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Implementation of Multi-source replication (MDEV:253) Documentation of the feature can be found at: http://kb.askmonty.org/en/multi-source-replication/ This code is based on code from Taobao, developed by Plinux BUILD/SETUP.sh: Added -Wno-invalid-offsetof to get rid of warning of offsetof() on C++ class (safe in the contex we use it) client/mysqltest.cc: Added support for error names starting with 'W' Added connection_name support to --sync_with_master cmake/maintainer.cmake: Added -Wno-invalid-offsetof to get rid of warning of offsetof() on C++ class (safe in the contex we use it) mysql-test/r/mysqltest.result: Updated results mysql-test/r/parser.result: Updated results mysql-test/suite/multi_source/my.cnf: Setup of multi-master tests mysql-test/suite/multi_source/simple.result: Simple basic test of multi-source functionality mysql-test/suite/multi_source/simple.test: Simple basic test of multi-source functionality mysql-test/suite/multi_source/syntax.result: Test of multi-source syntax mysql-test/suite/multi_source/syntax.test: Test of multi-source syntax mysql-test/suite/rpl/r/rpl_rotate_logs.result: Updated results because of new error messages mysql-test/t/parser.test: Updated test as master_pos_wait() now takes more arguments than before sql/event_scheduler.cc: No reason to initialize slave_thread (it's guaranteed to be zero here) sql/item_create.cc: Added connection_name argument to master_pos_wait() Simplified code sql/item_func.cc: Added connection_name argument to master_pos_wait() sql/item_func.h: Added connection_name argument to master_pos_wait() sql/log.cc: Added tag "Master 'connection_name'" to slave errors that has a connection name. sql/mysqld.cc: Added variable mysqld_server_initialized so that other functions can test if server is fully initialized. Free all slave data in one place (fewer ifdef's) Removed not needed call to close_active_mi() Initialize slaves() later in startup to ensure that everthing is really initialized when slaves start. Made status variable slave_running multi-source safe sql/mysqld.h: Added mysqld_server_initialized sql/rpl_mi.cc: Store connection name and cmp_connection_name (only used for show full slave status) in Master_info Added code for Master_info_index, which handles storage of multi-master information Don't write the empty "" connection_name to multi-master.info file. This is handled by the original code. sql/rpl_mi.h: Added connection_name and Master_info_index sql/rpl_rli.cc: Added connection_name to relay log files. sql/rpl_rli.h: Fixed type of slave_skip_counter as we now access it directly in sys_vars.cc, so it must be uint sql/share/errmsg-utf8.txt: Added new error messages needed for multi-source Added multi-source name to error ER_MASTER_INFO and WARN_NO_MASTER_INFO sql/slave.cc: Moved things a bit around to make it easier to handle error conditions. Create a global master_info_index and add the "" connection to it Ensure that new Master_info doesn't fail. Don't call terminate_slave_threads(active_mi..) on end_slave() as this is now done automaticly when deleting master_info_index. Delete not needed function close_active_mi(). One can achive same thing by calling end_slave(). Added support for SHOW FULL SLAVE STATUS (show status for all master connections with connection_name as first column) sql/slave.h: Added new prototypes sql/sql_base.cc: More DBUG_PRINT sql/sql_class.cc: Reset thd->connection_name and thd-->default_master_connection sql/sql_class.h: Added thd->connection_name and thd-->default_master_connection Added slave_skip_count to variables to make changing the @@sql_slave_skip_count variable thread safe sql/sql_const.h: Added MAX_CONNECTION_NAME sql/sql_lex.cc: Reset 'lex->verbose' (to simplify some sql_yacc.yy code) sql/sql_lex.h: Added connection_name sql/sql_parse.cc: Added support for connection_name to all SLAVE commands. - Instead of using active_mi, we now get the current Master_info from master_info_index. - Create new replication threads with CHANGE MASTER - Added support for show_all_master_info() sql/sql_reload.cc: Made reset/full slave use master_info_index->get_master_info() instead of active_mi. If one uses 'RESET SLAVE "connection_name" all' the connection is removed from master_info_index. sql/sql_repl.cc: sql_slave_skip_counter is moved to thd->variables to make it thread safe and fix some bugs with it Add connection name to relay log files. Added connection name to errors. Added some logging for multi-master if log_warnings > 1 stop_slave(): - Don't check if thd is set. It's guaranteed to always be set. change_master(): - Check for duplicate connection names in change_master() - Check for wrong arguments first in file (to simplify error handling) - Register new connections in master_info_index sql/sql_yacc.yy: Added optional connection_name to a all relevant master/slave commands sql/strfunc.cc: my_global.h shoud always be included first. sql/sys_vars.cc: Added variable default_master_connection Made variable sql_slave_skip_counter multi-source safe sql/sys_vars.h: Added Sys_var_session_lexstring (needed for default_master_connection) Added Sys_var_multi_source_uint (needed for sql_slave_skip_counter).
