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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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8a7bc05288
(4.1 version, with post-review fixes) The fix for another Bug (6439) limited FROM_UNIXTIME() to TIMESTAMP_MAX_VALUE which is 2145916799 or 2037-12-01 23:59:59 GMT, however unix timestamp in general is not considered to be limited by this value. All dates up to power(2,31)-1 are valid. This patch extends allowed TIMESTAMP range so, that max TIMESTAMP value is power(2,31)-1. It also corrects FROM_UNIXTIME() and UNIX_TIMESTAMP() functions, so that max allowed UNIX_TIMESTAMP() is power(2,31)-1. FROM_UNIXTIME() is fixed accordingly to allow conversion of dates up to 2038-01-19 03:14:07 UTC. The patch also fixes CONVERT_TZ() function to allow extended range of dates. The main problem solved in the patch is possible overflows of variables, used in broken-time representation to time_t conversion (required for UNIX_TIMESTAMP). acinclude.m4: Add new macro to check time_t range configure.in: Call the macro to check time_t range include/my_time.h: Move time-related defines to proper place. Add a function to perform a rough check if a TIMESTAMP value fits into the boundaries. Note: it is defined as "static inline", as otherwise libmysql won't compile (due to the way how gcc handles "inline" directive). mysql-test/r/func_time.result: Update test result mysql-test/r/timezone.result: Update test result mysql-test/r/timezone2.result: Update test result mysql-test/t/func_time.test: Add test for Bug#9191 and update test to be consistent with new TIMESTAMP boundaries mysql-test/t/timezone.test: Update old tests to be consistent with new TIMESTAMP boundaries mysql-test/t/timezone2.test: Update tests for convert_tz to be consistent with new TIMESTAMP boundaries sql/item_timefunc.cc: Fix convert_tz to allow dates from the new (extended) TIMESTAMP range sql/mysql_priv.h: Move time handling defaults to my_time.h sql-common/my_time.c: Because of increased TIMESTAMP_MAX_VALUE overflows in my_system_gmt_sec() became possible. Here we make it safe against the overflows by stepping back from the boundary dates which are likely to trigger them. sql/time.cc: Update TIME_to_timestamp to allow conversion of extended date range sql/tztime.cc: Fix new (4.1) implementation of broken-down time representation to time_t conversion routine to avoid overflows during conversion of boundary dates mysql-test/r/timezone4.result: New BitKeeper file ``mysql-test/r/timezone4.result'' mysql-test/t/timezone4-master.opt: New BitKeeper file ``mysql-test/t/timezone4-master.opt'' mysql-test/t/timezone4.test: New BitKeeper file ``mysql-test/t/timezone4.test'' |
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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.