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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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The problem was a code generation bug: cpop instructions were not generated when using ITERATE back to an outer block from a context with a declared cursor; this would make it push a new cursor without popping in-between, eventually overrunning the cursor stack with a crash as the result. Fixed the calculation of how many cursors to pop (in sp_pcontext.cc: diff_cursors()), and also corrected diff_cursors() and diff_handlers() to when doing a "leave"; don't include the last context we're leaving (we are then jumping to the appropriate pop instructions). mysql-test/r/sp.result: Updated result for new test case (BUG#16887) mysql-test/t/sp.test: New test case for BUG#16887 sql/sp_pcontext.cc: Added new parameter to sp_pcontext::diff_handlers() and diff_cursors(): They can either include (for iterate jumps) or exclude (for leave jumps) the outer context. Fixed bug in diff_cursors(); it was just plain wrong and would return zero in some situations when it shouldn't. sql/sp_pcontext.h: Added new parameter to sp_pcontext::diff_handlers() and diff_cursors(): They can either include (for iterate jumps) or exclude (for leave jumps) the outer context. sql/sql_yacc.yy: Added parameter to diff_handlers/diff_cursors depending on if it's an iterate or leave jump. For "leave", we don't have to include the last context we're leaving since we will jump to the appropriate pop instructions. |
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| BitKeeper | ||
| BUILD | ||
| client | ||
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| config/ac-macros | ||
| dbug | ||
| Docs | ||
| extra | ||
| heap | ||
| include | ||
| innobase | ||
| libmysql | ||
| libmysql_r | ||
| libmysqld | ||
| man | ||
| myisam | ||
| myisammrg | ||
| 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 | ||
| zlib | ||
| .bzrignore | ||
| .cvsignore | ||
| configure.in | ||
| COPYING | ||
| 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. - For commercial distributions, see the MySQLEULA.txt 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 Installation chapter. - For future plans, see the TODO appendix. - For the new features/bugfix history, see the News appendix. - For the currently known bugs/misfeatures (known errors) see the problems 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.