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
|
connection node_2;
connection node_1;
connection node_1;
SAVEPOINT in a stored function should be forbidden
CREATE FUNCTION f1 () RETURNS INT BEGIN
SAVEPOINT s;
RETURN 1;
END|
SELECT f1();
f1()
1
DROP FUNCTION f1;
ROLLBACK TO SAVEPOINT in a stored function should be forbidden
CREATE FUNCTION f2 () RETURNS INT BEGIN
ROLLBACK TO SAVEPOINT s;
RETURN 1;
END|
BEGIN;
SAVEPOINT s;
SELECT f2();
ERROR 42000: SAVEPOINT s does not exist
COMMIT;
DROP FUNCTION f2;
BEGIN;
SAVEPOINT S;
ROLLBACK TO SAVEPOINT S;
COMMIT;
CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=InnoDB;
CREATE TABLE t2 (a INT PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB;
INSERT INTO t1 values (110), (111), (112), (113), (114);
Direct SAVEPOINT in a trigger should be forbidden
connection node_2;
CREATE TRIGGER i1_t1 BEFORE INSERT ON t1 FOR EACH ROW SAVEPOINT s;
connection node_1;
INSERT INTO t1 VALUES (1);
DROP TRIGGER i1_t1;
CREATE TRIGGER i2_t1 AFTER INSERT ON t1 FOR EACH ROW SAVEPOINT s;
INSERT INTO t1 VALUES (2);
DROP TRIGGER i2_t1;
INSERT INTO t1 VALUES (3);
CREATE TRIGGER u1_t1 BEFORE UPDATE ON t1 FOR EACH ROW SAVEPOINT s;
UPDATE t1 SET a=4 WHERE a=3;
DROP TRIGGER u1_t1;
CREATE TRIGGER u2_t1 AFTER UPDATE ON t1 FOR EACH ROW SAVEPOINT s;
UPDATE t1 SET a=4 WHERE a=3;
DROP TRIGGER u2_t1;
CREATE TRIGGER d1_t1 BEFORE DELETE ON t1 FOR EACH ROW SAVEPOINT s;
DELETE FROM t1;
DROP TRIGGER d1_t1;
CREATE TRIGGER d1_t1 AFTER DELETE ON t1 FOR EACH ROW SAVEPOINT s;
DELETE FROM t1;
DROP TRIGGER d1_t1;
SAVEPOINT in a compound statement in a trigger should be forbidden
CREATE TRIGGER i3_t1 BEFORE INSERT ON t1 FOR EACH ROW BEGIN
SAVEPOINT s;
END|
INSERT INTO t1 VALUES (5);
DROP TRIGGER i3_t1;
SAVEPOINT in a PS call in a trigger should be forbidden
CREATE TRIGGER i4_t1 BEFORE INSERT ON t1 FOR EACH ROW BEGIN
PREPARE set_savepoint FROM "SAVEPOINT s";
EXECUTE set_savepoint;
DEALLOCATE PREPARE set_savepoint;
END|
ERROR 0A000: Dynamic SQL is not allowed in stored function or trigger
connection node_2;
SAVEPOINT in SP called from a trigger should be forbidden
CREATE PROCEDURE p1() BEGIN
SAVEPOINT s;
END|
connection node_1;
CREATE TRIGGER i5_t1 BEFORE INSERT ON t1 FOR EACH ROW CALL p1;
INSERT INTO t1 VALUES (6);
DROP TRIGGER i5_t1;
SAVEPOINT in a SP called from a PS called from a trigger be forbidden
PREPARE call_p1 FROM "CALL p1";
CREATE TRIGGER i6_t1 BEFORE INSERT ON t1 FOR EACH ROW EXECUTE call_p1;
ERROR 0A000: Dynamic SQL is not allowed in stored function or trigger
SAVEPOINT in a function called from a trigger should be forbidden
CREATE FUNCTION f1 () RETURNS INT BEGIN
SAVEPOINT s;
RETURN 1;
END|
CREATE TRIGGER i7_t1 BEFORE INSERT ON t1 FOR EACH ROW SET @foo = f1();
INSERT INTO t1 VALUES (7);
DROP TRIGGER i7_t1;
SAVEPOINT in a SP called from a SP called from a trigger should be forbidden
CREATE PROCEDURE p2() BEGIN
CALL p1();
END|
CREATE TRIGGER i8_t1 BEFORE INSERT ON t1 FOR EACH ROW CALL p2;
INSERT INTO t1 VALUES (8);
DROP TRIGGER i8_t1;
SAVEPOINT in a SP called from a trigger called from a SP should be forbidden
CREATE TRIGGER i9_t1 BEFORE INSERT ON t1 FOR EACH ROW CALL p1;
CREATE PROCEDURE p3() BEGIN
INSERT INTO t1 VALUES (9);
END|
CALL p3();
DROP TRIGGER i9_t1;
ROLLBACK TO SAVEPOINT in trigger as a trivial statement should be forbidden
CREATE TRIGGER i4_t1 BEFORE INSERT ON t1 FOR EACH ROW ROLLBACK TO SAVEPOINT s;
BEGIN;
SAVEPOINT s;
INSERT INTO t1 VALUES (5);
ERROR 42000: SAVEPOINT s does not exist
COMMIT;
DROP TRIGGER i4_t1;
ROLLBACK TO SAVEPOINT in a trigger in a SP call should be forbidden
CREATE PROCEDURE p4() BEGIN
ROLLBACK TO SAVEPOINT s;
END|
CREATE TRIGGER i5_t1 BEFORE INSERT ON t1 FOR EACH ROW CALL p4;
BEGIN;
SAVEPOINT s;
INSERT INTO t1 VALUES (6);
ERROR 42000: SAVEPOINT s does not exist
COMMIT;
DROP TRIGGER i5_t1;
SAVEPOINT in a SP next to a trigger should work
CREATE TRIGGER i6_t1 BEFORE INSERT ON t1 FOR EACH ROW SET NEW.a = NEW.a + 1;
CREATE PROCEDURE p5() BEGIN
SAVEPOINT s;
INSERT INTO t1 VALUES (10);
ROLLBACK TO SAVEPOINT s;
END|
BEGIN;
CALL p5();
COMMIT;
DROP TRIGGER i6_t1;
connection node_2;
create trigger t1 before insert on t1 for each row
begin
insert into t2 values (NULL);
end|
connection node_1;
INSERT INTO t1 VALUES (201), (202), (203);
connection node_1;
SELECT * FROM t1;
a
5
6
7
8
9
201
202
203
SELECT COUNT(*) FROM t2;
COUNT(*)
3
connection node_2;
SELECT * FROM t1;
a
5
6
7
8
9
201
202
203
SELECT COUNT(*) FROM t2;
COUNT(*)
3
connection node_1;
DEALLOCATE PREPARE call_p1;
connection node_2;
DROP TABLE t1, t2;
DROP PROCEDURE p1;
DROP PROCEDURE p2;
DROP PROCEDURE p3;
DROP PROCEDURE p4;
DROP PROCEDURE p5;
DROP FUNCTION f1;
|