source include/have_debug.inc; source include/have_innodb.inc; -- source include/have_binlog_format_statement.inc source include/master-slave.inc; # MDEV-17614 INSERT on dup key update is replication unsafe # # The following cases are tested below: # 1. 2 unique key, replication is UNSAFE # 2. 2 unique key, with one auto increment key and implicit value to it. # It is UNSAFE because autoinc column values of being inserted records # are revealed dynamically, so unknown at the binlog-format decision time # and hence this pessimistic expectation # 3. 2 unique keys # A. insert is only in 1 unique key, still all colums are specified => UNSAFE # B. both unique keys are specified => UNSAFE # C. only one unique key is specified => SAFE (motivated by MDEV-28310) # 4. 2 unique key, with one auto increment key(but user gives auto inc value) => # UNSAFE to replicate --echo # Case 1: UNSAFE call mtr.add_suppression("Unsafe statement written to the binary log using statement format"); CREATE TABLE t1 (a INT NOT NULL PRIMARY KEY , b INT, UNIQUE(b), c int) engine=innodb; sync_slave_with_master; connection master; INSERT INTO t1 VALUES (1, 1, 1); BEGIN; INSERT INTO t1 VALUES (2, 1, 2) ON DUPLICATE KEY UPDATE b=VALUES(b), c=VALUES(c); --connection master1 INSERT INTO t1 VALUES(2, 2, 3) ON DUPLICATE KEY UPDATE b=VALUES(b), c=VALUES(c); --connection master COMMIT; SELECT * FROM t1; --connection slave # show the error message --let $slave_sql_errno= 1062 --let $show_slave_sql_error= 1 --source include/wait_for_slave_sql_error.inc --echo #Different value from server SELECT * FROM t1; # restart replication for the next testcase stop slave; --source include/wait_for_slave_to_stop.inc --source include/reset_slave.inc connection master; reset master; drop table t1; connection slave; start slave; --source include/wait_for_slave_to_start.inc --echo # Case 2: UNSAFE --connection master CREATE TABLE t1 (a INT NOT NULL PRIMARY KEY auto_increment, b INT, UNIQUE(b), c int) engine=innodb; sync_slave_with_master; connection master; INSERT INTO t1 VALUES (default, 1, 1); BEGIN; INSERT INTO t1 VALUES (default, 1, 2) ON DUPLICATE KEY UPDATE b=VALUES(b), c=VALUES(c); --connection master1 INSERT INTO t1 VALUES(default, 2, 3) ON DUPLICATE KEY UPDATE b=VALUES(b), c=VALUES(c); --connection master COMMIT; SELECT * FROM t1; --sync_slave_with_master --echo #same data as master SELECT * FROM t1; connection master; drop table t1; --sync_slave_with_master --echo # Case 3A: UNSAFE --connection master CREATE TABLE t1 (a INT NOT NULL PRIMARY KEY, b INT, UNIQUE(b), c int, d int ) engine=innodb; sync_slave_with_master; connection master; INSERT INTO t1 VALUES (1, 1, 1, 1); BEGIN; INSERT INTO t1 VALUES (2, NULL, 2, 2) ON DUPLICATE KEY UPDATE b=VALUES(b), c=VALUES(c); --connection master1 INSERT INTO t1 VALUES(3, NULL, 2, 3) ON DUPLICATE KEY UPDATE b=VALUES(b), c=VALUES(c); --connection master COMMIT; SELECT * FROM t1; --sync_slave_with_master --echo #same data as master SELECT * FROM t1; connection master; drop table t1; --sync_slave_with_master --echo # Case 3B: UNSAFE - all column specified. --connection master CREATE TABLE t1 (a INT NOT NULL PRIMARY KEY, b INT, UNIQUE(b), c int, d int ) engine=innodb; sync_slave_with_master; connection master; INSERT INTO t1 VALUES (1, 1, 1, 1); BEGIN; INSERT INTO t1 VALUES (2, NULL, 2, 2) ON DUPLICATE KEY UPDATE c=VALUES(c); --connection master1 INSERT INTO t1 VALUES(3, NULL, 2, 3) ON DUPLICATE KEY UPDATE c=VALUES(c); --connection master COMMIT; SELECT * FROM t1; --sync_slave_with_master --echo #same data as master SELECT * FROM t1; connection master; drop table t1; --sync_slave_with_master --echo # Case 3C: SAFE - only one unique key (PK) specified. --connection master CREATE TABLE t1 (a INT NOT NULL PRIMARY KEY, b INT, UNIQUE(b), c int, d int ) engine=innodb; sync_slave_with_master; connection master; INSERT INTO t1 VALUES (1, 1, 1, 1); BEGIN; INSERT INTO t1 (`a`, `c`, `d`) VALUES (2, 2, 2) ON DUPLICATE KEY UPDATE c=99; --connection master1 INSERT INTO t1 (`a`, `c`, `d`) VALUES(3, 2, 3) ON DUPLICATE KEY UPDATE c=100; --connection master COMMIT; SELECT * FROM t1; --sync_slave_with_master --echo #same data as master SELECT * FROM t1; connection master; drop table t1; --sync_slave_with_master --echo # Case 4: UNSAFE --connection master CREATE TABLE t1 (a INT NOT NULL PRIMARY KEY auto_increment, b INT, UNIQUE(b), c int) engine=innodb; sync_slave_with_master; connection master; INSERT INTO t1 VALUES (1, 1, 1); BEGIN; INSERT INTO t1 VALUES (2, 1, 2) ON DUPLICATE KEY UPDATE b=VALUES(b), c=VALUES(c); --connection master1 INSERT INTO t1 VALUES(2, 2, 3) ON DUPLICATE KEY UPDATE b=VALUES(b), c=VALUES(c); --connection master COMMIT; SELECT * FROM t1; --connection slave # show the error message --let $slave_sql_errno= 1062 --let $show_slave_sql_error= 1 --source include/wait_for_slave_sql_error.inc --echo #Different value from server SELECT * FROM t1; # restart replication for the next testcase stop slave; --source include/wait_for_slave_to_stop.inc --source include/reset_slave.inc connection master; reset master; drop table t1; connection slave; start slave; --source include/wait_for_slave_to_start.inc --source include/rpl_end.inc