mirror of
https://github.com/MariaDB/server.git
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640fadf2f8
moved fail-safe replication routines from sql_repl.cc to repl_failsafe.cc write start event only in the first log client/mysqlbinlog.cc: work to enable reading 3.23 logs libmysql/Makefile.shared: added mf_iocache2 to libmysqlclient - needed for mysqlbinlog mysql-test/mysql-test-run.sh: added --start-and-exit mysql-test/r/rpl000002.result: result clean-up mysql-test/r/rpl000016.result: result update mysql-test/r/rpl_log.result: result update mysql-test/t/rpl000016.test: test cleanup mysys/mf_iocache.c: fixed new bug sql/log.cc: write start event only on server start or after reset master sql/log_event.cc: work to enable reading 3.23 log format sql/log_event.h: work to enable reading 3.23 format sql/repl_failsafe.cc: code restructuring sql/repl_failsafe.h: re-organized code sql/slave.cc: check master version sql/slave.h: old_format member sql/sql_class.h: allow user to specify io cache type need_start_event member to allow writing start event only in the first log sql/sql_parse.cc: code re-organization sql/sql_repl.cc: code reorganization sql/sql_repl.h: reorganized code
104 lines
2.3 KiB
Text
104 lines
2.3 KiB
Text
connect (master,localhost,root,,test,0,master.sock);
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connect (slave,localhost,root,,test,0,slave.sock);
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eval_result;
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system cat /dev/null > var/slave-data/master.info;
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system chmod 000 var/slave-data/master.info;
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connection slave;
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!slave start;
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system chmod 600 var/slave-data/master.info;
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!slave start;
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!eval change master to master_host='127.0.0.1',master_port=$MASTER_MYPORT,
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master_user='root';
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reset slave;
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eval change master to master_host='127.0.0.1',master_port=$MASTER_MYPORT,
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master_user='root';
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connection master;
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reset master;
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connection slave;
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slave start;
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connection master;
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drop table if exists t1;
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create table t1 (s text);
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insert into t1 values('Could not break slave'),('Tried hard');
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save_master_pos;
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connection slave;
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sync_with_master;
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show slave status;
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select * from t1;
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connection master;
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flush logs;
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drop table if exists t2;
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create table t2(m int not null primary key);
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insert into t2 values (34),(67),(123);
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save_master_pos;
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flush logs;
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show master logs;
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#now lets make some duplicate key mess and see if we can recover from it
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#first insert a value on the slave
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connection slave;
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sync_with_master;
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insert into t2 values(1234);
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#same value on the master
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connection master;
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save_master_pos;
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insert into t2 values(1234);
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connection slave;
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sync_with_master;
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#the slave may have already stopped, so we ignore the error
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--error 0,1199
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!slave stop;
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#restart slave skipping one event
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set sql_slave_skip_counter=1;
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slave start;
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connection master;
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save_master_pos;
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#let slave catch up
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connection slave;
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sync_with_master;
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connection master;
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purge master logs to 'master-bin.003';
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show master logs;
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insert into t2 values (65);
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save_master_pos;
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connection slave;
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sync_with_master;
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show slave status;
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select * from t2;
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connection master;
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let $1=100;
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drop table if exists t3;
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create table t3 (n int);
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disable_query_log;
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while ($1)
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{
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#eval means expand $ expressions
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eval insert into t3 values($1 + 4);
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dec $1;
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}
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enable_query_log;
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show master logs;
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show master status;
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save_master_pos;
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connection slave;
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slave stop;
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slave start;
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sync_with_master;
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show slave status;
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# because of concurrent insert, the table may not be up to date
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# if we do not lock
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lock tables t3 read;
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select count(*) from t3 where n >= 4;
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unlock tables;
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#clean up
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connection master;
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drop table if exists t1,t2,t3;
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save_master_pos;
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connection slave;
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sync_with_master;
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