call mtr.add_suppression("\\[Warning\\] .*MY-\\d+.* \\[Server\\] Found 1 prepared XA transactions"); INSTALL PLUGIN clone SONAME 'CLONE_PLUGIN'; CREATE TABLE t1(col1 INT PRIMARY KEY, col2 int, col3 varchar(64), col4 BLOB); CREATE TABLE t2(col1 INT PRIMARY KEY, col2 int, col3 varchar(64), col4 BLOB) PARTITION BY KEY(col1) PARTITIONS 5; CREATE PROCEDURE execute_dml( p_dml_type INT, p_key_min INT, p_key_range INT, p_loop_count INT, p_frequency INT, p_is_rand INT) BEGIN DECLARE v_idx INT DEFAULT 0; DECLARE v_commit INT DEFAULT 0; DECLARE v_key INT DEFAULT 0; /* Loop and INSERT data at random position */ WHILE(v_idx < p_loop_count) DO /* Generate key between 1 to p_loop_count */ IF p_is_rand = 1 THEN SET v_key = p_key_min + FLOOR(RAND() * p_key_range); ELSE SET v_key = p_key_min + (v_idx % p_key_range); END IF; CASE p_dml_type WHEN 0 THEN SET @clol3_text = CONCAT('Clone Test Row - ', v_key); INSERT INTO t1 VALUES(v_key, v_key * 10, @clol3_text, REPEAT('Large Column Data ', 2048)) ON DUPLICATE KEY UPDATE col2 = col2 + 1; INSERT INTO t2 VALUES(v_key, v_key * 10, @clol3_text, REPEAT('Large Column Data ', 2048)) ON DUPLICATE KEY UPDATE col2 = col2 + 1; WHEN 1 THEN UPDATE t1 SET col2 = v_idx + 1 WHERE col1 = v_key; UPDATE t2 SET col2 = v_idx + 1 WHERE col1 = v_key; WHEN 2 THEN DELETE FROM t1 WHERE col1 = v_key; DELETE FROM t2 WHERE col1 = v_key; ELSE DELETE FROM t1; DELETE FROM t2; END CASE; SET v_idx = v_idx + 1; /* Commit or rollback work at specified frequency. */ IF v_idx % p_frequency = 0 THEN SET v_commit = FLOOR(RAND() * 2); IF v_commit = 0 AND p_is_rand = 1 THEN ROLLBACK; START TRANSACTION; ELSE COMMIT; START TRANSACTION; END IF; END IF; END WHILE; END| call execute_dml(0, 0, 10, 10, 1, 0); commit; ## Test: Clone with XA transactions # In connection con1 - Start XA prepare XA start 'xa_trx_1'; update t1 set col2 = 100; XA end 'xa_trx_1'; SET DEBUG_SYNC = 'xa_block_clone SIGNAL start_clone WAIT_FOR resume_xa_1'; XA prepare 'xa_trx_1'; # In connection default - Start Cloning database SET DEBUG_SYNC = 'now WAIT_FOR start_clone'; SET DEBUG_SYNC = 'clone_wait_xa SIGNAL resume_xa_1'; SET DEBUG_SYNC = 'clone_block_xa SIGNAL resume_xa_2 WAIT_FOR resume_clone'; SET GLOBAL clone_autotune_concurrency = OFF; SET GLOBAL clone_max_concurrency = 8; CLONE LOCAL DATA DIRECTORY = 'CLONE_DATADIR'; # In connection con1 - Finish XA prepare, Start XA commit SET DEBUG_SYNC = 'now WAIT_FOR resume_xa_2'; SET DEBUG_SYNC = 'xa_wait_clone SIGNAL resume_clone'; XA commit 'xa_trx_1'; # In connection default - Finish Cloning database # In connection con1 - Finish XA Commit # In connection default SELECT count(*) from t1; count(*) 10 SELECT col1, col2, col3, SUBSTRING(col4, 1000, 32) FROM t1 ORDER BY col1; col1 col2 col3 SUBSTRING(col4, 1000, 32) 0 100 Clone Test Row - 0 umn Data Large Column Data Large 1 100 Clone Test Row - 1 umn Data Large Column Data Large 2 100 Clone Test Row - 2 umn Data Large Column Data Large 3 100 Clone Test Row - 3 umn Data Large Column Data Large 4 100 Clone Test Row - 4 umn