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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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field='const1' AND field='const2' in some cases
Building multiple equality predicates containing
a constant which is compared as a datetime (with a field)
we should take this fact into account and compare the
constant with another possible constatns as datetimes
as well.
E.g. for the
SELECT ... WHERE a='2001-01-01' AND a='2001-01-01 00:00:00'
we should compare '2001-01-01' with '2001-01-01 00:00:00' as
datetimes but not as strings.
mysql-test/r/select.result:
Fix for bug#49199: Optimizer handles incorrectly:
field='const1' AND field='const2' in some cases
- test result.
mysql-test/t/select.test:
Fix for bug#49199: Optimizer handles incorrectly:
field='const1' AND field='const2' in some cases
- test case.
sql/item_cmpfunc.cc:
Fix for bug#49199: Optimizer handles incorrectly:
field='const1' AND field='const2' in some cases
- adding a constant to Item_equal compare it as
a datetime value with stored one if there's a
date[time] field in a equality predicate.
sql/item_cmpfunc.h:
Fix for bug#49199: Optimizer handles incorrectly:
field='const1' AND field='const2' in some cases
- adding a constant to Item_equal compare it as
a datetime value with stored one if there's a
date[time] field in a equality predicate.
sql/sql_select.cc:
Fix for bug#49199: Optimizer handles incorrectly:
field='const1' AND field='const2' in some cases
- adding a constant to Item_equal compare it as
a datetime value with stored one if there's a
date[time] field in a equality predicate.
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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.