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mirror of https://github.com/MariaDB/server.git synced 2025-08-08 11:22:35 +03:00
This commit is contained in:
Brave Galera Crew
2019-01-23 15:30:00 +04:00
committed by Sergey Vojtovich
parent 382115b992
commit 36a2a185fe
791 changed files with 28035 additions and 8865 deletions

View File

@@ -0,0 +1,752 @@
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY, f2 VARCHAR(1)) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1, 'x'), (2, 'x'), (4, 'x'), (5, 'x');
START TRANSACTION;
UPDATE t1 SET f2 = 'a' WHERE f1 = 1;
UPDATE t1 SET f2 = 'a' WHERE f1 = 4;
UPDATE t1 SET f2 = 'a' WHERE f1 = 5;
START TRANSACTION;
SET SESSION wsrep_trx_fragment_size = 1;
INSERT INTO t1 VALUES (3, 'b');
UPDATE t1 SET f2 = 'b' WHERE f1 = 2;
SELECT * FROM t1;
f1 f2
1 x
2 x
4 x
5 x
SET AUTOCOMMIT=ON;
INSERT INTO t1 VALUES (3, 'c');
SELECT * FROM t1;
f1 f2
1 x
2 x
4 x
5 x
UPDATE t1 SET f2 = 'a' WHERE f1 = 2;
SET DEBUG_SYNC = 'wsrep_before_SR_rollback SIGNAL wait WAIT_FOR continue';
UPDATE t1 SET f2 = 'b' WHERE f1 = 1;
SET DEBUG_SYNC = 'now WAIT_FOR wait';
SET DEBUG_SYNC = 'now SIGNAL continue';
UPDATE t1 SET f2 = 'x' WHERE f1 = 3;
COMMIT;
ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
SELECT * FROM t1;
f1 f2
1 a
2 a
3 x
4 a
5 a
SELECT * FROM t1;
f1 f2
1 a
2 a
3 x
4 a
5 a
DROP TABLE t1;
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY, f2 VARCHAR(1)) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1, 'x'), (2, 'x'), (4, 'x'), (5, 'x');
START TRANSACTION;
UPDATE t1 SET f2 = 'a' WHERE f1 = 1;
UPDATE t1 SET f2 = 'a' WHERE f1 = 4;
UPDATE t1 SET f2 = 'a' WHERE f1 = 5;
START TRANSACTION;
SET SESSION wsrep_trx_fragment_size = 1;
INSERT INTO t1 VALUES (3, 'b');
UPDATE t1 SET f2 = 'b' WHERE f1 = 2;
SELECT * FROM t1;
f1 f2
1 x
2 x
4 x
5 x
SET AUTOCOMMIT=ON;
INSERT INTO t1 VALUES (3, 'c');
SELECT * FROM t1;
f1 f2
1 x
2 x
4 x
5 x
UPDATE t1 SET f2 = 'a' WHERE f1 = 2;
SET DEBUG_SYNC = 'wsrep_before_SR_rollback SIGNAL wait WAIT_FOR continue';
UPDATE t1 SET f2 = 'b' WHERE f1 = 1;
SET DEBUG_SYNC = 'now WAIT_FOR wait';
SET DEBUG_SYNC = 'now SIGNAL continue';
UPDATE t1 SET f2 = 'x' WHERE f1 = 3;
COMMIT;
ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
SELECT * FROM t1;
f1 f2
1 a
2 a
3 x
4 a
5 a
SELECT * FROM t1;
f1 f2
1 a
2 a
3 x
4 a
5 a
DROP TABLE t1;
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY, f2 VARCHAR(1)) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1, 'x'), (2, 'x'), (4, 'x'), (5, 'x');
START TRANSACTION;
UPDATE t1 SET f2 = 'a' WHERE f1 = 1;
UPDATE t1 SET f2 = 'a' WHERE f1 = 4;
UPDATE t1 SET f2 = 'a' WHERE f1 = 5;
START TRANSACTION;
SET SESSION wsrep_trx_fragment_size = 1;
