MySQL Reference Manual for version 4.0.18.
C.5.34 Changes in release 3.22.2
-
Searching on multiple constant keys that matched more than 30% of the rows
didn't always use the best possible key.
-
New functions
<<
, >>
, RPAD()
and LPAD()
.
-
You can now save default options (like passwords) in a configuration file
(`my.cnf').
-
Lots of small changes to get
ORDER BY
to work when no records are found
when using fields that are not in GROUP BY
(MySQL extension).
-
Added
--chroot
option to mysqld
, to start mysqld
in
a chroot environment (by Nikki Chumakov nikkic@cityline.ru).
-
Trailing spaces are now ignored when comparing case-sensitive strings;
this should fix some problems with ODBC and flag 512!
-
Fixed a core dump bug in the range optimizer.
-
Added
--one-thread
option to mysqld
, for debugging with
LinuxThreads (or glibc
). (This replaces the -T32
flag)
-
Added
DROP TABLE IF EXISTS
to prevent an error from occurring if the
table doesn't exist.
-
IF
and EXISTS
are now reserved words (they would have to
be sooner or later).
-
Added lots of new options to
mysqldump
.
-
Server error messages are now in `mysqld_error.h'.
-
The server/client protocol now supports compression.
-
All bug fixes from MySQL Version 3.21.32.
This document was generated
by rdg (Feb 25 2004)
using texi2html