Cleaned up ChangeLog entries.

Using @code{HAVING} on an empty table could produce one result row when

it shouldn't.

@item

Fixed that the @strong{MySQL} RPM is not depending on perl5 anymore.

Fixed that the @strong{MySQL} RPM is not dependant on perl5 anymore.

@item

Fixed some problems with @code{HEAP} tables on windows.

Fixed some problems with @code{HEAP} tables on Windows.

@item

@code{SHOW TABLE STATUS} didn't show correct average row length for tables

bigger than 4G.

@item

@code{CHECK TABLE .. EXTENED} didn't check row links for fixed size tables.

@code{CHECK TABLE ... EXTENDED} didn't check row links for fixed size tables.

@item

Added option @code{MEDIUM} to @code{CHECK TABLE}.

@item

Added usage of @code{getrlimit()} on Linux to get @code{-O

--open-files-limit=#} to work on Linux.

@item

Added new mysqld variable: bdb_version.

Added new @code{mysqld} variable: @code{bdb_version}.

@item

Fixed bug when using expression of type

@code{SELECT ... FROM t1 left join t2 on (t1.a=t2.a) WHERE t1.a=t2.a}. In this

@code{SELECT ... FROM t1 LEFT JOIN t2 ON (t1.a=t2.a) WHERE t1.a=t2.a}. In this

case the test in the @code{WHERE} clause was wrongly optimized away.

@item

Fixed bug in @code{MyISAM} when deleting keys with possible @code{NULL}

Fixed a problem with replication when the binary log file went over 2G

on 32 bit systems.

@item

@code{LOCK TABLES} will now automaticly start a new transaction.

@code{LOCK TABLES} will now automatically starts a new transaction.

@item

Changed BDB tables to not use internal subtransactions and reuse open files to

get more speed.

Added option @code{--safe-show-databases}.

@item

Added @code{have_bdb}, @code{have_gemini}, @code{have_innobase},

@code{have_raid} and @code{have_ssl} to @code{SHOW VARIABLES} to make it

@code{have_raid}, and @code{have_ssl} to @code{SHOW VARIABLES} to make it

easy to test for supported extensions.

@item

Added option @code{open-files-limit} to @code{mysqld}.

Fixed bug with @code{--skip-networking} on Debian Linux.

@item

Fixed problem that some temporary files where reported as having the

name @code{UNOPENED} in error messages.

name @file{UNOPENED} in error messages.

@item

Fixed bug when running two simultaneous @code{SHOW LOGS} queries.

@end itemize

@item

Fixed bug in @code{REPLACE} with BDB tables.

@item

@code{LPAD()} and @code{RPAD()} will shorten the result string if it's longer

than the length argument.

@code{LPAD()} and @code{RPAD()} will truncate the result string if it's longer

than the @code{length} argument.

@item

Added @code{SHOW LOGS} command.

@item

this case @strong{MySQL} could try to update a record that didn't match

the whole @code{WHERE} part.

@item

Changed drop table to first drop the tables and then the @code{.frm} file.

Changed drop table to first drop the tables and then the @file{.frm} file.

@item

Fixed a bug in the hostname cache which caused @code{mysqld} to report the

hostname as @code{''} in some error messages.

@item

Renamed variable @code{bdb_lock_max} to @code{bdb_max_lock}.

@item

Added support for @code{auto_increment} on sub fields for BDB tables.

Added support for @code{auto_increment} on sub-fields for BDB tables.

@item

Added @code{ANALYZE} of BDB tables.

@item

Store in BDB tables the number of rows; This helps to optimize queries

In BDB tables, we now store the number of rows; This helps to optimize queries

when we need an approximation of the number of rows.

@item

If we get an error in a multi-row statement, we now only rollback the

@item

@code{SHOW KEYS} now shows whether or not key is @code{FULLTEXT}.

@item

New script @code{mysqld_multi}. @xref{mysqld_multi}.

New script @file{mysqld_multi}. @xref{mysqld_multi}.

@item

Added new script, @file{mysql-multi.server.sh}.  Thanks to

Tim Bunce @email{Tim.Bunce@@ig.co.uk} for modifying @file{mysql.server} to

Applied patches for OS/2 by @code{Yuri Dario}.

