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	This saves one byte per Query_log_event on disk compared to 5.0.[0..3]. Compatibility problems with 5.0.x where x<4 are explained in the comments in log_event.cc. Putting back s/my_open(O_TRUNC)/(my_delete+my_create) change which had been wiped away by somebody doing a wrong 4.1->5.0 merge (which happened just before 5.0.3 :( ). Applying it to new events for LOAD DATA INFILE. If slave fails in Execute_load_query_log_event::exec_event(), don't delete the file (so that it's re-usable at next START SLAVE). And (youpi!) fix for BUG#3247 "a partially completed LOAD DATA INFILE is not executed at all on the slave" (storing an Execute_load_query_log_event to binlog, with its error code, instead of Delete_file_log_event). mysql-test/r/mix_innodb_myisam_binlog.result: we now use one less byte when storing the catalog in binlog so positions change mysql-test/r/rpl_change_master.result: we now use one less byte when storing the catalog in binlog so positions change mysql-test/r/rpl_deadlock.result: we now use one less byte when storing the catalog in binlog so positions change mysql-test/r/rpl_error_ignored_table.result: we now use one less byte when storing the catalog in binlog so positions change mysql-test/r/rpl_flush_log_loop.result: we now use one less byte when storing the catalog in binlog so positions change mysql-test/r/rpl_loaddata.result: we now use one less byte when storing the catalog in binlog so positions change. Plus testing replication of LOAD DATA INFILE if duplicate key and non-transactional table. mysql-test/r/rpl_log.result: we now use one less byte when storing the catalog in binlog so positions change mysql-test/r/rpl_max_relay_size.result: we now use one less byte when storing the catalog in binlog so positions change mysql-test/r/rpl_relayrotate.result: we now use one less byte when storing the catalog in binlog so positions change mysql-test/r/rpl_replicate_do.result: we now use one less byte when storing the catalog in binlog so positions change mysql-test/r/rpl_rotate_logs.result: we now use one less byte when storing the catalog in binlog so positions change mysql-test/r/rpl_until.result: we now use one less byte when storing the catalog in binlog so positions change mysql-test/t/mysqlbinlog.test: we now use one less byte when storing the catalog in binlog so positions change mysql-test/t/mysqlbinlog2.test: we now use one less byte when storing the catalog in binlog so positions change mysql-test/t/rpl_deadlock.test: we now use one less byte when storing the catalog in binlog so positions change mysql-test/t/rpl_loaddata.test: we now use one less byte when storing the catalog in binlog so positions change. Plus testing replication of LOAD DATA INFILE if duplicate key and non-transactional table. mysql-test/t/rpl_until.test: we now use one less byte when storing the catalog in binlog so positions change sql/log_event.cc: a) We now store the catalog in Query_log_event in binlog WITHOUT its end zero. This saves one byte per Query_log_event on disk. Compatibility problems with 5.0.x where x<4 are explained in the comments in this file. b) putting back s/my_open(O_TRUNC)/(my_delete+my_create) change which had been wiped away by somebody doing a wrong 4.1->5.0 merge (which happened just before 5.0.3 :( ). Applying it to new events for LOAD DATA INFILE. c) if slave fails in Execute_load_query_log_event::exec_event(), don't delete the file (so that it's re-usable at next START SLAVE). sql/log_event.h: We now store the catalog in Query_log_event in binlog WITHOUT its end zero. This saves one byte per Query_log_event on disk. This new storage for the catalog is denoted by Q_CATALOG_NZ_CODE (couldn't re-use Q_CATALOG_CODE as 5.0.3 slaves of this 5.0.4 master would segfault because it would expect a 0 when there is none. Renaming get_open_mode() to get_create_or_append() (see log_event.cc) sql/sql_load.cc: Fix for BUG#3247: if LOAD DATA INFILE fails but has permanently updated a table (i.e. has deleted/added/modified some rows in a non-transactional table), we must write an Execute_load_query_log_event to binlog (with the error code, as this class beautifully inherits from Query_log_event, it can store the error code - thanks Dmitri) and not a Delete_file_log_event (we use to write a Delete_file_log_event: no update happened on slave, bug).
		
			
				
	
	