INSERT INTO t1 VALUES (3, 'b');
UPDATE t1 SET f2 = 'b' WHERE f1 = 2;
SELECT * FROM t1;
f1 f2
1 x
2 x
4 x
5 x
SET AUTOCOMMIT=ON;
INSERT INTO t1 VALUES (3, 'c');
SELECT * FROM t1;
f1 f2
1 x
2 x
4 x
5 x
UPDATE t1 SET f2 = 'a' WHERE f1 = 2;
SET DEBUG_SYNC = 'wsrep_before_SR_rollback SIGNAL wait WAIT_FOR continue';
UPDATE t1 SET f2 = 'b' WHERE f1 = 1;
SET DEBUG_SYNC = 'now WAIT_FOR wait';
SET DEBUG_SYNC = 'now SIGNAL continue';
UPDATE t1 SET f2 = 'x' WHERE f1 = 3;
COMMIT;
ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
SELECT * FROM t1;
f1 f2
1 a
2 a
3 x
4 a
5 a
SELECT * FROM t1;
f1 f2
1 a
2 a
3 x
4 a
5 a
DROP TABLE t1;
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY, f2 VARCHAR(1)) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1, 'x'), (2, 'x'), (4, 'x'), (5, 'x');
START TRANSACTION;
UPDATE t1 SET f2 = 'a' WHERE f1 = 1;
UPDATE t1 SET f2 = 'a' WHERE f1 = 4;
UPDATE t1 SET f2 = 'a' WHERE f1 = 5;
START TRANSACTION;
SET SESSION wsrep_trx_fragment_size = 1;
INSERT INTO t1 VALUES (3, 'b');
UPDATE t1 SET f2 = 'b' WHERE f1 = 2;
SELECT * FROM t1;
f1 f2
1 x
2 x
4 x
5 x
SET AUTOCOMMIT=ON;
INSERT INTO t1 VALUES (3, 'c');
SELECT * FROM t1;
f1 f2
1 x
2 x
4 x
5 x
UPDATE t1 SET f2 = 'a' WHERE f1 = 2;
SET DEBUG_SYNC = 'wsrep_before_SR_rollback SIGNAL wait WAIT_FOR continue';
UPDATE t1 SET f2 = 'b' WHERE f1 = 1;
SET DEBUG_SYNC = 'now WAIT_FOR wait';
SET DEBUG_SYNC = 'now SIGNAL continue';
UPDATE t1 SET f2 = 'x' WHERE f1 = 3;
COMMIT;
ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
SELECT * FROM t1;
f1 f2
1 a
2 a
3 x
4 a
5 a
SELECT * FROM t1;
f1 f2
1 a
2 a
3 x
4 a
5 a
DROP TABLE t1;
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY, f2 VARCHAR(1)) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1, 'x'), (2, 'x'), (4, 'x'), (5, 'x');
START TRANSACTION;
UPDATE t1 SET f2 = 'a' WHERE f1 = 1;
UPDATE t1 SET f2 = 'a' WHERE f1 = 4;
UPDATE t1 SET f2 = 'a' WHERE f1 = 5;
START TRANSACTION;
SET SESSION wsrep_trx_fragment_size = 1;
INSERT INTO t1 VALUES (3, 'b');
UPDATE t1 SET f2 = 'b' WHERE f1 = 2;
SELECT * FROM t1;
f1 f2
1 x
2 x
4 x
5 x
SET AUTOCOMMIT=ON;
INSERT INTO t1 VALUES (3, 'c');
SELECT * FROM t1;
f1 f2
1 x
2 x
4 x
5 x
UPDATE t1 SET f2 = 'a' WHERE f1 = 2;
SET DEBUG_SYNC = 'wsrep_before_SR_rollback SIGNAL wait WAIT_FOR continue';
UPDATE t1 SET f2 = 'b' WHERE f1 = 1;
SET DEBUG_SYNC = 'now WAIT_FOR wait';
SET DEBUG_SYNC = 'now SIGNAL continue';
UPDATE t1 SET f2 = 'x' WHERE f1 = 3;
COMMIT;
ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
SELECT * FROM t1;
f1 f2
1 a
2 a
3 x
4 a
5 a
SELECT * FROM t1;
f1 f2
1 a
2 a
3 x
4 a
5 a
DROP TABLE t1;
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY, f2 VARCHAR(1)) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1, 'x'), (2, 'x'), (4, 'x'), (5, 'x');
