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- Character set code & tests from Alexander Barkov
- Integration with ALTER TABLE, REPAIR and open_table from Monty
The problem was that MySQL 5.6 added some croatian and vitanamese character set collations that are incompatible with MariaDB.
The fix is to move the MariaDB conflicting collation numbers out of the region that MySQL is likely to use.
mysql_upgrade, REPAIR TABLE or ALTER TABLE will fix the collations.
If one tries to access and old incompatible table, one will get the error "Table upgrade required...."
After this patch, MariaDB supports all the MySQL character set collations and the old MariaDB croatian collations, which are closer to the latest standard than the MySQL versions.
New character sets:
ucs2_croatian_mysql561_uca_ci
utf8_croatian_mysql561_uca_ci
utf16_croatian_mysql561_uca_ci
utf32_croatian_mysql561_uca_ci
utf8mb4_croatian_mysql561_uca_ci
Other things:
- Fixed some compiler warnings
- mysql_upgrade prints information about repaired tables.
- Increased version number
VERSION:
Increased VERSION number
client/mysqlcheck.c:
Print repaired table name when using --verbose
include/m_ctype.h:
Add new MariaDB collation regions that are not likely to conflict with MySQL
include/my_base.h:
Added flag to detect if table was opened for ALTER TABLE
mysql-test/r/ctype_ldml.result:
Updated result
mysql-test/r/ctype_uca.result:
Updated result
mysql-test/r/ctype_upgrade.result:
Updated result
mysql-test/r/ctype_utf16_uca.result:
Updated result
mysql-test/r/ctype_utf32_uca.result:
Updated result
mysql-test/r/ctype_utf8mb4_uca.result:
Updated result
mysql-test/std_data/ctype_upgrade:
Test files for testing upgrading of conflicting collations
mysql-test/suite/engines/funcs/r/db_alter_collate_ascii.result:
New collations added
mysql-test/suite/engines/funcs/r/db_alter_collate_utf8.result:
New collations added
mysql-test/suite/innodb/r/innodb_ctype_ldml.result:
Updated test result
mysql-test/suite/innodb/t/innodb_ctype_ldml.test:
Updated test result
mysql-test/suite/plugins/r/show_all_plugins.result:
Updated version number
mysql-test/suite/roles/create_and_drop_role_invalid_user_table.result:
Updated version number
mysql-test/t/ctype_ldml.test:
Updated test
mysql-test/t/ctype_uca.test:
Testing of new collations
mysql-test/t/ctype_upgrade.test:
Testing of upgrading tables with old collations
The test ensures that:
- We will get an error if we try to open a table with old collations.
- CHECK TABLE will detect that the table needs to be upgraded.
- ALTER TABLE and REPAIR will fix the table.
- mysql_upgrade works as expected
mysql-test/t/ctype_utf16_uca.test:
Testing of new collations
mysql-test/t/ctype_utf32_uca.test:
Testing of new collations
mysql-test/t/ctype_utf8mb4_uca.test:
Testing of new collations
mysys/charset-def.c:
Added new character sets
mysys/charset.c:
Always give an error, if requested, if a character set didn't exist
sql/handler.cc:
- Added upgrade_collation() to check if collation is compatible with old version
- check_collation_compatibility() checks if we are using an old collation from MariaDB 5.5 or MySQL 5.6
- ha_check_for_upgrade() returns HA_ADMIN_NEEDS_ALTER if we have an incompatible collation
sql/handler.h:
Added new prototypes
sql/sql_table.cc:
- Mark that tables are opened for ALTER TABLE
- If table needs to be upgraded, ensure we are not using online alter table.
sql/table.cc:
- If we are using an old incompatible collation, change to use the new one and mark table as incompatible.
- Give an error if we try to open an incompatible table.
sql/table.h:
Added error that table needs to be rebuild
storage/connect/ha_connect.cc:
Fixed compiler warning
strings/ctype-uca.c:
New character sets
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