Data Large Column Data Large 5 100 Clone Test Row - 5 umn Data Large Column Data Large 6 100 Clone Test Row - 6 umn Data Large Column Data Large 7 100 Clone Test Row - 7 umn Data Large Column Data Large 8 100 Clone Test Row - 8 umn Data Large Column Data Large 9 100 Clone Test Row - 9 umn Data Large Column Data Large # Restart cloned database # restart: --datadir=CLONE_DATADIR SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `col1` int(11) NOT NULL, `col2` int(11) DEFAULT NULL, `col3` varchar(64) DEFAULT NULL, `col4` blob, PRIMARY KEY (`col1`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci SELECT count(*) from t1; count(*) 10 SELECT col1, col2, col3, SUBSTRING(col4, 1000, 32) FROM t1 ORDER BY col1; col1 col2 col3 SUBSTRING(col4, 1000, 32) 0 0 Clone Test Row - 0 umn Data Large Column Data Large 1 10 Clone Test Row - 1 umn Data Large Column Data Large 2 20 Clone Test Row - 2 umn Data Large Column Data Large 3 30 Clone Test Row - 3 umn Data Large Column Data Large 4 40 Clone Test Row - 4 umn Data Large Column Data Large 5 50 Clone Test Row - 5 umn Data Large Column Data Large 6 60 Clone Test Row - 6 umn Data Large Column Data Large 7 70 Clone Test Row - 7 umn Data Large Column Data Large 8 80 Clone Test Row - 8 umn Data Large Column Data Large 9 90 Clone Test Row - 9 umn Data Large Column Data Large XA recover; formatID gtrid_length bqual_length data 1 8 0 xa_trx_1 XA commit 'xa_trx_1'; SELECT col1, col2, col3, SUBSTRING(col4, 1000, 32) FROM t1 ORDER BY col1; col1 col2 col3 SUBSTRING(col4, 1000, 32) 0 100 Clone Test Row - 0 umn Data Large Column Data Large 1 100 Clone Test Row - 1 umn Data Large Column Data Large 2 100 Clone Test Row - 2 umn Data Large Column Data Large 3 100 Clone Test Row - 3 umn Data Large Column Data Large 4 100 Clone Test Row - 4 umn Data Large Column Data Large 5 100 Clone Test Row - 5 umn Data Large Column Data Large 6 100 Clone Test Row - 6 umn Data Large Column Data Large 7 100 Clone Test Row - 7 umn Data Large Column Data Large 8 100 Clone Test Row - 8 umn Data Large Column Data Large 9 100 Clone Test Row - 9 umn Data Large Column Data Large call execute_dml(3, 0, 1, 1, 1, 0); call execute_dml(0, 0, 10, 10, 1, 0); SELECT count(*) from t1; count(*) 10 SELECT col1, col2, col3, SUBSTRING(col4, 1000, 32) FROM t1 ORDER BY col1; col1 col2 col3 SUBSTRING(col4, 1000, 32) 0 0 Clone Test Row - 0 umn Data Large Column Data Large 1 10 Clone Test Row - 1 umn Data Large Column Data Large 2 20 Clone Test Row - 2 umn Data Large Column Data Large 3 30 Clone Test Row - 3 umn Data Large Column Data Large 4 40 Clone Test Row - 4 umn Data Large Column Data Large 5 50 Clone Test Row - 5 umn Data Large Column Data Large 6 60 Clone Test Row - 6 umn Data Large Column Data Large 7 70 Clone Test Row - 7 umn Data Large Column Data Large 8 80 Clone Test Row - 8 umn Data Large Column Data Large 9 90 Clone Test Row - 9 umn Data Large Column Data Large # restart: DROP TABLE t1; DROP TABLE t2; DROP PROCEDURE execute_dml; UNINSTALL PLUGIN clone; SET DEBUG_SYNC = 'RESET';