START TRANSACTION;
UPDATE t1 SET f2 = 'a' WHERE f1 = 1;
UPDATE t1 SET f2 = 'a' WHERE f1 = 4;
UPDATE t1 SET f2 = 'a' WHERE f1 = 5;
START TRANSACTION;
SET SESSION wsrep_trx_fragment_size = 1;
INSERT INTO t1 VALUES (3, 'b');
UPDATE t1 SET f2 = 'b' WHERE f1 = 2;
SELECT * FROM t1;
f1 f2
1 x
2 x
4 x
5 x
SET AUTOCOMMIT=ON;
INSERT INTO t1 VALUES (3, 'c');
SELECT * FROM t1;
f1 f2
1 x
2 x
4 x
5 x
UPDATE t1 SET f2 = 'a' WHERE f1 = 2;
SET DEBUG_SYNC = 'wsrep_before_SR_rollback SIGNAL wait WAIT_FOR continue';
UPDATE t1 SET f2 = 'b' WHERE f1 = 1;
SET DEBUG_SYNC = 'now WAIT_FOR wait';
SET DEBUG_SYNC = 'now SIGNAL continue';
UPDATE t1 SET f2 = 'x' WHERE f1 = 3;
COMMIT;
ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
SELECT * FROM t1;
f1 f2
1 a
2 a
3 x
4 a
5 a
SELECT * FROM t1;
f1 f2
1 a
2 a
3 x
4 a
5 a
DROP TABLE t1;
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY, f2 VARCHAR(1)) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1, 'x'), (2, 'x'), (4, 'x'), (5, 'x');
START TRANSACTION;
UPDATE t1 SET f2 = 'a' WHERE f1 = 1;
UPDATE t1 SET f2 = 'a' WHERE f1 = 4;
UPDATE t1 SET f2 = 'a' WHERE f1 = 5;
START TRANSACTION;
SET SESSION wsrep_trx_fragment_size = 1;
INSERT INTO t1 VALUES (3, 'b');
UPDATE t1 SET f2 = 'b' WHERE f1 = 2;
SELECT * FROM t1;
f1 f2
1 x
2 x
4 x
5 x
SET AUTOCOMMIT=ON;
INSERT INTO t1 VALUES (3, 'c');
SELECT * FROM t1;
f1 f2
1 x
2 x
4 x
5 x
UPDATE t1 SET f2 = 'a' WHERE f1 = 2;
SET DEBUG_SYNC = 'wsrep_before_SR_rollback SIGNAL wait WAIT_FOR continue';
UPDATE t1 SET f2 = 'b' WHERE f1 = 1;
SET DEBUG_SYNC = 'now WAIT_FOR wait';
SET DEBUG_SYNC = 'now SIGNAL continue';
UPDATE t1 SET f2 = 'x' WHERE f1 = 3;
COMMIT;
ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
SELECT * FROM t1;
f1 f2
1 a
2 a
3 x
4 a
5 a
SELECT * FROM t1;
f1 f2
1 a
2 a
3 x
4 a
5 a
DROP TABLE t1;
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY, f2 VARCHAR(1)) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1, 'x'), (2, 'x'), (4, 'x'), (5, 'x');
START TRANSACTION;
UPDATE t1 SET f2 = 'a' WHERE f1 = 1;
UPDATE t1 SET f2 = 'a' WHERE f1 = 4;
UPDATE t1 SET f2 = 'a' WHERE f1 = 5;
START TRANSACTION;
SET SESSION wsrep_trx_fragment_size = 1;
INSERT INTO t1 VALUES (3, 'b');
UPDATE t1 SET f2 = 'b' WHERE f1 = 2;
SELECT * FROM t1;
f1 f2
1 x
2 x
4 x
5 x
SET AUTOCOMMIT=ON;
INSERT INTO t1 VALUES (3, 'c');
SELECT * FROM t1;
f1 f2
1 x
2 x
4 x
5 x
UPDATE t1 SET f2 = 'a' WHERE f1 = 2;
SET DEBUG_SYNC = 'wsrep_before_SR_rollback SIGNAL wait WAIT_FOR continue';
UPDATE t1 SET f2 = 'b' WHERE f1 = 1;
SET DEBUG_SYNC = 'now WAIT_FOR wait';
SET DEBUG_SYNC = 'now SIGNAL continue';
UPDATE t1 SET f2 = 'x' WHERE f1 = 3;
