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MDL BF-BF conflict on ALTER and UPDATE with multi-level foreign key parents #4046

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MDL BF-BF conflict on ALTER and UPDATE with multi-level foreign key parents #4046

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362 changes: 362 additions & 0 deletions mysql-test/suite/galera/r/galera_multi_level_fk_ddl_delete.result
View file
Original file line number Diff line number Diff line change
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connection node_2;
connection node_1;
#
# 1. BF-BF conflict on MDL locks between: DROP TABLE t6 and DELETE on t1
# with foreign key references as below:
# - t1<-t2<-t3<-t4
# - t3<-t5
# - t2<-t6
#
connection node_2;
SET GLOBAL wsrep_slave_threads=2;
CREATE TABLE t1 (
id INTEGER PRIMARY KEY,
f2 INTEGER
);
CREATE TABLE t2 (
id INT PRIMARY KEY,
t1_id INT NOT NULL,
t5_id INT NOT NULL,
f2 INTEGER NOT NULL,
KEY key_t1_id(t1_id),
CONSTRAINT key_t1_id FOREIGN KEY (t1_id) REFERENCES t1 (id) ON UPDATE CASCADE ON DELETE CASCADE,
KEY key_t5_id(t5_id)
);
CREATE TABLE t3 (
id INT PRIMARY KEY,
t2_id INT NOT NULL,
f2 INTEGER NOT NULL,
KEY key_t2_id(t2_id),
CONSTRAINT key_t2_id FOREIGN KEY (t2_id) REFERENCES t2 (id) ON UPDATE CASCADE ON DELETE CASCADE
);
CREATE TABLE t4 (
id INT PRIMARY KEY,
t3_id INT NOT NULL,
f2 INTEGER NOT NULL,
KEY key_t3_id(t3_id),
CONSTRAINT key_t3_id FOREIGN KEY (t3_id) REFERENCES t3 (id) ON UPDATE CASCADE ON DELETE CASCADE
);
CREATE TABLE t5 (
id INT PRIMARY KEY,
t3_id_1 INT NOT NULL,
f2 INTEGER NOT NULL,
KEY key_t3_id_1(t3_id_1),
CONSTRAINT key_t3_id_1 FOREIGN KEY (t3_id_1) REFERENCES t3 (id) ON UPDATE CASCADE ON DELETE CASCADE
);
CREATE TABLE t6 (
id INT PRIMARY KEY,
t2_id INT NOT NULL,
f2 INTEGER NOT NULL,
KEY key_t2_id_1(t2_id),
CONSTRAINT key_t2_id_1 FOREIGN KEY (t2_id) REFERENCES t2 (id) ON UPDATE CASCADE ON DELETE CASCADE
);
INSERT INTO t1 VALUES (1,0);
INSERT INTO t1 VALUES (2,0);
INSERT INTO t1 VALUES (3,0);
INSERT INTO t2 VALUES (1,1,1,1234);
INSERT INTO t2 VALUES (2,2,2,1234);
INSERT INTO t3 VALUES (1,1,1234);
INSERT INTO t3 VALUES (2,2,1234);
INSERT INTO t4 VALUES (1,1,1234);
INSERT INTO t4 VALUES (2,2,1234);
INSERT INTO t5 VALUES (1,1,1234);
INSERT INTO t5 VALUES (2,2,1234);
ALTER TABLE t2 ADD CONSTRAINT key_t5_id FOREIGN KEY (t5_id)
REFERENCES t5 (id) ON UPDATE CASCADE ON DELETE CASCADE;
connection node_1;
connection node_2;
SET GLOBAL DEBUG_DBUG = '+d,sync.wsrep_apply_toi';
connection node_1;
DROP TABLE t6;
connection node_2;
SET DEBUG_SYNC = "now WAIT_FOR sync.wsrep_apply_toi_reached";
SET SESSION wsrep_sync_wait = 0;
connection node_1;
SET GLOBAL DEBUG_DBUG = '+d,wsrep_print_foreign_keys_table';
START TRANSACTION;
DELETE FROM t1 WHERE id = 3;
COMMIT;
connection node_2;
SET GLOBAL DEBUG_DBUG = '-d,sync.wsrep_apply_toi';
SET DEBUG_SYNC = "now SIGNAL signal.wsrep_apply_toi";
SET DEBUG_SYNC = 'RESET';
SET GLOBAL DEBUG_DBUG = "";
SET GLOBAL wsrep_slave_threads=DEFAULT;
connection node_1;
SET DEBUG_SYNC = 'RESET';
SET GLOBAL DEBUG_DBUG = "";
SET GLOBAL wsrep_slave_threads=DEFAULT;
connection node_1;
include/assert_grep.inc [Foreign key referenced table found: 4 tables]
include/assert_grep.inc [Foreign key referenced table found: test.t2]
include/assert_grep.inc [Foreign key referenced table found: test.t3]
include/assert_grep.inc [Foreign key referenced table found: test.t4]
include/assert_grep.inc [Foreign key referenced table found: test.t5]
connection node_2;
select * from t1;
id f2
1 0
2 0
select * from t2;
id t1_id t5_id f2
1 1 1 1234
2 2 2 1234
select * from t3;
id t2_id f2
1 1 1234
2 2 1234
select * from t4;
id t3_id f2
1 1 1234
2 2 1234
select * from t5;
id t3_id_1 f2
1 1 1234
2 2 1234
select * from t6;
ERROR 42S02: Table 'test.t6' doesn't exist
connection node_1;
select * from t1;
id f2
1 0
2 0
select * from t2;
id t1_id t5_id f2
1 1 1 1234
2 2 2 1234
select * from t3;
id t2_id f2
1 1 1234
2 2 1234
select * from t4;
id t3_id f2
1 1 1234
2 2 1234
select * from t5;
id t3_id_1 f2
1 1 1234
2 2 1234
select * from t6;
ERROR 42S02: Table 'test.t6' doesn't exist
ALTER TABLE t2 DROP FOREIGN KEY key_t5_id;
DROP TABLE t5, t4, t3, t2, t1;
