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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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SP with local variables with non-ASCII names crashed the server. The server replaces SP local variable names with NAME_CONST calls when putting statements into the binary log. It used UTF8-encoded item names as variable names for the replacement inside NAME_CONST calls. However, statement string may be encoded by any known character set by the SET NAMES statement. The server used byte length of UTF8-encoded names to increment the position in the query string that led to array index overrun. sql/item.cc: Fixed bug #30120. The Item_splocal class constructor has been modified to accept new parameter `len_in_q': the byte length of variable name in the query string. sql/item.h: Fixed bug #30120. The Item_splocal class has been modified to keep new field `len_in_query': the byte length of variable name in the query string. sql/sp_head.cc: Fixed bug #30120. The subst_spvars function has been modified to increment position in the query string by the lengths of not encoded variable names instead of byte length of names encoded to UTF-8. sql/sql_yacc.yy: Fixed bug #30120. The simple_ident rule action has been modified to pass the byte length of the local variable name token to the Item_splocal object constructor. mysql-test/t/sp.test: Updated test case for bug #30120. mysql-test/r/sp.result: Updated test case for bug #30120. |
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| 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.