COMMIT;
ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
SELECT * FROM t1;
f1 f2
1 a
2 a
3 x
4 a
5 a
SELECT * FROM t1;
f1 f2
1 a
2 a
3 x
4 a
5 a
DROP TABLE t1;
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY, f2 VARCHAR(1)) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1, 'x'), (2, 'x'), (4, 'x'), (5, 'x');
START TRANSACTION;
UPDATE t1 SET f2 = 'a' WHERE f1 = 1;
UPDATE t1 SET f2 = 'a' WHERE f1 = 4;
UPDATE t1 SET f2 = 'a' WHERE f1 = 5;
START TRANSACTION;
SET SESSION wsrep_trx_fragment_size = 1;
INSERT INTO t1 VALUES (3, 'b');
UPDATE t1 SET f2 = 'b' WHERE f1 = 2;
SELECT * FROM t1;
f1 f2
1 x
2 x
4 x
5 x
SET AUTOCOMMIT=ON;
INSERT INTO t1 VALUES (3, 'c');
SELECT * FROM t1;
f1 f2
1 x
2 x
4 x
5 x
UPDATE t1 SET f2 = 'a' WHERE f1 = 2;
SET DEBUG_SYNC = 'wsrep_before_SR_rollback SIGNAL wait WAIT_FOR continue';
UPDATE t1 SET f2 = 'b' WHERE f1 = 1;
SET DEBUG_SYNC = 'now WAIT_FOR wait';
SET DEBUG_SYNC = 'now SIGNAL continue';
UPDATE t1 SET f2 = 'x' WHERE f1 = 3;
COMMIT;
ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
SELECT * FROM t1;
f1 f2
1 a
2 a
3 x
4 a
5 a
SELECT * FROM t1;
f1 f2
1 a
2 a
3 x
4 a
5 a
DROP TABLE t1;
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY, f2 VARCHAR(1)) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1, 'x'), (2, 'x'), (4, 'x'), (5, 'x');
START TRANSACTION;
UPDATE t1 SET f2 = 'a' WHERE f1 = 1;
UPDATE t1 SET f2 = 'a' WHERE f1 = 4;
UPDATE t1 SET f2 = 'a' WHERE f1 = 5;
START TRANSACTION;
SET SESSION wsrep_trx_fragment_size = 1;
INSERT INTO t1 VALUES (3, 'b');
UPDATE t1 SET f2 = 'b' WHERE f1 = 2;
SELECT * FROM t1;
f1 f2
1 x
2 x
4 x
5 x
SET AUTOCOMMIT=ON;
INSERT INTO t1 VALUES (3, 'c');
SELECT * FROM t1;
f1 f2
1 x
2 x
4 x
5 x
UPDATE t1 SET f2 = 'a' WHERE f1 = 2;
SET DEBUG_SYNC = 'wsrep_before_SR_rollback SIGNAL wait WAIT_FOR continue';
UPDATE t1 SET f2 = 'b' WHERE f1 = 1;
SET DEBUG_SYNC = 'now WAIT_FOR wait';
SET DEBUG_SYNC = 'now SIGNAL continue';
UPDATE t1 SET f2 = 'x' WHERE f1 = 3;
COMMIT;
ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
SELECT * FROM t1;
f1 f2
1 a
2 a
3 x
4 a
5 a
SELECT * FROM t1;
f1 f2
1 a
2 a
3 x
4 a
5 a
DROP TABLE t1;
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY, f2 VARCHAR(1)) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1, 'x'), (2, 'x'), (4, 'x'), (5, 'x');
START TRANSACTION;
UPDATE t1 SET f2 = 'a' WHERE f1 = 1;
UPDATE t1 SET f2 = 'a' WHERE f1 = 4;
UPDATE t1 SET f2 = 'a' WHERE f1 = 5;
START TRANSACTION;
SET SESSION wsrep_trx_fragment_size = 1;
INSERT INTO t1 VALUES (3, 'b');
UPDATE t1 SET f2 = 'b' WHERE f1 = 2;
SELECT * FROM t1;
f1 f2
1 x
2 x
4 x
5 x
SET AUTOCOMMIT=ON;
INSERT INTO t1 VALUES (3, 'c');
SELECT * FROM t1;