#
# 2. BF-BF conflict on MDL locks between:
# ALTER TABLE t3 (whose parent table are t3 -> t2 -> t1), and
# DELETE on t1 with t2 referencing t1, and t3 referencing t2.
#
connection node_2;
SET GLOBAL wsrep_slave_threads=2;
CREATE TABLE t1 (
id INTEGER PRIMARY KEY,
f2 INTEGER
);
CREATE TABLE t2 (
id INT PRIMARY KEY,
t1_id INT NOT NULL,
f2 INTEGER NOT NULL,
KEY key_t1_id(t1_id),
CONSTRAINT key_t1_id FOREIGN KEY (t1_id) REFERENCES t1 (id) ON UPDATE CASCADE ON DELETE CASCADE
);
CREATE TABLE t3 (
id INT PRIMARY KEY,
t2_id INT NOT NULL,
f2 INTEGER NOT NULL,
KEY key_t2_id(t2_id)
);
INSERT INTO t1 VALUES (1,0);
INSERT INTO t1 VALUES (2,0);
INSERT INTO t1 VALUES (3,0);
INSERT INTO t2 VALUES (1,1,1234);
INSERT INTO t2 VALUES (2,2,1234);
connection node_2;
SET GLOBAL DEBUG_DBUG = '+d,sync.wsrep_apply_toi';
connection node_1;
ALTER TABLE t3 ADD CONSTRAINT key_t2_id FOREIGN KEY (t2_id) REFERENCES t2 (id) ON UPDATE CASCADE ON DELETE CASCADE;
connection node_2;
SET DEBUG_SYNC = "now WAIT_FOR sync.wsrep_apply_toi_reached";
SET SESSION wsrep_sync_wait = 0;
connection node_1;
SET GLOBAL DEBUG_DBUG = '+d,wsrep_print_foreign_keys_table';
START TRANSACTION;
DELETE FROM t1 WHERE id = 3;
COMMIT;
connection node_2;
SET GLOBAL DEBUG_DBUG = '-d,sync.wsrep_apply_toi';
SET DEBUG_SYNC = "now SIGNAL signal.wsrep_apply_toi";
SET DEBUG_SYNC = 'RESET';
SET GLOBAL DEBUG_DBUG = "";
SET GLOBAL wsrep_slave_threads=DEFAULT;
connection node_1;
SET DEBUG_SYNC = 'RESET';
SET GLOBAL DEBUG_DBUG = "";
SET GLOBAL wsrep_slave_threads=DEFAULT;
connection node_1;
include/assert_grep.inc [Foreign key referenced table found: 2 tables]
include/assert_grep.inc [Foreign key referenced table found: test.t2]
include/assert_grep.inc [Foreign key referenced table found: test.t3]
connection node_2;
select * from t1;
id f2
1 0
2 0
select * from t2;
id t1_id f2
1 1 1234
2 2 1234
select * from t3;
id t2_id f2
connection node_1;
select * from t1;
id f2
1 0
2 0
select * from t2;
id t1_id f2
1 1 1234
2 2 1234
select * from t3;
id t2_id f2
DROP TABLE t3, t2, t1;