2012-09-28 01:06:56 +02:00
# Test multi master syntax
source include/master-slave.inc;
# Check syntax of multi source replication
show slave status;
show slave '' status;
Changed SHOW_FUNC variabels that don't return SHOW_ARRAY to SHOW_SIMPLE_FUNC. This allows us to avoid calculating variables (including those involving mutex) that doesn't match the given wildcard in SHOW STATUS LIKE '...' Removed all references to active_mi that could cause problems for multi-source replication. Added START|STOP ALL SLAVES Added SHOW ALL SLAVES STATUS include/mysql/plugin.h: Added SHOW_SIMPLE_FUNC include/mysql/plugin_audit.h.pp: Updated .pp file include/mysql/plugin_auth.h.pp: Updated .pp file include/mysql/plugin_ftparser.h.pp: Updated .pp file mysql-test/suite/multi_source/info_logs.result: New columns in SHOW ALL SLAVES STATUS mysql-test/suite/multi_source/info_logs.test: Test new syntax mysql-test/suite/multi_source/simple.result: New columns in SHOW ALL SLAVES STATUS mysql-test/suite/multi_source/simple.test: test new syntax mysql-test/suite/multi_source/syntax.result: Updated result mysql-test/suite/multi_source/syntax.test: Test new syntax mysql-test/suite/rpl/r/rpl_skip_replication.result: Updated result plugin/semisync/semisync_master_plugin.cc: SHOW_FUNC -> SHOW_SIMPLE_FUNC sql/item_create.cc: Simplify code sql/lex.h: Added SLAVES keyword sql/log.cc: Constant -> define sql/log_event.cc: Added comment sql/mysqld.cc: SHOW_FUNC -> SHOW_SIMPLE_FUNC Made slave_retried_trans, slave_received_heartbeats and heartbeat_period multi-source safe Clear variable denied_connections and slave_retried_transactions on startup sql/mysqld.h: Added slave_retried_transactions sql/rpl_mi.cc: create_signed_file_name -> create_logfile_name_with_suffix Added start_all_slaves() and stop_all_slaves() sql/rpl_mi.h: Added prototypes sql/rpl_rli.cc: create_signed_file_name -> create_logfile_name_with_suffix added executed_entries sql/rpl_rli.h: Added executed_entries sql/share/errmsg-utf8.txt: More and better error messages sql/slave.cc: Added more fields to SHOW ALL SLAVES STATUS Added slave_retried_transactions Changed constants -> defines sql/sql_class.h: Added comment sql/sql_insert.cc: active_mi.rli -> thd->rli_slave sql/sql_lex.h: Added SQLCOM_SLAVE_ALL_START & SQLCOM_SLAVE_ALL_STOP sql/sql_load.cc: active_mi.rli -> thd->rli_slave sql/sql_parse.cc: Added START|STOP ALL SLAVES sql/sql_prepare.cc: Added SQLCOM_SLAVE_ALL_START & SQLCOM_SLAVE_ALL_STOP sql/sql_reload.cc: Made REFRESH RELAY LOG multi-source safe sql/sql_repl.cc: create_signed_file_name -> create_logfile_name_with_suffix Don't send my_ok() from start_slave() or stop_slave() so that we can call it for all master connections sql/sql_show.cc: Compare wild cards early for all variables sql/sql_yacc.yy: Added START|STOP ALL SLAVES Added SHOW ALL SLAVES STATUS sql/sys_vars.cc: Made replicate_events_marked_for_skip,slave_net_timeout and rpl_filter multi-source safe. sql/sys_vars.h: Simplify Sys_var_rpl_filter
2012-10-03 00:44:54 +02:00
show all slaves status;
