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Normally, auto_increment value is generated for the column by inserting either NULL or 0 into it. NO_AUTO_VALUE_ON_ZERO suppresses this behavior for 0 so that only NULL generates the auto_increment value. This behavior is also followed by a slave, specifically by the SQL Thread, when applying events in the statement format from a master. However, when applying events in the row format, the flag was ignored thus causing an assertion failure: "Assertion failed: next_insert_id == 0, file .\handler.cc" In fact, we never need to generate a auto_increment value for the column when applying events in row format on slave. So we don't allow it to happen by using 'MODE_NO_AUTO_VALUE_ON_ZERO'. Refactoring: Get rid of all the sql_mode checks to rows_log_event when applying it for avoiding problems caused by the inconsistency of the sql_mode on slave and master as the sql_mode is not set for Rows_log_event.
260 lines
7.3 KiB
Plaintext
260 lines
7.3 KiB
Plaintext
#
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# Test of auto_increment with offset
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#
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-- source include/not_ndb_default.inc
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-- source include/master-slave.inc
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eval create table t1 (a int not null auto_increment,b int, primary key (a)) engine=$engine_type2 auto_increment=3;
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insert into t1 values (NULL,1),(NULL,2),(NULL,3);
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select * from t1;
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sync_slave_with_master;
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select * from t1;
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connection master;
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drop table t1;
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eval create table t1 (a int not null auto_increment,b int, primary key (a)) engine=$engine_type2;
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insert into t1 values (1,1),(NULL,2),(3,3),(NULL,4);
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delete from t1 where b=4;
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insert into t1 values (NULL,5),(NULL,6);
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select * from t1;
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sync_slave_with_master;
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select * from t1;
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connection master;
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drop table t1;
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set @@session.auto_increment_increment=100, @@session.auto_increment_offset=10;
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show variables like "%auto_inc%";
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eval create table t1 (a int not null auto_increment, primary key (a)) engine=$engine_type2;
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# Insert with 2 insert statements to get better testing of logging
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insert into t1 values (NULL),(5),(NULL);
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insert into t1 values (250),(NULL);
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select * from t1;
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insert into t1 values (1000);
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set @@insert_id=400;
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insert into t1 values(NULL),(NULL);
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select * from t1;
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sync_slave_with_master;
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select * from t1;
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connection master;
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drop table t1;
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#
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# Same test with innodb (as the innodb code is a bit different)
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#
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eval create table t1 (a int not null auto_increment, primary key (a)) engine=$engine_type;
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# Insert with 2 insert statements to get better testing of logging
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insert into t1 values (NULL),(5),(NULL);
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insert into t1 values (250),(NULL);
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select * from t1;
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insert into t1 values (1000);
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set @@insert_id=400;
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insert into t1 values(NULL),(NULL);
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select * from t1;
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sync_slave_with_master;
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select * from t1;
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connection master;
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drop table t1;
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set @@session.auto_increment_increment=1, @@session.auto_increment_offset=1;
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eval create table t1 (a int not null auto_increment, primary key (a)) engine=$engine_type2;
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# Insert with 2 insert statements to get better testing of logging
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insert into t1 values (NULL),(5),(NULL),(NULL);
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insert into t1 values (500),(NULL),(502),(NULL),(NULL);
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select * from t1;
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set @@insert_id=600;
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--error ER_DUP_ENTRY
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insert into t1 values(600),(NULL),(NULL);
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set @@insert_id=600;
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insert ignore into t1 values(600),(NULL),(NULL),(610),(NULL);
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select * from t1;
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sync_slave_with_master;
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select * from t1;
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connection master;
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drop table t1;
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#
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# Test that auto-increment works when slave has rows in the table
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#
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set @@session.auto_increment_increment=10, @@session.auto_increment_offset=1;
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eval create table t1 (a int not null auto_increment, primary key (a)) engine=$engine_type2;
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sync_slave_with_master;
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insert into t1 values(2),(12),(22),(32),(42);
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connection master;
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insert into t1 values (NULL),(NULL);
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insert into t1 values (3),(NULL),(NULL);
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select * from t1;
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sync_slave_with_master;
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select * from t1;
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# Test for BUG#20524 "auto_increment_* not observed when inserting
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# a too large value". When an autogenerated value was bigger than the
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# maximum possible value of the field, it was truncated to that max
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# possible value, without being "rounded down" to still honour
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# auto_increment_* variables.
