mariadb/mysql-test/suite/rpl/t/rpl_parallel_retry.test

--source include/have_innodb.inc
--source include/have_debug.inc
--source include/have_debug_sync.inc
--let $rpl_topology=1->2
--source include/rpl_init.inc

--echo *** Test retry of transactions that fail to replicate due to deadlock or similar temporary error. ***

--connection server_1
ALTER TABLE mysql.gtid_slave_pos ENGINE=InnoDB;
CREATE TABLE t1 (a int PRIMARY KEY, b INT) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1,1);
--save_master_pos

# Use a stored function to inject a debug_sync into the appropriate THD.
# The function does nothing on the master, and on the slave it injects the
# desired debug_sync action(s).
SET sql_log_bin=0;
--delimiter ||
CREATE FUNCTION foo(x INT, d1 VARCHAR(500), d2 VARCHAR(500))
  RETURNS INT DETERMINISTIC
  BEGIN
    RETURN x;
  END
||
--delimiter ;
SET sql_log_bin=1;

--connection server_2
SET @old_parallel_threads=@@GLOBAL.slave_parallel_threads;
--source include/stop_slave.inc
SET GLOBAL slave_parallel_threads=5;
--source include/start_slave.inc
--sync_with_master
SET sql_log_bin=0;
--delimiter ||
CREATE FUNCTION foo(x INT, d1 VARCHAR(500), d2 VARCHAR(500))
  RETURNS INT DETERMINISTIC
  BEGIN
    IF d1 != '' THEN
      SET debug_sync = d1;
    END IF;
    IF d2 != '' THEN
      SET debug_sync = d2;
    END IF;
    RETURN x;
  END
||
--delimiter ;
--source include/stop_slave.inc

--connection server_1
SET @old_format= @@SESSION.binlog_format;
SET binlog_format='statement';
SET gtid_seq_no = 100;
BEGIN;
INSERT INTO t1 VALUES (2,1);
UPDATE t1 SET b=b+1 WHERE a=1;
#INSERT INTO t1 VALUES (3,foo(1,
#    "ha_write_row_end SIGNAL q1_ready WAIT_FOR q1_cont",
#    ""));
INSERT INTO t1 VALUES (3,1);
COMMIT;
SET binlog_format=@old_format;
SELECT * FROM t1 ORDER BY a;
--save_master_pos

--connection server_2
SET @old_dbug= @@GLOBAL.debug_dbug;
SET GLOBAL debug_dbug="+d,rpl_parallel_simulate_temp_err_gtid_0_1_100";
let $old_retry= query_get_value(SHOW STATUS LIKE 'Slave_retried_transactions', Value, 1);
--source include/start_slave.inc
--sync_with_master
SET GLOBAL debug_dbug=@old_dbug;
let $new_retry= query_get_value(SHOW STATUS LIKE 'Slave_retried_transactions', Value, 1);
--disable_query_log
eval SELECT $new_retry - $old_retry AS retries;
--enable_query_log

SELECT * FROM t1 ORDER BY a;

--connection server_2
--source include/stop_slave.inc
SET GLOBAL slave_parallel_threads=@old_parallel_threads;
--source include/start_slave.inc

--connection server_1
DROP TABLE t1;
DROP function foo;

--source include/rpl_end.inc