@item

@code{FLUSH TABLES table_name} didn't always flush the index tree

properly to disk.

to disk properly.

@item

@code{--bootstrap} is now run in a separate thread. This fixes the problem

that @code{mysql_install_db} core dumped on some Linux machines.

@code{--bootstrap} is now run in a separate thread. This fixes a problem

that caused @code{mysql_install_db} to core dump on some Linux machines.

@item

Changed @code{mi_create()} to use less stack.

Changed @code{mi_create()} to use less stack space.

@item

Fixed bug with optimizer trying to over-optimize @code{MATCH} when used

with @code{UNIQUE} key.

Fixed a major performance bug in the table locking code when one

constantly had a LOT of @code{SELECT}, @code{UPDATE} and @code{INSERT}

statements running. The symptom was that the @code{UPDATE} and

@code{INSERT} queries was locked a long time while new @code{SELECT}

statements where executed before the updates.

@code{INSERT} queries were locked for a long time while new @code{SELECT}

statements were executed before the updates.

@item

When reading options_files with @code{mysql_options()} the

When reading @code{options_files} with @code{mysql_options()} the

@code{return-found-rows} option was ignored.

@item

One can now specify @code{interactive-timeout} in the option file that

@item

Added to the slow query log the time and the user name for each logged

query. If you are using @code{--log-long-format} then also queries that

are not using indexes are logged, even the query takes less than

do not use an index are logged, even if the query takes less than

@code{long_query_time} seconds.

@item

Fixed a problem in @code{LEFT JOIN} which caused all columns in a reference

@item

The option @code{--skip-networking} now works properly on NT.

@item

Fixed long outstanding bug in the @code{ISAM} tables when a row with a length

Fixed a long outstanding bug in the @code{ISAM} tables when a row with a length

of more than 65K was shortened by a single byte.

@item

Fixed bug in @code{MyISAM} when running multiple updating processes on

Fixed a bug in @code{MyISAM} when running multiple updating processes on

the same table.

@item

Allow one to use @code{FLUSH TABLE tablename}.

@item

Added @code{--replicate-ignore-table}, @code{--replicate-do-table},

 @code{--replicate-wild-ignore-table}, @code{--replicate-wild-do-table}

 @code{--replicate-wild-ignore-table}, @code{--replicate-wild-do-table}.

@item

Changed all log files to use our own @code{IO_CACHE} mechanism instead of

@code{FILE} to avoid OS problems when there are many files open.

@code{timeout} seconds.

@item

@code{SLAVE START} did not work if you started with

@code{--skip-slave-start} and had not explicitly run @code{CHANGE

MASTER TO}.

@code{--skip-slave-start} and had not explicitly run @code{CHANGE MASTER TO}.

@item

Fixed the output of @code{SHOW MASTER STATUS} to be consistent with

@code{SHOW SLAVE STATUS}. (It now has no directory in the log name.)

@item

Fixed several coredumps in out-of-memory conditions.

@item

@code{SHOW SLAVE STATUS} was using an unititialized mutex if the slave had

@code{SHOW SLAVE STATUS} was using an uninitialized mutex if the slave had

not been started yet.

@item

Fixed bug in @code{ELT()} and @code{MAKE_SET()} when the query used

@appendixsubsec Changes in release 3.23.25

@itemize @bullet

@item

Fixed that databasename works as second argument to @code{mysqlhotcopy}.

Fixed that @code{databasename} works as second argument to @code{mysqlhotcopy}.

@item

@code{UMASK} and @code{UMASK_DIR} can now be specified in octal.

@item

when @code{key_column} could contain @code{NULL} values.

@item

Fixed problem with 8-bit characters as separators in @code{LOAD DATA INFILE}.

@item

@end itemize

@node News-3.23.8, News-3.23.7, News-3.23.9, News-3.23.x

@appendixsubsec Changes in release 3.23.3

@itemize @bullet

@item

Added patches for MIT-pthreads on NetBSD.

@item

Fixed range bug in MyISAM.

@appendixsubsec Changes in release 3.23.0

@itemize @bullet

@item

A new table handler library (@code{MyISAM}) with a lot of new features.

@xref{MyISAM}.

@item