f1 f2
1 x
2 x
4 x
5 x
UPDATE t1 SET f2 = 'a' WHERE f1 = 2;
SET DEBUG_SYNC = 'wsrep_before_SR_rollback SIGNAL wait WAIT_FOR continue';
UPDATE t1 SET f2 = 'b' WHERE f1 = 1;
SET DEBUG_SYNC = 'now WAIT_FOR wait';
SET DEBUG_SYNC = 'now SIGNAL continue';
UPDATE t1 SET f2 = 'x' WHERE f1 = 3;
COMMIT;
ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
SELECT * FROM t1;
f1 f2
1 a
2 a
3 x
4 a
5 a
SELECT * FROM t1;
f1 f2
1 a
2 a
3 x
4 a
5 a
DROP TABLE t1;
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY, f2 VARCHAR(1)) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1, 'x'), (2, 'x'), (4, 'x'), (5, 'x');
START TRANSACTION;
UPDATE t1 SET f2 = 'a' WHERE f1 = 1;
UPDATE t1 SET f2 = 'a' WHERE f1 = 4;
UPDATE t1 SET f2 = 'a' WHERE f1 = 5;
START TRANSACTION;
SET SESSION wsrep_trx_fragment_size = 1;
INSERT INTO t1 VALUES (3, 'b');
UPDATE t1 SET f2 = 'b' WHERE f1 = 2;
SELECT * FROM t1;
f1 f2
1 x
2 x
4 x
5 x
SET AUTOCOMMIT=ON;
INSERT INTO t1 VALUES (3, 'c');
SELECT * FROM t1;
f1 f2
1 x
2 x
4 x
5 x
UPDATE t1 SET f2 = 'a' WHERE f1 = 2;
SET DEBUG_SYNC = 'wsrep_before_SR_rollback SIGNAL wait WAIT_FOR continue';
UPDATE t1 SET f2 = 'b' WHERE f1 = 1;
SET DEBUG_SYNC = 'now WAIT_FOR wait';
SET DEBUG_SYNC = 'now SIGNAL continue';
UPDATE t1 SET f2 = 'x' WHERE f1 = 3;
COMMIT;
ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
SELECT * FROM t1;
f1 f2
1 a
2 a
3 x
4 a
5 a
SELECT * FROM t1;
f1 f2
1 a
2 a
3 x
4 a
5 a
DROP TABLE t1;
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY, f2 VARCHAR(1)) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1, 'x'), (2, 'x'), (4, 'x'), (5, 'x');
START TRANSACTION;
UPDATE t1 SET f2 = 'a' WHERE f1 = 1;
UPDATE t1 SET f2 = 'a' WHERE f1 = 4;
UPDATE t1 SET f2 = 'a' WHERE f1 = 5;
START TRANSACTION;
SET SESSION wsrep_trx_fragment_size = 1;
INSERT INTO t1 VALUES (3, 'b');
UPDATE t1 SET f2 = 'b' WHERE f1 = 2;
SELECT * FROM t1;
f1 f2
1 x
2 x
4 x
5 x
SET AUTOCOMMIT=ON;
INSERT INTO t1 VALUES (3, 'c');
SELECT * FROM t1;
f1 f2
1 x
2 x
4 x
5 x
UPDATE t1 SET f2 = 'a' WHERE f1 = 2;
SET DEBUG_SYNC = 'wsrep_before_SR_rollback SIGNAL wait WAIT_FOR continue';
UPDATE t1 SET f2 = 'b' WHERE f1 = 1;
SET DEBUG_SYNC = 'now WAIT_FOR wait';
SET DEBUG_SYNC = 'now SIGNAL continue';
UPDATE t1 SET f2 = 'x' WHERE f1 = 3;
COMMIT;
ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
SELECT * FROM t1;
f1 f2
1 a
2 a
3 x
4 a
5 a
SELECT * FROM t1;
f1 f2
1 a
2 a
3 x
4 a
5 a
DROP TABLE t1;
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY, f2 VARCHAR(1)) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1, 'x'), (2, 'x'), (4, 'x'), (5, 'x');
START TRANSACTION;
UPDATE t1 SET f2 = 'a' WHERE f1 = 1;
UPDATE t1 SET f2 = 'a' WHERE f1 = 4;