Implementation of Multi-source replication (MDEV:253) Documentation of the feature can be found at: http://kb.askmonty.org/en/multi-source-replication/ This code is based on code from Taobao, developed by Plinux BUILD/SETUP.sh: Added -Wno-invalid-offsetof to get rid of warning of offsetof() on C++ class (safe in the contex we use it) client/mysqltest.cc: Added support for error names starting with 'W' Added connection_name support to --sync_with_master cmake/maintainer.cmake: Added -Wno-invalid-offsetof to get rid of warning of offsetof() on C++ class (safe in the contex we use it) mysql-test/r/mysqltest.result: Updated results mysql-test/r/parser.result: Updated results mysql-test/suite/multi_source/my.cnf: Setup of multi-master tests mysql-test/suite/multi_source/simple.result: Simple basic test of multi-source functionality mysql-test/suite/multi_source/simple.test: Simple basic test of multi-source functionality mysql-test/suite/multi_source/syntax.result: Test of multi-source syntax mysql-test/suite/multi_source/syntax.test: Test of multi-source syntax mysql-test/suite/rpl/r/rpl_rotate_logs.result: Updated results because of new error messages mysql-test/t/parser.test: Updated test as master_pos_wait() now takes more arguments than before sql/event_scheduler.cc: No reason to initialize slave_thread (it's guaranteed to be zero here) sql/item_create.cc: Added connection_name argument to master_pos_wait() Simplified code sql/item_func.cc: Added connection_name argument to master_pos_wait() sql/item_func.h: Added connection_name argument to master_pos_wait() sql/log.cc: Added tag "Master 'connection_name'" to slave errors that has a connection name. sql/mysqld.cc: Added variable mysqld_server_initialized so that other functions can test if server is fully initialized. Free all slave data in one place (fewer ifdef's) Removed not needed call to close_active_mi() Initialize slaves() later in startup to ensure that everthing is really initialized when slaves start. Made status variable slave_running multi-source safe sql/mysqld.h: Added mysqld_server_initialized sql/rpl_mi.cc: Store connection name and cmp_connection_name (only used for show full slave status) in Master_info Added code for Master_info_index, which handles storage of multi-master information Don't write the empty "" connection_name to multi-master.info file. This is handled by the original code. sql/rpl_mi.h: Added connection_name and Master_info_index sql/rpl_rli.cc: Added connection_name to relay log files. sql/rpl_rli.h: Fixed type of slave_skip_counter as we now access it directly in sys_vars.cc, so it must be uint sql/share/errmsg-utf8.txt: Added new error messages needed for multi-source Added multi-source name to error ER_MASTER_INFO and WARN_NO_MASTER_INFO sql/slave.cc: Moved things a bit around to make it easier to handle error conditions. Create a global master_info_index and add the "" connection to it Ensure that new Master_info doesn't fail. Don't call terminate_slave_threads(active_mi..) on end_slave() as this is now done automaticly when deleting master_info_index. Delete not needed function close_active_mi(). One can achive same thing by calling end_slave(). Added support for SHOW FULL SLAVE STATUS (show status for all master connections with connection_name as first column) sql/slave.h: Added new prototypes sql/sql_base.cc: More DBUG_PRINT sql/sql_class.cc: Reset thd->connection_name and thd-->default_master_connection sql/sql_class.h: Added thd->connection_name and thd-->default_master_connection Added slave_skip_count to variables to make changing the @@sql_slave_skip_count variable thread safe sql/sql_const.h: Added MAX_CONNECTION_NAME sql/sql_lex.cc: Reset 'lex->verbose' (to simplify some sql_yacc.yy code) sql/sql_lex.h: Added connection_name sql/sql_parse.cc: Added support for connection_name to all SLAVE commands. - Instead of using active_mi, we now get the