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connection master;
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drop table t1;
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create table t1 (a tinyint not null auto_increment primary key) engine=myisam;
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insert into t1 values(103);
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set auto_increment_increment=11;
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set auto_increment_offset=4;
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insert into t1 values(null);
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insert into t1 values(null);
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--error ER_DUP_ENTRY
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insert into t1 values(null);
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select a, mod(a-@@auto_increment_offset,@@auto_increment_increment) from t1 order by a;
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# same but with a larger value
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create table t2 (a tinyint unsigned not null auto_increment primary key) engine=myisam;
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set auto_increment_increment=10;
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set auto_increment_offset=1;
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set insert_id=1000;
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insert into t2 values(null);
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select a, mod(a-@@auto_increment_offset,@@auto_increment_increment) from t2 order by a;
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# An offset so big that even first value does not fit
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create table t3 like t1;
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set auto_increment_increment=1000;
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set auto_increment_offset=700;
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insert into t3 values(null);
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select * from t3 order by a;
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sync_slave_with_master;
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select * from t1 order by a;
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select * from t2 order by a;
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select * from t3 order by a;
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connection master;
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drop table t1,t2,t3;
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sync_slave_with_master;
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#
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# BUG#41986 Replication slave does not pick up proper AUTO_INCREMENT value for Innodb tables
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#
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connection master;
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set auto_increment_increment=1;
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set auto_increment_offset=1;
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CREATE TABLE t1 (id MEDIUMINT NOT NULL AUTO_INCREMENT PRIMARY KEY) ENGINE=innodb;
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INSERT INTO t1 VALUES (NULL), (NULL), (NULL);
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show create table t1;
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sync_slave_with_master;
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show create table t1;
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connection master;
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drop table t1;
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#
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# BUG#45999 Row based replication fails when auto_increment field = 0.
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# Store engine of Slaves auto-generates new sequence numbers for
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# auto_increment fields if the values of them are 0. There is an inconsistency
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# between slave and master. When MODE_NO_AUTO_VALUE_ON_ZERO are masters treat
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#
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source include/rpl_reset.inc;
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connection master;
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--disable_warnings
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DROP TABLE IF EXISTS t1;
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DROP TABLE IF EXISTS t2;
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--enable_warnings
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eval CREATE TABLE t1 (id INT NOT NULL AUTO_INCREMENT PRIMARY KEY) ENGINE=$engine_type;
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eval CREATE TABLE t2 (id INT NOT NULL AUTO_INCREMENT PRIMARY KEY) ENGINE=$engine_type2;
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SET SQL_MODE='';
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# Value of the id will be 1;
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INSERT INTO t1 VALUES(NULL);
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INSERT INTO t2 VALUES(NULL);
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SELECT * FROM t1;
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SELECT * FROM t2;
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# Value of the id will be 2;
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INSERT INTO t1 VALUES();
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INSERT INTO t2 VALUES();
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SELECT * FROM t1;
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SELECT * FROM t2;
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# Value of the id will be 3. The master treats 0 as NULL or empty because
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# NO_AUTO_VALUE_ON_ZERO is not assign to SQL_MODE.
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INSERT INTO t1 VALUES(0);
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INSERT INTO t2 VALUES(0);
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SELECT * FROM t1;
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SELECT * FROM t2;
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SET SQL_MODE=NO_AUTO_VALUE_ON_ZERO;
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# Value of the id will be 0. The master does not treat 0 as NULL or empty
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# because NO_AUTO_VALUE_ON_ZERO has assigned to SQL_MODE.
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INSERT INTO t1 VALUES(0);
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INSERT INTO t2 VALUES(0);
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SELECT * FROM t1;
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SELECT * FROM t2;
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INSERT INTO t1 VALUES(4);
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INSERT INTO t2 VALUES(4);
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FLUSH LOGS;
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sync_slave_with_master;
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let $diff_tables= master:t1, slave:t1;
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source include/diff_tables.inc;
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let $diff_tables= master:t2, slave:t2;
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source include/diff_tables.inc;
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connection master;
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DROP TABLE t1;
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DROP TABLE t2;
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sync_slave_with_master;
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connection master;
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let $MYSQLD_DATADIR= `SELECT @@DATADIR`;
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--exec $MYSQL_BINLOG $MYSQLD_DATADIR/master-bin.000001 | $MYSQL test
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sync_slave_with_master;
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let $diff_tables= master:t1, slave:t1;
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source include/diff_tables.inc;
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let $diff_tables= master:t2, slave:t2;
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source include/diff_tables.inc;
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# End cleanup
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--connection master
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DROP TABLE t1;
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DROP TABLE t2;
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SET SQL_MODE='';
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sync_slave_with_master;
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#
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# BUG#56662
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# The test verifies if the assertion of "next_insert_id == 0"
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# will fail in ha_external_lock() function.
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#
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connection master;
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CREATE TABLE t1 (id SMALLINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY, data INT) ENGINE=innodb;
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BEGIN;
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--echo # Set sql_mode with NO_AUTO_VALUE_ON_ZERO for allowing
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--echo # zero to fill the auto_increment field.
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SET SQL_MODE=NO_AUTO_VALUE_ON_ZERO;
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INSERT INTO t1(id,data) VALUES(0,2);
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--echo # Resetting sql_mode without NO_AUTO_VALUE_ON_ZERO to
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--echo # affect the execution of the transaction on slave.
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SET SQL_MODE=0;
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COMMIT;
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SELECT * FROM t1;
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sync_slave_with_master;
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SELECT * FROM t1;
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connection master;
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DROP TABLE t1;
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sync_slave_with_master;
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--source include/rpl_end.inc
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