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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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using a trig in SP For all 5.0 and up to 5.1.12 exclusive, when a stored routine or trigger caused an INSERT into an AUTO_INCREMENT column, the generated AUTO_INCREMENT value should not be written into the binary log, which means if a statement does not generate AUTO_INCREMENT value itself, there will be no Intvar event (SET INSERT_ID) associated with it even if one of the stored routine or trigger caused generation of such a value. And meanwhile, when executing a stored routine or trigger, it would ignore the INSERT_ID value even if there is a INSERT_ID value available set by a SET INSERT_ID statement. Starting from MySQL 5.1.12, the generated AUTO_INCREMENT value is written into the binary log, and the value will be used if available when executing the stored routine or trigger. Prior fix of this bug in MySQL 5.0 and prior MySQL 5.1.12 (referenced as the buggy versions in the text below), when a statement that generates AUTO_INCREMENT value by the top statement was executed in the body of a SP, all statements in the SP after this statement would be treated as if they had generated AUTO_INCREMENT by the top statement. When a statement that did not generate AUTO_INCREMENT value by the top statement but by a function/trigger called by it, an erroneous Intvar event would be associated with the statement, this erroneous INSERT_ID value wouldn't cause problem when replicating between masters and slaves of 5.0.x or prior 5.1.12, because the erroneous INSERT_ID value was not used when executing functions/triggers. But when replicating from buggy versions to 5.1.12 or newer, which will use the INSERT_ID value in functions/triggers, the erroneous value will be used, which would cause duplicate entry error and cause the slave to stop. The patch for 5.1 fixed it to ignore the SET INSERT_ID value when executing functions/triggers if it is replicating from a master of buggy versions, another patch for 5.0 fixed it not to generate the erroneous Intvar event. |
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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.