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MariaDB server is a community developed fork of MySQL server. Started by core members of the original MySQL team, MariaDB actively works with outside developers to deliver the most featureful, stable, and sanely licensed open SQL server in the industry.
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When replicating from 4.1 master to 5.0 slave START SLAVE UNTIL can stop too late. The necessary in calculating of the beginning of an event the event's length did not correspond to the master's genuine information at the event's execution time. That piece of info was changed at the event's relay-logging due to binlog_version<4 event conversion by IO thread. Fixed with storing the master genuine Query_log_event size into a new status variable at relay-logging of the event. The stored info is extacted at the event execution and participate further to caclulate the correct start position of the event in the until-pos stopping routine. The new status variable's algorithm will be only active when the event comes from the master of version < 5.0 (binlog_version < 4). mysql-test/r/rpl_until.result: results changed. mysql-test/std_data/bug47142_master-bin.000001: a binlog from 4.1 master to replace one of the running 5.x master is added as part of Bug #47142 regression test. mysql-test/t/rpl_until.test: Regression test for Bug #47142 is added. sql/log_event.cc: Storing and extracting the master's genuine size of the event from the status var of the event packet header. The binlog_version<4 query-log-event is a. converted into the modern binlog_version==4 to store the original size of the event into a new status var; the converted representation goes into the relay log. b. the converted event is read out and the stored size is engaged in the start pos calculation. The new status is active only for events that IO thread instantiates for the sake of the conversion. sql/log_event.h: Incrementing the max szie of MAX_SIZE_LOG_EVENT_STATUS because of the new status var; Defining the new status variable to hold the master's genuine event size; Augmenting the Query_log_event with a new member to hold a value to store/extact from the status var of the event packet header. |
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| BUILD | ||
| client | ||
| cmd-line-utils | ||
| config/ac-macros | ||
| dbug | ||
| Docs | ||
| extra | ||
| heap | ||
| include | ||
| innobase | ||
| libmysql | ||
| libmysql_r | ||
| libmysqld | ||
| man | ||
| myisam | ||
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| mysql-test | ||
| mysys | ||
| ndb | ||
| netware | ||
| os2 | ||
| pstack | ||
| regex | ||
| scripts | ||
| server-tools | ||
| sql | ||
| sql-bench | ||
| sql-common | ||
| SSL | ||
| strings | ||
| support-files | ||
| tests | ||
| tools | ||
| VC++Files | ||
| vio | ||
| win | ||
| zlib | ||
| .bzrignore | ||
| .cvsignore | ||
| CMakeLists.txt | ||
| configure.in | ||
| COPYING | ||
| EXCEPTIONS-CLIENT | ||
| INSTALL-SOURCE | ||
| INSTALL-WIN-SOURCE | ||
| Makefile.am | ||
| README | ||
This is a release of MySQL, a dual-license SQL database server. MySQL is brought to you by the MySQL team at MySQL AB. License information can be found in these files: - For GPL (free) distributions, see the COPYING file and the EXCEPTIONS-CLIENT file. - For commercial distributions, see the LICENSE.mysql file. For further information about MySQL or additional documentation, see: - The latest information about MySQL: http://www.mysql.com - The current MySQL documentation: http://dev.mysql.com/doc Some manual sections of special interest: - If you are migrating from an older version of MySQL, please read the "Upgrading from..." section first! - To see what MySQL can do, take a look at the features section. - For installation instructions, see the Installing and Upgrading chapter. - For the new features/bugfix history, see the Change History appendix. - For the currently known bugs/misfeatures (known errors) see the Problems and Common Errors appendix. - For a list of developers and other contributors, see the Credits appendix. A local copy of the MySQL Reference Manual can be found in the Docs directory in GNU Info format. You can also browse the manual online or download it in any of several formats at the URL given earlier in this file. ************************************************************ IMPORTANT: Bug or error reports should be sent to http://bugs.mysql.com.