENTATION varchar(9) NO NULL
ACTION_TIMING varchar(6) NO NULL
ACTION_REFERENCE_OLD_TABLE varchar(64) YES NULL
ACTION_REFERENCE_NEW_TABLE varchar(64) YES NULL
ACTION_REFERENCE_OLD_ROW varchar(3) NO NULL
ACTION_REFERENCE_NEW_ROW varchar(3) NO NULL
CREATED datetime(2) YES NULL
SQL_MODE varchar(8192) NO NULL
DEFINER varchar(384) NO NULL
CHARACTER_SET_CLIENT varchar(32) NO NULL
COLLATION_CONNECTION varchar(64) NO NULL
DATABASE_COLLATION varchar(64) NO NULL
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
ORDER BY trigger_schema, trigger_name;
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
def mtr gs_insert INSERT def mtr global_suppressions 1 NULL BEGIN DECLARE dummy INT; SELECT "" REGEXP NEW.pattern INTO dummy; END ROW BEFORE NULL NULL OLD NEW # root@localhost latin1 latin1_swedish_ci latin1_swedish_ci
def mtr ts_insert INSERT def mtr test_suppressions 1 NULL BEGIN DECLARE dummy INT; SELECT "" REGEXP NEW.pattern INTO dummy; END ROW BEFORE NULL NULL OLD NEW # root@localhost latin1 latin1_swedish_ci latin1_swedish_ci
##################################################################################
# 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;
connect testuser1, localhost, testuser1, , db_datadict;
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
def db_datadict trg1 INSERT def db_datadict t1 1 NULL SET @test_before = 2, new.f1 = @test_before ROW BEFORE NULL NULL OLD NEW # 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 # testuser1@localhost latin1 latin1_swedish_ci latin1_swedish_ci
connect testuser2, localhost, testuser2, , db_datadict;
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, DELETE HISTORY 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
connect testuser3, localhost, testuser3, , test;
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
def db_datadict trg1 INSERT def db_datadict t1 1 NULL SET @test_before = 2, new.f1 = @test_before ROW BEFORE NULL NULL OLD NEW # 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 # testuser1@localhost latin1 latin1_swedish_ci latin1_swedish_ci
connect testuser4, localhost, testuser4, , test;
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 `db_datadict`.`t1`
DESC db_datadict.t1;
ERROR 42000: SELECT command denied to user 'testuser4'@'localhost' for table `db_datadict`.`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
def db_datadict trg1 INSERT def db_datadict t1 1 NULL SET @test_before = 2, new.f1 = @test_before ROW BEFORE NULL NULL OLD NEW # 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 # testuser1@localhost latin1 latin1_swedish_ci latin1_swedish_ci
connection default;
disconnect testuser1;
disconnect testuser2;
disconnect testuser3;
disconnect 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
def db_datadict trg1 INSERT def db_datadict t1 1 NULL SET @test_before = 2, new.f1 = @test_before ROW BEFORE NULL NULL OLD NEW # 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 # 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';
Got one of the listed errors
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;
set global sql_mode=@save_sql_mode;
|
