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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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and its duplicate BUG#19057 "Test 'rpl_row_func003' fails on SuSE SLES9 x86". It was an assertion failure, only in debug builds, not present in released versions (nothing to document). It happened when doing SHOW TABLE STATUS on an InnoDB table having an auto_increment column, right after creating the table. The test which would have caught this problem was disabled in mid-April for another reason (how much I like tests disabled for months...). mysql-test/t/disabled.def: test now passes (and serves as the test for this bugfix) sql/ha_innodb.cc: Before a val_() calls on a Field object, if that field was not marked for read, we need to mark it. This is explained here: ChangeSet 1.2119.601.1 2006/06/04 18:52:22 monty@mysql.com quoting the changeset's comment: - If a handler needs to call Field->val() or Field->store() on columns that are not used in the query, one should install a temporary all-columns-used map while doing so. For this, we provide the following functions: my_bitmap_map *old_map= dbug_tmp_use_all_columns(table, table->read_set); field->val(); dbug_tmp_restore_column_map(table->read_set, old_map); and similar for the write map: my_bitmap_map *old_map= dbug_tmp_use_all_columns(table, table->write_set); field->val(); dbug_tmp_restore_column_map(table->write_set, old_map); If this is not done, you will sooner or later hit a DBUG_ASSERT in the field store() / val() functions. (For not DBUG binaries, the dbug_tmp_restore_column_map() and dbug_tmp_restore_column_map() are inline dummy functions and should be optimized away be the compiler). Note that I verified that the bug didn't exist in non-debug builds. |
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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. - 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.