UPDATE t1 SET f2 = 'a' WHERE f1 = 5;
START TRANSACTION;
SET SESSION wsrep_trx_fragment_size = 1;
INSERT INTO t1 VALUES (3, 'b');
UPDATE t1 SET f2 = 'b' WHERE f1 = 2;
SELECT * FROM t1;
f1 f2
1 x
2 x
4 x
5 x
SET AUTOCOMMIT=ON;
INSERT INTO t1 VALUES (3, 'c');
SELECT * FROM t1;
f1 f2
1 x
2 x
4 x
5 x
UPDATE t1 SET f2 = 'a' WHERE f1 = 2;
SET DEBUG_SYNC = 'wsrep_before_SR_rollback SIGNAL wait WAIT_FOR continue';
UPDATE t1 SET f2 = 'b' WHERE f1 = 1;
SET DEBUG_SYNC = 'now WAIT_FOR wait';
SET DEBUG_SYNC = 'now SIGNAL continue';
UPDATE t1 SET f2 = 'x' WHERE f1 = 3;
COMMIT;
ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
SELECT * FROM t1;
f1 f2
1 a
2 a
3 x
4 a
5 a
SELECT * FROM t1;
f1 f2
1 a
2 a
3 x
4 a
5 a
DROP TABLE t1;
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY, f2 VARCHAR(1)) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1, 'x'), (2, 'x'), (4, 'x'), (5, 'x');
START TRANSACTION;
UPDATE t1 SET f2 = 'a' WHERE f1 = 1;
UPDATE t1 SET f2 = 'a' WHERE f1 = 4;
UPDATE t1 SET f2 = 'a' WHERE f1 = 5;
START TRANSACTION;
SET SESSION wsrep_trx_fragment_size = 1;
INSERT INTO t1 VALUES (3, 'b');
UPDATE t1 SET f2 = 'b' WHERE f1 = 2;
SELECT * FROM t1;
f1 f2
1 x
2 x
4 x
5 x
SET AUTOCOMMIT=ON;
INSERT INTO t1 VALUES (3, 'c');
SELECT * FROM t1;
f1 f2
1 x
2 x
4 x
5 x
UPDATE t1 SET f2 = 'a' WHERE f1 = 2;
SET DEBUG_SYNC = 'wsrep_before_SR_rollback SIGNAL wait WAIT_FOR continue';
UPDATE t1 SET f2 = 'b' WHERE f1 = 1;
SET DEBUG_SYNC = 'now WAIT_FOR wait';
SET DEBUG_SYNC = 'now SIGNAL continue';
UPDATE t1 SET f2 = 'x' WHERE f1 = 3;
COMMIT;
ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
SELECT * FROM t1;
f1 f2
1 a
2 a
3 x
4 a
5 a
SELECT * FROM t1;
f1 f2
1 a
2 a
3 x
4 a
5 a
DROP TABLE t1;
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY, f2 VARCHAR(1)) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1, 'x'), (2, 'x'), (4, 'x'), (5, 'x');
START TRANSACTION;
UPDATE t1 SET f2 = 'a' WHERE f1 = 1;
UPDATE t1 SET f2 = 'a' WHERE f1 = 4;
UPDATE t1 SET f2 = 'a' WHERE f1 = 5;
START TRANSACTION;
SET SESSION wsrep_trx_fragment_size = 1;
INSERT INTO t1 VALUES (3, 'b');
UPDATE t1 SET f2 = 'b' WHERE f1 = 2;
SELECT * FROM t1;
f1 f2
1 x
2 x
4 x
5 x
SET AUTOCOMMIT=ON;
INSERT INTO t1 VALUES (3, 'c');
SELECT * FROM t1;
f1 f2
1 x
2 x
4 x
5 x
UPDATE t1 SET f2 = 'a' WHERE f1 = 2;
SET DEBUG_SYNC = 'wsrep_before_SR_rollback SIGNAL wait WAIT_FOR continue';
UPDATE t1 SET f2 = 'b' WHERE f1 = 1;
SET DEBUG_SYNC = 'now WAIT_FOR wait';
SET DEBUG_SYNC = 'now SIGNAL continue';
UPDATE t1 SET f2 = 'x' WHERE f1 = 3;
COMMIT;
ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
SELECT * FROM t1;
f1 f2
1 a
2 a
3 x
4 a
5 a
SELECT * FROM t1;
f1 f2
1 a
2 a
3 x
4 a
5 a
DROP TABLE t1;