Commit 1efcc3e3 authored by monty@hundin.mysql.fi's avatar monty@hundin.mysql.fi

Updated changelog of 3.23.48 with InnoDB changes.

parent cf39ab2f
......@@ -46833,7 +46833,7 @@ users use this code as the rest of the code and because of this we are
not yet 100% confident in this code.
@menu
* News-3.23.49::
* News-3.23.49:: Changes in release 3.23.49
* News-3.23.48:: Changes in release 3.23.48
* News-3.23.47:: Changes in release 3.23.47
* News-3.23.46:: Changes in release 3.23.46
......@@ -46908,10 +46908,41 @@ Some InnoDB variables was always shown in @code{SHOW VARIABLES} as
@code{OFF} on high-byte-first systems (like sparc).
@item
Fixed problem with one thread using an InnoDB table and another
thread doing an @code{ALTER TABLE} on the same table.
thread doing an @code{ALTER TABLE} on the same table. Before that,
mysqld could crash with an assertion failure in row0row.c, line 474.
@item
If inserts to several tables containing an auto-inc column are wrapped
inside one @code{LOCK TABLES}, InnoDB asserted in @code{lock0lock.c}.
Tuned the InnoDB SQL optimizer to favor more often index searches
over table scans.
@item
Fixed a performance problem with InnoDB tables when several large SELECT
queries are run concurrently on a multiprocessor Linux computer. Large
CPU-bound SELECT queries will now also generally run faster on all
platforms.
@item
If MySQL binlogging is used, InnoDB now prints after crash recovery the
latest MySQL binlog name and the offset InnoDB was able to recover
to. This is useful, for example, when resynchronizing a master and a
slave database in replication.
@item
Added better error messages to help in installation problems of InnoDB tables.
@item
One can now recover also MySQL temporary tables which have become
orphaned inside the InnoDB tablespace.
@item
InnoDB now prevents a @code{FOREIGN KEY} declaration where the signedness
is not the same in the referencing and referenced integer columns.
@item
Calling @code{SHOW CREATE TABLE} or @code{SHOW TABLE STATUS} could cause
memory corruption and make mysqld to crash. Especially at risk was
@code{mysqldump}, because it calls frequently @code{SHOW CREATE TABLE}.
@item
If inserts to several tables containing an auto-inc column were wrapped
inside one @code{LOCK TABLES}, InnoDB asserted in lock0lock.c.
@item
In 3.23.47 we allowed several @code{NULLS} in a @code{UNIQUE} secondary
index for an InnoDB table. But @code{CHECK TABLE} was not relaxed: it
reports the table as corrupt. @code{CHECK TABLE} no longer complains in
this situation.
@item
@code{SHOW GRANTS} now shows @code{REFERENCES} instead of @code{REFERENCE}.
@end itemize
......@@ -1574,8 +1574,8 @@ int mysql_alter_table(THD *thd,char *new_db, char *new_name,
#endif
{
/*
Win32 and InnoDB can't rename an open table, so we must close
the original table at before doing the rename
Win32 and InnoDB can't drop a table that is in use, so we must
close all the original table at before doing the rename
*/
table_name=thd->strdup(table_name); // must be saved
if (close_cached_table(thd,table))
......
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