		
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| stop slave;
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| drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
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| reset master;
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| reset slave;
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| drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
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| start slave;
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| reset master;
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| create table t1(a int not null auto_increment, b int, primary key(a) );
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| load data infile '../../std_data/rpl_loaddata.dat' into table t1;
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| create temporary table t2 (day date,id int(9),category enum('a','b','c'),name varchar(60));
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| load data infile '../../std_data/rpl_loaddata2.dat' into table t2 fields terminated by ',' optionally enclosed by '%' escaped by '@' lines terminated by '\n##\n' starting by '>' ignore 1 lines;
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| create table t3 (day date,id int(9),category enum('a','b','c'),name varchar(60));
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| insert into t3 select * from t2;
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| select * from t1;
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| a	b
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| 1	10
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| 2	15
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| select * from t3;
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| day	id	category	name
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| 2003-02-22	2461	b	a a a @ %  ' " a
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| 2003-03-22	2161	c	asdf
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| 2003-03-22	2416	a	bbbbb
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| show master status;
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| File	Position	Binlog_Do_DB	Binlog_Ignore_DB
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| slave-bin.000001	1286		
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| drop table t1;
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| drop table t2;
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| drop table t3;
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| create table t1(a int, b int, unique(b));
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| insert into t1 values(1,10);
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| load data infile '../../std_data/rpl_loaddata.dat' into table t1;
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| set global sql_slave_skip_counter=1;
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| start slave;
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| show slave status;
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| Slave_IO_State	Master_Host	Master_User	Master_Port	Connect_Retry	Master_Log_File	Read_Master_Log_Pos	Relay_Log_File	Relay_Log_Pos	Relay_Master_Log_File	Slave_IO_Running	Slave_SQL_Running	Replicate_Do_DB	Replicate_Ignore_DB	Replicate_Do_Table	Replicate_Ignore_Table	Replicate_Wild_Do_Table	Replicate_Wild_Ignore_Table	Last_Errno	Last_Error	Skip_Counter	Exec_Master_Log_Pos	Relay_Log_Space	Until_Condition	Until_Log_File	Until_Log_Pos	Master_SSL_Allowed	Master_SSL_CA_File	Master_SSL_CA_Path	Master_SSL_Cert	Master_SSL_Cipher	Master_SSL_Key	Seconds_Behind_Master
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| #	127.0.0.1	root	MASTER_PORT	1	master-bin.000001	1789	#	#	master-bin.000001	Yes	Yes							0		0	1789	#	None		0	No						#
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| set sql_log_bin=0;
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| delete from t1;
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| set sql_log_bin=1;
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| load data infile '../../std_data/rpl_loaddata.dat' into table t1;
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| stop slave;
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| change master to master_user='test';
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| change master to master_user='root';
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| show slave status;
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| Slave_IO_State	Master_Host	Master_User	Master_Port	Connect_Retry	Master_Log_File	Read_Master_Log_Pos	Relay_Log_File	Relay_Log_Pos	Relay_Master_Log_File	Slave_IO_Running	Slave_SQL_Running	Replicate_Do_DB	Replicate_Ignore_DB	Replicate_Do_Table	Replicate_Ignore_Table	Replicate_Wild_Do_Table	Replicate_Wild_Ignore_Table	Last_Errno	Last_Error	Skip_Counter	Exec_Master_Log_Pos	Relay_Log_Space	Until_Condition	Until_Log_File	Until_Log_Pos	Master_SSL_Allowed	Master_SSL_CA_File	Master_SSL_CA_Path	Master_SSL_Cert	Master_SSL_Cipher	Master_SSL_Key	Seconds_Behind_Master
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| #	127.0.0.1	root	MASTER_PORT	1	master-bin.000001	1824	#	#	master-bin.000001	No	No							0		0	1824	#	None		0	No						#
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| set global sql_slave_skip_counter=1;
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| start slave;
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| set sql_log_bin=0;
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| delete from t1;
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| set sql_log_bin=1;
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| load data infile '../../std_data/rpl_loaddata.dat' into table t1;
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| stop slave;
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| reset slave;
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| show slave status;
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| Slave_IO_State	Master_Host	Master_User	Master_Port	Connect_Retry	Master_Log_File	Read_Master_Log_Pos	Relay_Log_File	Relay_Log_Pos	Relay_Master_Log_File	Slave_IO_Running	Slave_SQL_Running	Replicate_Do_DB	Replicate_Ignore_DB	Replicate_Do_Table	Replicate_Ignore_Table	Replicate_Wild_Do_Table	Replicate_Wild_Ignore_Table	Last_Errno	Last_Error	Skip_Counter	Exec_Master_Log_Pos	Relay_Log_Space	Until_Condition	Until_Log_File	Until_Log_Pos	Master_SSL_Allowed	Master_SSL_CA_File	Master_SSL_CA_Path	Master_SSL_Cert	Master_SSL_Cipher	Master_SSL_Key	Seconds_Behind_Master
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| #	127.0.0.1	root	MASTER_PORT	1		4	#	#		No	No							0		0	0	#	None		0	No						#
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| reset master;
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| create table t2 (day date,id int(9),category enum('a','b','c'),name varchar(60),
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| unique(day)) engine=MyISAM;
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| load data infile '../../std_data/rpl_loaddata2.dat' into table t2 fields
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| terminated by ',' optionally enclosed by '%' escaped by '@' lines terminated by
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| '\n##\n' starting by '>' ignore 1 lines;
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| ERROR 23000: Duplicate entry '2003-03-22' for key 1
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| select * from t2;
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| day	id	category	name
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| 2003-02-22	2461	b	a a a @ %  ' " a
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| 2003-03-22	2161	c	asdf
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| start slave;
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| select * from t2;
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| day	id	category	name
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| 2003-02-22	2461	b	a a a @ %  ' " a
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| 2003-03-22	2161	c	asdf
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| alter table t2 drop key day;
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| delete from t2;
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| load data infile '../../std_data/rpl_loaddata2.dat' into table t2 fields
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| terminated by ',' optionally enclosed by '%' escaped by '@' lines terminated by
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| '\n##\n' starting by '>' ignore 1 lines;
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| ERROR 23000: Duplicate entry '2003-03-22' for key 1
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| drop table t2;
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| drop table t2;
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