current Master_info from master_info_index. - Create new replication threads with CHANGE MASTER - Added support for show_all_master_info() sql/sql_reload.cc: Made reset/full slave use master_info_index->get_master_info() instead of active_mi. If one uses 'RESET SLAVE "connection_name" all' the connection is removed from master_info_index. sql/sql_repl.cc: sql_slave_skip_counter is moved to thd->variables to make it thread safe and fix some bugs with it Add connection name to relay log files. Added connection name to errors. Added some logging for multi-master if log_warnings > 1 stop_slave(): - Don't check if thd is set. It's guaranteed to always be set. change_master(): - Check for duplicate connection names in change_master() - Check for wrong arguments first in file (to simplify error handling) - Register new connections in master_info_index sql/sql_yacc.yy: Added optional connection_name to a all relevant master/slave commands sql/strfunc.cc: my_global.h shoud always be included first. sql/sys_vars.cc: Added variable default_master_connection Made variable sql_slave_skip_counter multi-source safe sql/sys_vars.h: Added Sys_var_session_lexstring (needed for default_master_connection) Added Sys_var_multi_source_uint (needed for sql_slave_skip_counter).
2012-09-28 01:06:56 +02:00
--echo #
--echo # Check error handling
--echo #
--error WARN_NO_MASTER_INFO
show slave 'qqq' status;
--error WARN_NO_MASTER_INFO
show slave 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc' status;
--error ER_WRONG_ARGUMENTS
show slave 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbcccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc' status;
--error ER_WRONG_ARGUMENTS
change master 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbcccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc' to master_host='dummy';
--error WARN_NO_MASTER_INFO
start slave 'qqq';
--error WARN_NO_MASTER_INFO
stop slave 'qqq';
--error WARN_NO_MASTER_INFO
slave 'qqq' start;
--error WARN_NO_MASTER_INFO
slave 'qqq' stop;
--error WARN_NO_MASTER_INFO
flush slave 'qqq';
--error WARN_NO_MASTER_INFO
reset slave 'qqq';
select master_pos_wait('master-bin.999999',0,2,'qqq');
select master_pos_wait('master-bin.999999',0,2,'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbcccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc');
save_master_pos;
connection slave;
sync_with_master 0,'';
sync_with_master 0 ,'';
sync_with_master 0, '';
--echo #
--echo # checking usage of default_master_connection;
--echo #
select @@default_master_connection;
--error 1238
select @@global.default_master_connection;
--error 1228
set @@global.default_master_connection='qqq';
--error 1231
set @@default_master_connection='aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbcccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc';
select @@default_master_connection;
set @@default_master_connection='qqq';
select @@default_master_connection;
show variables like "default_master_connection";
--error WARN_NO_MASTER_INFO
show slave status;
select master_pos_wait('master-bin.999999',0,2);
set @@default_master_connection='';
select master_pos_wait('master-bin.999999',0,2);
set @@default_master_connection='';
--echo #
--echo # checking variables
--echo #
show status like "Slave_running";
set @@default_master_connection='qqq';
show status like "Slave_running";
set @@default_master_connection='';
--source include/rpl_end.inc
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