#
# 3. BF-BF conflict on MDL locks between:
# CREATE TABLE t3 (whose parent table are t3 -> t2 -> t1), and
# DELETE on t1 with t2 referencing t1, and t3 referencing t2.
#
connection node_2;
SET GLOBAL wsrep_slave_threads=2;
CREATE TABLE t1 (
id INTEGER PRIMARY KEY,
f2 INTEGER
);
CREATE TABLE t2 (
id INT PRIMARY KEY,
t1_id INT NOT NULL,
f2 INTEGER NOT NULL,
KEY key_t1_id(t1_id),
CONSTRAINT key_t1_id FOREIGN KEY (t1_id) REFERENCES t1 (id) ON UPDATE CASCADE ON DELETE CASCADE
);
INSERT INTO t1 VALUES (1,0);
INSERT INTO t1 VALUES (2,0);
INSERT INTO t1 VALUES (3,0);
INSERT INTO t2 VALUES (1,1,1234);
INSERT INTO t2 VALUES (2,2,1234);
connection node_2;
SET GLOBAL DEBUG_DBUG = '+d,sync.wsrep_apply_toi';
connection node_1;
CREATE TABLE t3 (id INT PRIMARY KEY, t2_id INT NOT NULL, f2 INTEGER NOT NULL, KEY key_t2_id(t2_id), CONSTRAINT key_t2_id FOREIGN KEY (t2_id) REFERENCES t2 (id) ON UPDATE CASCADE ON DELETE CASCADE);
connection node_2;
SET DEBUG_SYNC = "now WAIT_FOR sync.wsrep_apply_toi_reached";
SET SESSION wsrep_sync_wait = 0;
connection node_1;
SET GLOBAL DEBUG_DBUG = '+d,wsrep_print_foreign_keys_table';
START TRANSACTION;
DELETE FROM t1 WHERE id = 3;
COMMIT;
connection node_2;
SET GLOBAL DEBUG_DBUG = '-d,sync.wsrep_apply_toi';
SET DEBUG_SYNC = "now SIGNAL signal.wsrep_apply_toi";
SET DEBUG_SYNC = 'RESET';
SET GLOBAL DEBUG_DBUG = "";
SET GLOBAL wsrep_slave_threads=DEFAULT;
connection node_1;
SET DEBUG_SYNC = 'RESET';
SET GLOBAL DEBUG_DBUG = "";
SET GLOBAL wsrep_slave_threads=DEFAULT;
connection node_1;
include/assert_grep.inc [Foreign key referenced table found: 2 tables]
include/assert_grep.inc [Foreign key referenced table found: test.t2]
include/assert_grep.inc [Foreign key referenced table found: test.t3]
connection node_2;
select * from t1;
id f2
1 0
2 0
select * from t2;
id t1_id f2
1 1 1234
2 2 1234
select * from t3;
id t2_id f2
connection node_1;
select * from t1;
id f2
1 0
2 0
select * from t2;
id t1_id f2
1 1 1234
2 2 1234
select * from t3;
id t2_id f2
DROP TABLE t3, t2, t1;
#
# 4. BF-BF conflict on MDL locks between:
# OPTIMIZE TABLE t2 (whose parent table are t2 -> t1), and
# DELETE on t1.
#
connection node_2;
SET GLOBAL wsrep_slave_threads=2;
CREATE TABLE t1 (
id INTEGER PRIMARY KEY,
f2 INTEGER
);
CREATE TABLE t2 (
id INT PRIMARY KEY,
t1_id INT NOT NULL,
f2 INTEGER NOT NULL,
KEY key_t1_id(t1_id),
CONSTRAINT key_t1_id FOREIGN KEY (t1_id) REFERENCES t1 (id) ON UPDATE CASCADE ON DELETE CASCADE
);
INSERT INTO t1 VALUES (1,0);
INSERT INTO t1 VALUES (2,0);
INSERT INTO t1 VALUES (3,0);
INSERT INTO t2 VALUES (1,1,1234);
INSERT INTO t2 VALUES (2,2,1234);
connection node_2;
SET GLOBAL DEBUG_DBUG = '+d,sync.wsrep_apply_toi';
connection node_1;
OPTIMIZE TABLE t2;
Table Op Msg_type Msg_text
test.t2 optimize note Table does not support optimize, doing recreate + analyze instead
test.t2 optimize status OK
connection node_2;
SET DEBUG_SYNC = "now WAIT_FOR sync.wsrep_apply_toi_reached";
SET SESSION wsrep_sync_wait = 0;
connection node_1;
SET GLOBAL DEBUG_DBUG = '+d,wsrep_print_foreign_keys_table';
START TRANSACTION;
DELETE FROM t1 WHERE id = 3;
COMMIT;
connection node_2;
SET GLOBAL DEBUG_DBUG = '-d,sync.wsrep_apply_toi';
SET DEBUG_SYNC = "now SIGNAL signal.wsrep_apply_toi";
SET DEBUG_SYNC = 'RESET';
SET GLOBAL DEBUG_DBUG = "";
SET GLOBAL wsrep_slave_threads=DEFAULT;
connection node_1;
SET DEBUG_SYNC = 'RESET';
SET GLOBAL DEBUG_DBUG = "";
SET GLOBAL wsrep_slave_threads=DEFAULT;
connection node_1;
include/assert_grep.inc [Foreign key referenced table found: 1 tables]
include/assert_grep.inc [Foreign key referenced table found: test.t2]
connection node_2;
select * from t1;
id f2
1 0
2 0
select * from t2;
id t1_id f2
1 1 1234
2 2 1234
connection node_1;
select * from t1;
id f2
1 0
2 0
select * from t2;
id t1_id f2
1 1 1234
2 2 1234
DROP TABLE t2, t1;
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