--xml option to
mysqldump for producing XML output.
Changed to use
autoconf 2.52 (from
Fixed bug in complicated join with
Added internal safety checks for
InnoDB variables were always shown
SHOW VARIABLES as
OFF on high-byte-first systems (like
Fixed problem with one thread using an
InnoDB table and another thread doing an
ALTER TABLE on the same table. Before
mysqld could crash with an
assertion failure in
InnoDB SQL optimizer to favor
index searches more often over table scans.
Fixed a performance problem with
tables when several large
are run concurrently on a multiprocessor Linux computer.
SELECT queries will now
also generally run faster on all platforms.
If MySQL binlogging is used,
prints after crash recovery the latest MySQL binlog name and
InnoDB was able to recover to.
This is useful, for example, when resynchronizing a master
and a slave database in replication.
Added better error messages to help in installation problems
It is now possible to recover MySQL temporary tables that
have become orphaned inside the
InnoDB now prevents a
KEY declaration where the signedness is not the
same in the referencing and referenced integer columns.
SHOW CREATE TABLE or
SHOW TABLE STATUS could cause memory
corruption and make
Especially at risk was
it frequently calls
SHOW CREATE TABLE.
If inserts to several tables containing an
AUTO_INCREMENT column were wrapped inside
InnoDB asserted in
In 3.23.47 we allowed several
UNIQUE secondary index for an
InnoDB table. But
TABLE was not relaxed: it reports the table as
CHECK TABLE no longer complains
in this situation.
SHOW GRANTS now shows
REFERENCES instead of
This is a translation of the MySQL Reference Manual that can be found at dev.mysql.com. The original Reference Manual is in English, and this translation is not necessarily as up to date as the English version.