call mtr.add_suppression("Can.t init tc log");
call mtr.add_suppression("Aborting");
SET @@global.sync_binlog= 1;
CREATE TABLE t1 (a INT PRIMARY KEY, b MEDIUMTEXT) ENGINE=Innodb;
CREATE TABLE t2 (a INT PRIMARY KEY, b MEDIUMTEXT) ENGINE=rocksdb;
#
#
# Case "A" : "neither engine committed => rollback & binlog truncate"
#
RESET MASTER;
FLUSH LOGS;
SET GLOBAL max_binlog_size= 4096;
connect con1,localhost,root,,;
List of binary logs before rotation
show binary logs;
Log_name	File_size
master-bin.000001	#
master-bin.000002	#
INSERT INTO t1 VALUES (1, REPEAT("x", 1));
INSERT INTO t2 VALUES (1, REPEAT("x", 1));
BEGIN;
INSERT INTO t2 VALUES (2, REPEAT("x", 4100));
INSERT INTO t1 VALUES (2, REPEAT("x", 4100));
SET DEBUG_SYNC= "commit_after_release_LOCK_log SIGNAL con1_ready WAIT_FOR signal_no_signal";
COMMIT;
connection default;
SET DEBUG_SYNC= "now WAIT_FOR con1_ready";
List of binary logs after rotation
show binary logs;
Log_name	File_size
master-bin.000001	#
master-bin.000002	#
master-bin.000003	#
# restart the server with --rpl-semi-sync-slave-enabled=1 --sync-binlog=1
# the server is restarted
# restart: --rpl-semi-sync-slave-enabled=1 --sync-binlog=1
connection default;
#
# *** Summary: 1 row should be present in both tables; binlog is truncated; number of binlogs at reconnect - 3:
#
SELECT COUNT(*) FROM t1;
COUNT(*)
1
SELECT COUNT(*) FROM t2;
COUNT(*)
1
SELECT @@GLOBAL.gtid_binlog_state;
@@GLOBAL.gtid_binlog_state
0-1-2
SELECT @@GLOBAL.gtid_binlog_pos;
@@GLOBAL.gtid_binlog_pos
0-1-2
List of binary logs at the end of the tests
show binary logs;
Log_name	File_size
master-bin.000001	#
master-bin.000002	#
master-bin.000003	#
# ***
DELETE FROM t1;
DELETE FROM t2;
disconnect con1;
#
Proof of the truncated binlog file is readable (two transactions must be seen):
/*!50530 SET @@SESSION.PSEUDO_SLAVE_MODE=1*/;
/*!40019 SET @@session.max_insert_delayed_threads=0*/;
/*!50003 SET @OLD_COMPLETION_TYPE=@@COMPLETION_TYPE,COMPLETION_TYPE=0*/;
DELIMITER /*!*/;
START TRANSACTION
/*!*/;
COMMIT/*!*/;
START TRANSACTION
/*!*/;
COMMIT/*!*/;
DELIMITER ;
# End of log file
ROLLBACK /* added by mysqlbinlog */;
/*!50003 SET COMPLETION_TYPE=@OLD_COMPLETION_TYPE*/;
/*!50530 SET @@SESSION.PSEUDO_SLAVE_MODE=0*/;
#
#
# Case "B" : "one engine has committed its transaction branch"
#
RESET MASTER;
FLUSH LOGS;
SET GLOBAL max_binlog_size= 4096;
connect con1,localhost,root,,;
List of binary logs before rotation
show binary logs;
Log_name	File_size
master-bin.000001	#
master-bin.000002	#
INSERT INTO t1 VALUES (1, REPEAT("x", 1));
INSERT INTO t2 VALUES (1, REPEAT("x", 1));
SET GLOBAL debug_dbug="d,enable_log_write_upto_crash";
BEGIN;
INSERT INTO t2 VALUES (2, REPEAT("x", 4100));
INSERT INTO t1 VALUES (2, REPEAT("x", 4100));
COMMIT;
connection default;
# restart: --rpl-semi-sync-slave-enabled=1 --sync-binlog=1
connection default;
#
# *** Summary: 2 rows should be present in both tables; no binlog truncation; one extra binlog file compare with A; number of binlogs at reconnect - 4:
#
SELECT COUNT(*) FROM t1;
COUNT(*)
2
SELECT COUNT(*) FROM t2;
COUNT(*)
2
SELECT @@GLOBAL.gtid_binlog_state;
@@GLOBAL.gtid_binlog_state
0-1-3
SELECT @@GLOBAL.gtid_binlog_pos;
@@GLOBAL.gtid_binlog_pos
0-1-3
List of binary logs at the end of the tests
show binary logs;
Log_name	File_size
master-bin.000001	#
master-bin.000002	#
master-bin.000003	#
master-bin.000004	#
# ***
DELETE FROM t1;
DELETE FROM t2;
disconnect con1;
#
#
#
# Case "C" : "both engines have committed its transaction branch"
#
RESET MASTER;
FLUSH LOGS;
SET GLOBAL max_binlog_size= 4096;
connect con1,localhost,root,,;
List of binary logs before rotation
show binary logs;
Log_name	File_size
master-bin.000001	#
master-bin.000002	#
INSERT INTO t1 VALUES (1, REPEAT("x", 1));
INSERT INTO t2 VALUES (1, REPEAT("x", 1));
BEGIN;
INSERT INTO t2 VALUES (2, REPEAT("x", 4100));
INSERT INTO t1 VALUES (2, REPEAT("x", 4100));
SET DEBUG_SYNC= "commit_after_run_commit_ordered SIGNAL con1_ready";
COMMIT;
connection default;
SET DEBUG_SYNC= "now WAIT_FOR con1_ready";
List of binary logs after rotation
show binary logs;
Log_name	File_size
master-bin.000001	#
master-bin.000002	#
master-bin.000003	#
# restart the server with --rpl-semi-sync-slave-enabled=1 --sync-binlog=1
# the server is restarted
# restart: --rpl-semi-sync-slave-enabled=1 --sync-binlog=1
connection default;
#
# *** Summary: 2 rows should be present in both tables; no binlog truncation; the same # of binlog files as in B; number of binlogs at reconnect - 4:
#
SELECT COUNT(*) FROM t1;
COUNT(*)
2
SELECT COUNT(*) FROM t2;
COUNT(*)
2
SELECT @@GLOBAL.gtid_binlog_state;
@@GLOBAL.gtid_binlog_state
0-1-3
SELECT @@GLOBAL.gtid_binlog_pos;
@@GLOBAL.gtid_binlog_pos
0-1-3
List of binary logs at the end of the tests
show binary logs;
Log_name	File_size
master-bin.000001	#
master-bin.000002	#
master-bin.000003	#
master-bin.000004	#
# ***
DELETE FROM t1;
DELETE FROM t2;
disconnect con1;
#
DROP TABLE t1, t2;
SET @@global.sync_binlog= default;
# End of the tests