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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 a char-field > 128 exists
CHECK TABLE (non-QUICK) and any form of repair table did wrongly rate
records as corrupted under the following conditions:
1. The table has dynamic row format and
2. it has a CHAR like column > 127 bytes (but not VARCHAR)
(for multi-byte character sets this could be less than 127
characters) and
3. it has records with > 127 bytes significant length in that column
(a byte beyond byte position 127 must be non-space).
Affected were the statements CHECK TABLE, REPAIR TABLE, OPTIMIZE TABLE,
ALTER TABLE. CHECK TABLE reported and marked the table as crashed if any
record was present that fulfilled condition 3. The other statements
deleted these records.
The problem was a signed/unsigned compare in MyISAM code. A
char to uchar change became necessary after the big byte to uchar
change.
mysql-test/r/myisam.result:
Bug#33222 - myisam-table drops rows when column is added
and a char-field > 128 exists
Added test result.
mysql-test/t/myisam.test:
Bug#33222 - myisam-table drops rows when column is added
and a char-field > 128 exists
Added test.
storage/myisam/mi_dynrec.c:
Bug#33222 - myisam-table drops rows when column is added
and a char-field > 128 exists
char -> uchar became necessary after big byte -> uchar change.
Fixed some small coding style violations near the changes.
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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.